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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockAIO Radiator Mounting Screw Kit (24 pc)
UNC 6-32 mm radiator screws, washers, in 30mm + 35mm lengths for 25mm-thick rads.
Out of stockNylon Standoffs M3 Assortment (100 pc)
Nylon M3 male-female standoffs in 5-25mm lengths for PCB + prototype builds.
1K Ohm Rotary Potentiometer Round Shaft 3 Pin Elcon
[Potentiometer] 1KΩ Rotary Potentiometer Round Shaft Elcon The 1KΩ Rotary Potentiometer Round Shaft Elcon is a reliable 3-pin linear rotary potentiometer designed for adjusting electrical parameters such as voltage, current, brightness, motor speed, and other control functions in electronic circuits. By rotating the shaft, the resistance can be smoothly adjusted across its available range, making it suitable for a wide variety of DIY and electronic applications. With its compact 16mm body, 6mm round shaft, and through-hole mounting design, this potentiometer is easy to install on electronic PCBs and control panels. Its linear resistance characteristics make it suitable for applications such as LED brightness control, fan speed control, motor control, power supply adjustment, and general-purpose voltage control. ⭐ Key Features 1KΩ resistance value 3-pin rotary potentiometer Linear potentiometer Smooth rotary adjustment 6mm round shaft 10mm shaft length Compact 16mm body diameter Through-hole mounting Suitable for PCB and electronic circuits Ideal for voltage and resistance adjustment Suitable for DIY and electronic projects Elcon brand 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Resistance Value: 1KΩ Configuration: 3 Pin / Single Gang Tolerance: ±20% Shaft Type: Round Shaft Shaft Diameter: 6mm Shaft Length: 10mm Body Diameter / Width: 16mm Total Height: Approx. 25mm Mounting Type: Through Hole Operating Temperature: -40°C to +80°C Weight: Approx. 8g 🔧 Applications LED Brightness Control Fan Speed Control Motor Speed Control Voltage Adjustment Current Adjustment Power Supply Circuits Audio & Electronic Circuits Arduino Projects DIY Electronics Projects Electronic Prototyping 🛠️ How It Works A potentiometer is a variable resistor with three terminals. The two outer terminals are connected to the resistive track, while the center terminal acts as the wiper. Rotating the shaft changes the wiper position and therefore changes the resistance or output voltage in the circuit. 📦 Package Includes 1 × 1KΩ Rotary Potentiometer Round Shaft Elcon ⚠️ Note Product images are shown for illustrative purposes only and may differ slightly from the actual product. The 1KΩ value, tolerance, dimensions, and shaft length should be verified against the actual product batch before installation.
Copper Lug 25mm | 25 Sq mm Copper Terminal
[Battery Connector] 25 sq mm Pure Copper Ring Lug Cable Terminal The 25 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable cable connections in high-current electrical systems. Made from pure copper, this ring terminal provides excellent electrical conductivity and a strong mechanical connection. The ring-type terminal design allows the lug to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is widely suitable for battery packs, inverters, UPS systems, solar power installations, automotive wiring, and industrial electrical applications. Available in natural copper or tinned finish depending on the variant, the terminal provides reliable performance for power distribution and high-current cable connections. ⭐ Key Features Made from pure copper Designed for 25 sq mm cable Ring lug terminal design Excellent electrical conductivity Strong and reliable mechanical connection Suitable for high-current applications Easy bolt and stud mounting Available in natural copper / tinned finish Suitable for battery and power wiring 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 25 sq mm Terminal Type: Ring Lug Finish: Natural Copper / Tinned, depending on variant Connection Type: Bolt / Stud Mount Application: High-Current Electrical Connections 🔧 Applications Lithium Battery Packs Lead-Acid Batteries LiFePO₄ Battery Systems Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 25 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Note Select the correct lug size according to your cable cross-section and mounting stud diameter. Use an appropriate crimping tool to achieve a secure connection. Ensure the cable is properly crimped before connecting to a high-current circuit. Finish may be natural copper or tinned copper depending on the selected variant.
