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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Logitech MX Master 4 Wireless Ergonomic Mouse (Graphite)
[Mouse] Logitech MX Master 4 Wireless Ergonomic Productivity Mouse - Graphite The gold standard in productivity. Features Quiet Clicks, 8,000 DPI Darkfield sensor that tracks anywhere (even on glass), MagSpeed electromagnetic scrolling up to 1,000 lines per second, and multi-device Logi Bolt + Bluetooth connectivity. ⭐ Key Features - MagSpeed Electromagnetic Scrolling: Ultra-fast, ultra-quiet, pixel-precise - 8,000 DPI Darkfield High Precision sensor tracks on any surface including glass - Quiet Click buttons reduce click noise by 90% - Cross-computer Flow control between up to 3 PCs or Macs - USB-C Quick Charging: Up to 70 days battery life on full charge; 3 hours from 1 minute charge 📋 Technical Specifications - Sensor: Darkfield high precision (200 - 8000 DPI) - Buttons: 7 buttons (Left/Right, Back/Forward, App-Switch, Wheel mode-shift, Middle click) - Wireless: Bluetooth Low Energy + Logi Bolt USB Receiver (10m range) - Battery: Rechargeable Li-Po (500 mAh) - Weight: 141 grams 📦 Package Includes - 1 x Logitech MX Master 4 Mouse (Graphite) - 1 x Logi Bolt USB Receiver - 1 x USB-C Charging Cable
Nuts, Bolts and Screws Pack
M4×12, M4×20, M5×16, M5×25, M6×20 mm assortment.
Only 2 leftASUS ROG Strix Z790-E Gaming WiFi
Premium Z790. DDR5, 18+1 VRM, 5× M.2, WiFi 7, dual Thunderbolt 4 headers. Built for 14900K + RTX 4090.
Out of stockBenQ PD2725u DesignVue 27" 4K Thunderbolt 3
27" 4K IPS, 100% sRGB / 95% P3, Thunderbolt 3 daisy-chain. Creator monitor.
Out of stockThunderbolt 4 Cable 1m
Active TB4 cable, 40 Gbps, 100W PD, DP 1.4 alt mode.
Out of stockSatechi Thunderbolt 4 Multimedia Pro Hub
TB4 hub, 3x TB4 ports + HDMI 8K, SD, 100W PD passthrough.
KLEVV Bolt X 16GB (2 x 8GB) 3200MHz CL16 DDR4 Desktop RAM Kit
[Memory] KLEVV Bolt X 16GB (2x8GB) DDR4 3200MHz CL16 Gaming RAM Kit High quality dual-channel DDR4 memory kit featuring pure 99.5% aluminum heatsinks with geometric laser-embossed patterns. Built for Intel Core 10th-14th gen and AMD Ryzen AM4 platforms. ⭐ Key Features - 16GB Dual Channel Kit (2 x 8GB) - 3200MHz XMP 2.0 with fast CL16-18-18 timings - Low-profile 36.7mm height prevents heatsink obstruction - Tested 100% on ASUS, MSI, Gigabyte, and ASRock motherboards 📋 Technical Specifications - Capacity: 16GB (2x 8GB) - Speed: DDR4 3200 MHz - Timings: CL16-18-18-38 - Voltage: 1.35V 📦 Package Includes - 2 x KLEVV Bolt X 8GB DDR4 RAM Modules
Out of stockORICO USB4 NVMe Enclosure 40 Gbps
Thunderbolt 4 / USB4 M.2 NVMe enclosure, 40 Gbps, USB-C, aluminium.
16 sq mm Copper Ring Lug Cable Terminal
[Terminal Connector] 16 sq mm Pure Copper Ring Lug Cable Terminal The 16 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable connections in high-current electrical systems. Made from pure copper, it provides excellent electrical conductivity and a strong mechanical connection between the cable and the terminal point. The ring lug design allows the terminal to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is suitable for battery packs, inverters, UPS systems, solar installations, automotive wiring, and industrial electrical applications. The compact construction provides a reliable connection while allowing easy installation using a suitable crimping tool. The terminal is ideal for applications where a strong and low-resistance electrical connection is required. ⭐ Key Features Made from pure copper Designed for 16 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 Suitable for battery and power wiring Ideal for electrical and DIY applications 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 16 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 LiFePO₄ Battery Systems Lead-Acid Batteries Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 16 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Precautions Select the correct lug according to the 16 sq mm cable size and required mounting hole diameter. Use a suitable cable-lug crimping tool for a secure connection. Ensure the cable is properly inserted and crimped before use. Do not exceed the safe current capacity of the cable and terminal assembly. Ensure all electrical connections are properly insulated and secured.