18650 Lithium Battery Insulation For Nigative Pad 25 Pcs in one Sheet
[Insulation Paper] 18650 Lithium Battery Insulation For Nigative Pad This Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation is a cardboard paper for an 18650 battery insulator. Better protection to avoid short circuits on batteries.Easy peel-and-stick application. The Outer Ring Diameter is 17mm. The Thickness: is 0.25mm Battery Insulators Adhesive Paper Rings. Tags, 18650 Battery Insulator Ring Negative, 18650 Lithium Battery Insulation Ring For Negative Pad, Single Hole Electrical Insulating Adhesive Mat for Battery Cell Terminal Insulation. Tags, 18650, 18650 Battery Cover, Electrical Insulating Adhesive Mat, Lithium Battery Insulation Pad, 18650 Insulation Pad, 18650 21700 26650 32650 Adhesive corrugated paper, Battery Electrical Insulator Insulation Ring Adhesive For Negative Terminal. To buy an 18650 Lithium Battery: Click Here How to use.? Take off each insulation paper from the base paper. Put and stick upper hollow adhesive insulation paper on the top of the battery Negative. Put and stick lower solid adhesive insulation paper on the negative. Then, you can weld Ni tape or Ni-plated steel plate with positive, and negative to make the battery pack. Features: Easy to Install Heat-Resistant Design Compact and Lightweight Positive and Negative Terminal Insulation Features/Specs: Material: Barley Paper Compatibility: 18650/18500 Lithium Battery Ring Pad Use For Negative Terminal Outer Ring Diameter: 17 mm Thickness: 0.25 mm Applications: Electronic devices powered by 18650 battery cells Flashlights and portable lighting solutions DIY battery packs and configurations Power banks and battery-operated gadgets Custom battery projects and prototypes Package Includes: 1 x 18650 Lithium Battery Insulation Ring For Negative Pad Note: Product Images are shown for illustrative purposes only and may differ from the actual product
Insulation Filament Tape 25mm 50 meters
[Filament Tape] 🧵 Insulation Filament Tape 25mm × 50 Meter High Strength Reinforced Adhesive Tape High Tensile Strength • Strong Adhesive • Tear Resistant • Ideal for Electrical & Industrial Applications The Insulation Filament Tape (25mm × 50 Meter) is a premium-quality, filament-reinforced adhesive tape designed for applications requiring exceptional strength, durability, and reliable adhesion. Reinforced with cross-woven fiberglass filaments, this tape offers excellent tensile strength, making it ideal for bundling, securing, reinforcing, and insulating cables, cartons, pipes, and various industrial components. Its pressure-sensitive adhesive ensures a firm bond on a wide range of surfaces while maintaining excellent resistance to tearing, stretching, and wear. The tape is widely used in electrical work, packaging, logistics, manufacturing, automotive industries, and general repair applications. With a 25mm width and 50-meter roll length, this tape provides long-lasting performance for both professional and DIY use. ⭐ Features Premium quality filament-reinforced adhesive tape Strong pressure-sensitive adhesive High tensile strength for heavy-duty applications Cross-woven fiberglass reinforcement for extra durability Excellent tear and stretch resistance Reliable adhesion on multiple surfaces Suitable for electrical insulation and cable bundling Easy to apply and remove without splitting Ideal for industrial, commercial, and home use Long-lasting adhesive performance 📋 Technical Specifications Product Type: Filament Reinforced Adhesive Tape Tape Width: 25mm Tape Length: 50 Meter Tape Type: Cross Filament Reinforced Backing Material: Reinforced Fiberglass Filament Adhesive Type: Pressure Sensitive Color: Transparent / Clear (May vary by batch) Tear Resistance: High Tensile Strength: High Application Temperature: Suitable for general industrial use Application: Insulation, Bundling, Packaging, Reinforcement 🔧 Applications Suitable for: Electrical Insulation Cable Bundling Wire Harnessing Carton Sealing Heavy-Duty Packaging Shipping & Logistics Pipe Wrapping Industrial Assembly Appliance Manufacturing Automotive Wiring Warehouse Packaging Repair & Maintenance DIY Projects General Industrial Use 📦 Package Includes 1 × Insulation Filament Tape (25mm × 50 Meter) ⚠️ Note Image shown is for reference only. Product color or branding may vary depending on the manufacturing batch. Ensure the application surface is clean, dry, and free from dust or oil for maximum adhesion.
Kapton 25mm x 33m High Temperature Resistant Tape
[Kapton Tapes] Kapton tape is a polyimide film first developed by DuPont in the 1960s. It remains stable at an extremely wide range of temperatures from -269˚C to 260˚C and has been an industry-standard due to its excellent electrical, thermal, chemical and mechanical properties. This enables the film to withstand extreme temperatures, vibration, and other demanding environments. This Kapton 50mm x 33m High-Temperature Resistant Tape for 3D Printers is a polyester film tape with a high-temperature resistant adhesive. Primarily used to hold transfer sheets in place while sublimating onto a variety of items and hold the polymer plate on the heating platen in the hot foil stamping. Excellent heat & solvent resistance. Minimal shrinkage after baking and clean removal. Due to Kapton tape’s large range of temperature stability and electrical isolation ability, it is used during the manufacturing and final assembly of electronic components. It acts as a protective layer that isolates and prevents the electrostatic discharge of sensitive components, also protecting and restraining components during high temp applications and reflow soldering procedures. ABS and Kapton adhere extremely well to one another, making Kapton tape a perfect 3D printing bed surface layer. It is usually applied to a glass or aluminum bed surface, where extruded ABS filament adheres to the surface. Specification and Features: Material: Polyimide Spindle Type: Roll Tape Length: 33m TapeWidth: 25mm Colour: Metallic Brown Temperature Range: 200ºC High-quality product from a well-known brand Package Includes: 1 x Kapton 25mm x 33m High-Temperature Resistant Tape for 3D Printers Note: Product Images are shown for illustrative purposes only and may differ from the actual product
DC 3V-6V to 1000KV 1000000V Boost Step-up Power Module
[Step UP Buck Converter] Description Overview of this DC 3V-6V to 1000KV step up high voltage generator The DC 3.6V-6V To 1000KV Boost Step Up Power Module is a cutting edge high voltage generator designed for diverse applications. With a focus on safety and efficiency. This module easily transforms low input voltages of 3.6V to 6V into a powerful output up to 1000KV. Ideal for high-voltage experiments, education purposes, and prototype. It also provides a versatile solution for various electronic projects. Featuring advanced step-up DC conversion technology, this module ensures stable and reliable performance. Its compact design also make it perfect for use in a wide range of projects. The input range of 3V-6V offers flexibility, and the adjustable output allows users to fine-tune the voltage as needed. With a focus on user safety, the module includes built-in protective featur to prevent overloading and ensure efficient operation. This makes it an excellent choice for experimentation. And also enable users to observe and understand high-voltage principles while maintaining a reliable and secure environment. Elevate your projects with this versatile high-voltage generator, perfect for education institute, research lab. Features High Voltage Output for Varied Applications: The DC 3V-6V to 1000KV high voltage generator also contain a remarkable high voltage output. This capability opens the door to a wide range of experimental setups, scientific projects, and practical applications where such high voltage are important. Versatile Compatibility with Input Range: Operating easily within the input voltage range of 3.6V to 6V. This module offers versatility and compatibility with different power sources. This adaptability ensures its applicability across a diverse array of electronic projects. Compact and Space-Efficient Design: With dimensions 50mm x 30mm x 25mm, the module compact design provide easy integration into various electronic setups. Its space efficient form factor is ideal for projects with size constraints. Precision with Adjustable Output: The module provides users with the flexibility to fine-tune the output voltage according to specific project needs. This adjustability ensure precision in voltage control, catering to the needs of different applications. Enhanced Safety through Built-in Protection: This module prioritizes it by incorporating built in protection mechanism. These feature prevent over loading and ensure a secure and reliable high voltage generation experience. Specifications: Specification Value Input Voltage (V) 3.3V~5V DC Maximum Operating Current (A) 2 – 5 Max. Output Voltage 1000 KV Max. Output Current (A) 0.5 A Discharge Time 10s Color Black Length (mm) 8.8 Width (mm) 2.67 Height (mm) 2.3 Weight (gm) 45 Efficiency Up to 93% Main application of this DC 3V-6V to 1000KV step up high voltage generator High-Voltage Experiments and Demonstrations: This versatile DC 3V-6V to 1000KV Boost Step up Power Module is perfect for safely conduct a wide range of high voltage experiment. This module also use an important tool for showcase the principle of high voltage in a controlled environment. Education tools: Elevate your physics and electronics education with the inclusion of this module in class room activities. The adjustable high voltage output allows students to explore various aspects of electricity. And foster a hands on learning experience that enhance knowledge. Powering Electronic Projects: Integrate this module into your electronic projects that demand a reliable and adjustable high voltage power source. Its compact design and efficiency make it perfect to power various electronic applications where precise control over voltage is crucial for optimal project performance. Captivating Static Electricity: Capture the attention of audiences with captivating static electricity demonstrations. This module provides the necessary power to create visually striking and education displays. Research and Development in Electric Engineering: For professionals in electric engineering and researcher. This module also use a valuable asset in research and development. Its efficiency and versatility make it an ideal tool for testing projects in the field of electric engineering. Package Includes: 1 x 1000KV Step Up Power Module