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.
T Handle Connector for SB50 Anderson Connector – Grey
[Power Connector] T-Handle for SB50 Anderson Connector The T-Handle for SB50 Anderson Connector is a durable and convenient accessory designed to make connecting and disconnecting SB50-style 2-pole power connectors easier. Its ergonomic T-shaped design provides a firm grip and improved leverage, allowing the connector to be removed smoothly without pulling directly on the cables. ⭐ Key Features Designed for SB50 Anderson-style connectors Ergonomic T-shaped handle Provides a firm and comfortable grip Makes connector removal easier Helps reduce strain on connector cables Easy bolt-on installation Durable construction Suitable for frequent connector connection/disconnection 📋 Technical Specifications Product Type: Anderson Connector T-Handle Compatible Connector: SB50 Connector Type: 2-Pole Rated Current: Up to 50A for SB50 Handle Type: T-Shape Pull Handle Color: Grey Mounting: Bolt-On Application: Connector Insert & Pull 🔧 Applications Battery Packs Solar Power Systems Inverters UPS Systems Electric Vehicles Golf Carts Electric Scooters Trailers Caravan & RV Systems Automotive Power Connections DIY Battery Projects 📦 Package Includes 1 × T-Handle for SB50 Anderson Connector Mounting Bolts Nuts
NY-D01 100A Digital Display Spot Welding Controller Board
[Spot Welding Parts] The principle of silicon-controlled phase shifting triggering is adopted to adjust the time and the current to achieve welding. With a digital display, you can directly see the time and current. Optocoupler isolates the strong and weak electricity, making the operation safer. Using a high-precision single potentiometer to ensure reliable and convenient input. The design of a reliable zero-crossing detection circuit ensures the SCR phase shift accuracy. Made of high-quality PCB, the control board is long-lasting. The module is 8cm long, 6cm wide, and 2cm high. It is developed for DIY or simple resistance welding. Features: 1 The use of STM8 industrial control center microcontroller. 2 Strong and weak electricity through optocoupler insulation, safe operation. 3 The power line and foot switch line adopts the bolt the quick connect terminal, more convenient and reliable. 4 Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input 5 On-board power supply, state, foot, trigger indicator, work status clearly visible. 6 The design of reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy. 7 The controller is compatible with 100A scr. 8 Digital control interface, you can display the current time and current settings. 9 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%), Material Plastic+Metal Current Input 30-99% Microcontroller. STM8 Time input 1-50 Shipping Weight 0.12 kg Shipping Dimensions 8 × 6 × 2 cm Package Includes: 1 x NY-D01 100A Digital Display Spot Welding Controller Board
NY-D01 40A Digital Display Spot Welding Controller Board
[Spot Welding Parts] This is a NY-D01 40A Digital Display Spot Welding Controller Board. The principle of silicon controlled phase shifting triggering is adopted to adjust the time and the current to achieve welding. With a digital display, you can directly see the time and current. Optocoupler isolates the strong and weak electricity, making the operation safer. Using a high-precision single potentiometer to ensure reliable and convenient input. The design of a reliable zero-crossing detection circuit ensures the SCR phase shift accuracy. Made of high-quality PCB, the control board is long-lasting. The module is 8cm long, 6cm wide and 2cm high. It is developed for DIY or simple resistance welding. Connection Diagram: Features: 1 The use of STM8 industrial control centre microcontroller. 2 Strong and weak electricity through optocoupler insulation, safe operation. 3 The power line and footswitch line adopts the bolt the quick connect terminal, more convenient and reliable. 4 Input time, current using a high-precision simple potentiometer, to ensure reliable, convenient input 5 On-board power supply, state, foot, trigger indicator, work status clearly visible. 6 The design of a reliable zero-crossing detection circuit to ensure that the SCR phase shift accuracy. 7 The controller is compatible with 40A SCR. 8 Digital control interface, you can display the current time and current settings. 9 Input time of 1-50, cycle unit (1 cycles is 20 ms), current input (30-99%), Package Includes: 1 x NY-D01 40A Digital Display Spot Welding Controller Board
Vibration sensor module alarm Motion sensor module vibration switch SW-420
[Vibration Sensor] Vibration sensor module alarm Motion sensor module vibration switch SW-420 module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can adjust using an onboard potentiometer. When this no vibration, this module output logic LOW the signal indicates LED light, and vice versa. If the module does not vibrate, the vibration switch was on the close state, the output of low output, the green indicator light. The product vibrates, vibration switches momentary disconnect, the output is driven high, the green light does not shine. The output can connect to the microcontroller, which to detect high and low level; so as to detect whether the environment exists vibration, play a role in the alarm. Note: Do not reverse the power directions, otherwise, it is possible to burn the chip. Signal LED light is output Low, signal LED OFF output is High. The output level close to the input voltage. Features : Using SW-420 normally closed type vibration sensor. Comparator output, clean signal, good waveform, strong driving ability, >15mA. Using a wide voltage LM393 comparator. With bolt holes for easy installation. Package Includes : 1 x Vibration sensor module alarm Motion sensor module vibration switch SW-420.