32700/32650 1S Battery Electrical Insulator Insulation Ring Adhesive For Positive Terminal 12Pcs
[Insulation Paper] Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation-12Pcs This Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation is a cardboard paper for a 32700/32650 battery insulator. Better protection to avoid short circuits on batteries. Easy peel and stick application. The Outer Ring Diameter is ~32 mm whereas Inner Ring Diameter is ~15 mm Thickness: 0.25mm. How to use : Take off each insulation paper from the base paper. Put and stick upper hollow adhesive insulation paper on the top of the battery positive. Put and stick lower solid adhesive insulation paper on the negative. Then, you can weld Ni tape or Ni-plated steel plate with positive, and negative to make the battery pack. Note: Colors in the image may vary from the Actual Product. FEATURES: Better protection to avoid short circuits on batteries. Perfect Build for DIY battery packs! 12 x Single Hole Electrical Insulating Adhesive Mat for Battery Cell terminal Insulation
5V 1A Wireless Power Supply Transmitter Receiver Charging Coil Module
[Induction Module] Wireless Charger Module Inductive Charger Transmitter + Receiver Power Supply Module DC 5 V 1A This product is for the current wireless charging various series of small electronic products, and power development and design is made with a small size, extremely easy to use, high efficiency, low cost features primarily for mobile electronics products such as: cell phones, game machine, fish tank, MP3, MP4, adult products, digital cameras, electric shavers, machine learning, medical supplies and other products of underwater applications. As a result of non-contact charging power supply, make the product completely sealed, waterproof and dustproof, increase the life of the product easier to use. Features: Input voltage: 9 ~ 12V Maximum load current: 1.3A Receives the output voltage and current: 5V / 2A, 12V / 700mA Transmitting coil size: diameter 43mm, thickness 2.3mm Transmitter module size: 18mm * 8.5mm * 15mm Receiver Module size: 10mm * 25mm * 3mm Receiving coil size: diameter 43mm, thickness 1.2mm Receive the best distance: 3 ~ 6mm Includes: Power Transmitter Power Receiver
1K Ohm Linear Taper 16mm Rotary Potentiometer Elcon
[Potentiometer] Elcon B1K 1KΩ 16mm Rotary Potentiometer – 3 Pin D-Type Shaft The Elcon B1K 1KΩ Rotary Potentiometer is a compact 3-pin linear taper potentiometer designed for adjusting voltage, resistance, tone, brightness, speed, and other electrical parameters in electronic circuits. It has a total resistance of 1KΩ, with the resistance distributed linearly across the rotation of the shaft. The potentiometer can be used as a variable resistor or as a variable voltage divider. The two outer pins provide the full resistance value, while the center pin acts as the wiper and provides an adjustable resistance or voltage depending on the circuit connection. Its D-type shaft provides a secure grip for a compatible knob, while the included nut allows the potentiometer to be securely fixed to a panel or enclosure. The compact 16mm body makes it suitable for PCB and general-purpose electronic applications. ⭐ Key Features 1KΩ total resistance B1K linear taper 3-pin configuration D-type shaft Compact 16mm potentiometer Includes fixing nut Suitable for PCB mounting Can be used as a variable resistor Can be used as a variable voltage divider Suitable for tone and electronic control applications Breadboard compatible according to the supplied specifications 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Potentiometer Value: B1K / 1KΩ Taper: Linear Number of Pins: 3 Shaft Type: D-Type Shaft Diameter: 4mm Shaft Length: 8–10mm Pins Pitch: 4.4mm Dimensions: 25mm × 16mm × 16mm Nut Inner Diameter: 6mm Nut Outer Diameter: 10mm Mounting: PCB / Panel Mount Breadboard Compatible: Yes 🔌 Pin Function Outer Pin 1: Resistive track terminal Center Pin: Wiper / Variable output Outer Pin 3: Resistive track terminal The resistance between the two outer pins remains approximately 1KΩ, while the resistance between the center pin and either outer pin changes as the shaft is rotated. 🔧 Applications Tone Control Audio Circuits Volume & Signal Adjustment LED Brightness Control Motor Speed Control Voltage Adjustment Variable Resistor Applications Arduino Projects DIY Electronics Projects PCB Prototyping General Electronic Control Circuits 🛠️ How It Works When used as a potentiometer, the center pin acts as the adjustable wiper and can provide a variable output across the rotation range. When used as a variable resistor, the wiper can be connected with one of the outer terminals to obtain an adjustable resistance. 📦 Package Includes 1 × Elcon B1K 1KΩ 3-Pin Rotary Potentiometer 1 × Fixing Nut ⚠️ Note Product images are for illustrative purposes only and may differ slightly from the actual product. The supplied specifications state a shaft length of 8–10mm; please verify the exact dimensions against the available product batch before installation.
100K Ohm Linear Taper 16mm Rotary Potentiometer Elcon
[Potentiometer] Elcon B100K 100KΩ 16mm Rotary Potentiometer – 3 Pin D-Type Shaft The Elcon B100K 100KΩ Rotary Potentiometer is a compact 3-pin linear taper potentiometer designed for adjusting voltage, resistance, signal levels, brightness, motor speed, and other electrical parameters in electronic circuits. It has a total resistance of 100KΩ, with the resistance distributed linearly across the rotation of the shaft. The potentiometer can be used as a variable resistor or as a variable voltage divider. The two outer pins provide the full resistance value, while the center pin acts as the wiper and provides an adjustable resistance or voltage depending on the circuit connection. Its D-type shaft provides a secure grip for a compatible knob, while the included nut allows the potentiometer to be securely fixed to a panel or enclosure. The compact 16mm body makes it suitable for PCB and general-purpose electronic applications. ⭐ Key Features 100KΩ total resistance B100K linear taper 3-pin configuration D-type shaft Compact 16mm potentiometer Includes fixing nut Suitable for PCB mounting Can be used as a variable resistor Can be used as a variable voltage divider Suitable for tone and electronic control applications Breadboard compatible according to the supplied specifications 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Potentiometer Value: B100K / 100KΩ Taper: Linear Number of Pins: 3 Shaft Type: D-Type Shaft Diameter: 4mm Shaft Length: 8–10mm Pins Pitch: 4.4mm Dimensions: 25mm × 16mm × 16mm Nut Inner Diameter: 6mm Nut Outer Diameter: 10mm Mounting: PCB / Panel Mount Breadboard Compatible: Yes 🔌 Pin Function Outer Pin 1: Resistive track terminal Center Pin: Wiper / Variable output Outer Pin 3: Resistive track terminal The resistance between the two outer pins remains approximately 100KΩ, while the resistance between the center pin and either outer pin changes as the shaft is rotated. 🔧 Applications Tone Control Audio Circuits Signal Level Adjustment LED Brightness Control Motor Speed Control Voltage Adjustment Variable Resistor Applications Arduino Projects DIY Electronics Projects PCB Prototyping General Electronic Control Circuits 🛠️ How It Works When used as a potentiometer, the center pin acts as the adjustable wiper and provides a variable output across the rotation range. When used as a variable resistor, the wiper can be connected with one of the outer terminals to obtain an adjustable resistance. 📦 Package Includes 1 × Elcon B100K 100KΩ 3-Pin Rotary Potentiometer 1 × Fixing Nut ⚠️ Note Product images are for illustrative purposes only and may differ slightly from the actual product. The supplied specifications state a shaft length of 8–10mm; please verify the exact dimensions against the actual product batch before installation.
5K Ohm Linear Taper 16mm Rotary Potentiometer-Elcon
[Potentiometer] Elcon B5K 5KΩ 16mm Rotary Potentiometer – 3 Pin D-Type Shaft The Elcon B5K 5KΩ Rotary Potentiometer is a compact 3-pin linear taper potentiometer designed for adjusting voltage, resistance, tone, brightness, motor speed, and other electrical parameters in electronic circuits. It has a total resistance of 5KΩ, with the resistance distributed linearly across the rotation of the shaft. The potentiometer can be used as a variable resistor or as a variable voltage divider. The two outer pins provide the full resistance value, while the center pin acts as the wiper and provides an adjustable resistance or voltage depending on the circuit connection. Its D-type shaft provides a secure grip for a compatible knob, while the included nut allows the potentiometer to be securely fixed to a panel or enclosure. The compact 16mm body makes it suitable for PCB and general-purpose electronic applications. ⭐ Key Features 5KΩ total resistance B5K linear taper 3-pin configuration D-type shaft Compact 16mm potentiometer Includes fixing nut Suitable for PCB mounting Can be used as a variable resistor Can be used as a variable voltage divider Suitable for tone and electronic control applications Breadboard compatible according to the supplied specifications 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Potentiometer Value: B5K / 5KΩ Taper: Linear Number of Pins: 3 Shaft Type: D-Type Shaft Diameter: 4mm Shaft Length: 8–10mm Pins Pitch: 4.4mm Dimensions: 25mm × 16mm × 16mm Nut Inner Diameter: 6mm Nut Outer Diameter: 10mm Mounting: PCB / Panel Mount Breadboard Compatible: Yes 🔌 Pin Function Outer Pin 1: Resistive track terminal Center Pin: Wiper / Variable output Outer Pin 3: Resistive track terminal The resistance between the two outer pins remains approximately 5KΩ, while the resistance between the center pin and either outer pin changes as the shaft is rotated. 🔧 Applications Tone Control Audio Circuits Volume & Signal Adjustment LED Brightness Control Motor Speed Control Voltage Adjustment Variable Resistor Applications Arduino Projects DIY Electronics Projects PCB Prototyping General Electronic Control Circuits 🛠️ How It Works When used as a potentiometer, the center pin acts as the adjustable wiper and provides a variable output across the rotation range. When used as a variable resistor, the wiper can be connected with one of the outer terminals to obtain an adjustable resistance. 📦 Package Includes 1 × Elcon B5K 5KΩ 3-Pin Rotary Potentiometer 1 × Fixing Nut ⚠️ Note Product images are for illustrative purposes only and may differ slightly from the actual product. The supplied specifications state a shaft length of 8–10mm; please verify the exact dimensions against the actual product batch before installation.
10K Ohm Linear Taper 16mm Rotary Potentiometer Elcon
[Potentiometer] Elcon B10K 10KΩ 16mm Rotary Potentiometer – 3 Pin D-Type Shaft The Elcon B10K 10KΩ Rotary Potentiometer is a compact 3-pin linear taper potentiometer designed for adjusting voltage, resistance, tone, brightness, motor speed, and other electrical parameters in electronic circuits. It has a total resistance of 10KΩ, with the resistance distributed linearly across the rotation of the shaft. The potentiometer can be used as a variable resistor or as a variable voltage divider. The two outer pins provide the full resistance value, while the center pin acts as the wiper and provides an adjustable resistance or voltage depending on the circuit connection. Its D-type shaft provides a secure grip for a compatible knob, while the included nut allows the potentiometer to be securely fixed to a panel or enclosure. The compact 16mm body makes it suitable for PCB and general-purpose electronic applications. ⭐ Key Features 10KΩ total resistance B10K linear taper 3-pin configuration D-type shaft Compact 16mm potentiometer Includes fixing nut Suitable for PCB mounting Can be used as a variable resistor Can be used as a variable voltage divider Suitable for tone and electronic control applications Breadboard compatible according to the supplied specifications 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Potentiometer Value: B10K / 10KΩ Taper: Linear Number of Pins: 3 Shaft Type: D-Type Shaft Diameter: 4mm Shaft Length: 8–10mm Pins Pitch: 4.4mm Dimensions: 25mm × 16mm × 16mm Nut Inner Diameter: 6mm Nut Outer Diameter: 10mm Mounting: PCB / Panel Mount Breadboard Compatible: Yes 🔌 Pin Function Outer Pin 1: Resistive track terminal Center Pin: Wiper / Variable output Outer Pin 3: Resistive track terminal The resistance between the two outer pins remains approximately 10KΩ, while the resistance between the center pin and either outer pin changes as the shaft is rotated. 🔧 Applications Tone Control Audio Circuits Volume & Signal Adjustment LED Brightness Control Motor Speed Control Voltage Adjustment Variable Resistor Applications Arduino Projects DIY Electronics Projects PCB Prototyping General Electronic Control Circuits 🛠️ How It Works When used as a potentiometer, the center pin acts as the adjustable wiper and provides a variable output across the rotation range. When used as a variable resistor, the wiper can be connected with one of the outer terminals to obtain an adjustable resistance. 📦 Package Includes 1 × Elcon B10K 10KΩ 3-Pin Rotary Potentiometer 1 × Fixing Nut ⚠️ Note Product images are for illustrative purposes only and may differ slightly from the actual product. The supplied specifications state a shaft length of 8–10mm; please verify the exact dimensions against the actual product batch before installation.
1M Nickel Strip 2P 0.12 * 27Mm Nickel Strip For 18650 Lithium Battery Welding Tape
[Nickel Strip] This product directly from raw materials of high purity nickel plate rolling, more than 99.96% of nickel content, with a guarantee of high purity nickel, low-resistance (15% lower than the traditional process so), to avoid the traditional craft materials in the smelting process of adding resulting decrease of nickel with purity, resistance increases the defect, this method does not change the chemical composition of energy nickel plate. Specifications: Material: Nickel-Plated Steel Optional Type and Size: 2P Thickness: 0.12mm Width: 27mm Spacing: 20.25mm Length: 1m/3.2ft Color: Nickel Package Includes: 1 x 1M Nickel Strip 2P 0.15 * 27Mm Nickel Strip For 18650 Lithium Battery Welding Tape
12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch
[Cooling FAN] 12V 8025 DC Cooling Fan – 80×80×25mm 3-Inch The 12V 8025 DC Cooling Fan is a compact and reliable cooling fan designed to provide airflow for computer cases, servers, power supplies, amplifiers, electronic enclosures, and DIY electronics projects. With an 80×80mm fan size and 25mm thickness, it is suitable for applications requiring moderate airflow in compact spaces. Operating from a 12V DC power supply, the fan runs at approximately 2600 RPM and provides around 30.7 CFM airflow. Its compact design and relatively low noise level make it suitable for continuous cooling of enclosed electronic equipment and custom projects. ⭐ Key Features 12V DC operating voltage 80×80×25mm standard fan size Approximately 2600 RPM Airflow up to 30.7 CFM Low noise level of approximately 30.7dBA Compact and lightweight design Suitable for computer cases and electronic enclosures Ideal for cooling amplifiers, power supplies and electronic equipment Easy 2-wire connection Red wire: +12V DC Black wire: Ground 📋 Technical Specifications Product Type: DC Cooling Fan Model / Size: 8025 Fan Size: 80mm / 3 Inch Dimensions: 80 × 80 × 25mm Operating Voltage: 12V DC Operating Current: 0.20A Power Consumption: Approximately 2.4W Speed: Approximately 2600 RPM @ 12V DC Airflow: Approximately 30.7 CFM Noise Level: Approximately 30.7dBA Wire Gauge: 26AWG Wire Length: 40cm Weight: Approximately 72g Connection: 2-Wire DC Red Wire: Positive (+) Black Wire: Ground (−) Application: Electronic Equipment Cooling 🔌 Wiring Connect the red wire to +12V DC and the black wire to Ground/−. Make sure the power supply is capable of providing the required current before operating the fan. 🛠️ Applications ATX Computer Cases Server Cooling Power Supply Cooling Amplifier Cooling Audio Equipment Electronic Enclosures DIY Electronics Projects 3D Printer Enclosures Control Panels Industrial Equipment Battery Charger Cooling DC Power Supply Cooling 📦 Package Includes 1 × 12V 8025 DC Cooling Fan – 80×80×25mm ⚠️ Precautions Use only a suitable 12V DC power supply. Do not exceed the specified operating voltage. Ensure correct polarity when connecting the wires. Keep the fan blades free from obstruction. Do not touch the rotating blades while the fan is operating. Ensure adequate ventilation around the fan inlet and outlet. Keep away from excessive moisture and dust. Secure the fan properly before operation.
Out of stockTCRT5000 DUAL LINE TRACKING SENSOR MODULE
[IR and PIR Sensors] This IR reflective sensor Module TCRT5000 IR Sensor is used to detect colour and distance. This sensor module consists on an IR transmitter & an IR receiver. IR Transmitter continuously emits IR signal which is then reflected by an obstacle and is then detected by the IR receiver. TCRT5000 Infrared Reflective Sensor Module is often used in line following robots ,object sorting Robot because this module can sense if a surface is white or black. The measuring distance range from 1mm to 8mm, and the central point is about 2.5mm. There is also an on-board potentiometer to adjust the sensitivity. The infrared diode will emitting the infrared continually when the module is powered ON, when the emitted infrared light has not been reflected or the strength is not big enough, the receiver diode will in the off state and output pin i.e. DO will be LOW. Description of Line Tracking sensor TCRT5000L:- Main chip: LM393, Designed with reflected infrared sensor, indicator light. Built in a potentiometer for sensitivity control. On-board LM393 voltage comparator chip and infrared sensing probe TCRT5000L Support 5 V / 3.5 V voltage input On-board signal output instructions, output is high effective signal at the same time, the indicator lamp light output signal can be directly and single-chip microcomputer IO connection & mid dot; Signal detection sensitivity can adjust Reserve all the way more circuits (P3 voltage drawn) using TCRT5000 infrared reflection sensor test reflection distance: 1 mm to 25 mm Operation voltage: 3.5v-5V Operation current: >15mA wide voltage LM393 comparator output form: digital switch output (0 and 1) a fixed bolt hole, convenient installation. Features of Line Tracking sensor TCRT5000:- Product Name : Infrared Obstacle Avoidance Sensor Module; Module Model : TCRT5000; Working Voltage : DC 3.5-5V Output Channel : 0/1; Detect Distance : 1-25mm; Focal Distance : 2.5mm Chipset : LM393; PCB Size : 32 x 14mm/1.3″ x 0.55″ (L*W) Total Size : 38 x 14 x 18mm/1.5″ x 0.55″ x 0.7″(L*W*H); Material : Electric Part Package Content : 1 x Infrared Obstacle Avoidance Sensor Module
TPA3110 30W (15W+15W) Digital Stereo Audio Power Amplifier Board Module CA-3110
[Amplifier Board] The TPA3110/HDX8816A is a 2×15 Watt Class D Power Amplifier Board. It is designed to drive Professional Stereo Audio Speakers. This Amplifier Board is mostly used with 8-ohm speakers but it can successfully drive the speaker as low as 4 ohm. It's a very high efficient board which eliminates the need of using a heat sink. This device is fully protected against the shorts to GND, VCC & Output to Output. The Application of this device is endless in the segment of consumer electronics. Its most common and widely used application is in Televisions and mid-range compact audio equipment. Features : Wide range in Input voltage Source i.e. from 8v to 24v. It can be used for applications like cars, vehicles, computer speakers, family audio and video systems, and in your own DIY Music System. This amplifier board comes with 4 mounting holes, which is very helpful in tightening the complete circuit board according to your project requirement. 3110 power amplifier chip does not require a heat dissipation sink. It has over-current and over-heat protection. Specification : Operating voltage range: 8V to 24V Amplifier chip: TPA3110 / HDX8816A Output power: 2 x 15W Dimension: 25mm x 33mm x 3mm Package includes: 1x TPA3110 30W (15W+15W) Digital Stereo Audio Power Amplifier Board Module
12Volt DC RS-555 Motor Multipurpose Brushed Motor for DIY applications PCB Drill
12V Brushed DC Motor RS 555 Operating Voltage: 12V No-load Current: 0.6A Maximum Current: 2A No Load RPM: 5500 – 6500 Motor Shaft Diameter: 3.17mm Mounting Screw Hole Diameter : 3mm Distance between Screw Holes: 25mm Diameter of the Motor: 36mm Length of the Motor (Body): 50mm Length of Shaft: 16mm Note: This is a generic DIY Motor, finishing and size may vary in each stock. Product Images are shown for illustrative purposes only and may differ from the actual products. We suggest you buy a few quantities before going for bulk or contact customer support for current stock images.