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
Out of stockMagnetic Reed Switch Sensor Module
[Magnetic Sensor] Magnetic Control Module Reed Switch Sensor This module can be applied in Program-controlled switches, copiers, washing machines, refrigerators, cameras, Disinfection cabinets, doors, window magnetic, electromagnetic relays, electronic weighing, level meters, gas meters, water meters, and so on. Specifications and Features: Clean, good waveform driving ability, more than 15mA. Working voltage 3.3V-5 Output format: digital switching output (0 and 1) A fixed bolt hole for easy installation PCB size: 3.2cm x 1.4cm Digital output using a voltage LM393 comparator IC Package Includes: 1 x Reed Switch Module
Out of stockQuadcopter Drone Frame F450
[Drone Frame, Uncategorized] F 450 Quadcopter 4-Axis Strong Frame (Multicolour) Width: 450mm Height: 55mm Weight: 295g (without electronics) Material: Glass Fiber + Polyamide-Nylon Motor Mount Bolt Holes: 16/19mm Built from high-quality glass fibre and ultra-durable polyamide nylon. Arms are reinforced and much stronger to prevent and reduce breakage at hard landings. Integrated PCB connections for direct soldering your ESCs. Colored arms for orientation to keep you flying in the right direction. Large mounting tabs on main frame bottom plate for easy camera or other accessories mounting. Pre-threaded brass sleeves for all of the frame bolts. Easy assembly. Package includes : 1 x Top and Bottom with Integrated PCB. 2 x F450 arms Red 2 x F450 arms White 1 x Accessories set. This Q450 Quadcopter Frame is made from Glass Fiber which makes it tough and durable. They have the arms of ultra-durable Polyamide-Nylon which are the stronger molded arms having a very good thickness so no more arm breakage at the motor mounts on a hard landing. The arms have support ridges on them, which improves stability and provides faster forward flight.
Out of stock5V 6 Channel Low Level Relay Module with Light Coupling
[Relay Module] It is a 5V 6 Channel Low-Level Relay Module with Light Coupling. The relay normally open interface maximum load: AC 250V/10A, DC 30V/10A. With optocoupler isolation, strong drive capability, stable performance; trigger current 5mA, module working voltage: DC 5V. Each channel of the module can be triggered by a jumper to set a high level or a low level. Fault-tolerant design, even if the control line is disconnected, the relay will not move. With status indicator: power (green), 6-channel relay status indicator (red). All module size interfaces can be directly connected through the terminal block, which is convenient and practical. Features: 6-way relay output module contact capacity is 10A 250V. input IN1, IN2, IN3, IN4, IN5, IN6 signal, a low level is effective. Using single-chip design, reliable performance, strong anti-interference, no false triggering, superior performance. The trigger terminal has optocoupler isolation, the independent external power supply can trigger completely isolated. Each relay has an activity indicator light. With 4 fixed bolt holes, easy installation. Support all SCM control. It is applicable to the industrial sector, PLC control and home intelligent control. Package Includes: 1 x 5V 6 Channel Low-Level Relay Module with Light Coupling.
Out of stockTilt Sensor Vibration Alarm Vibration Switch Module for Arduino
[Vibration Sensor] SW-460D SW-520D SW18020P SW18015P Tilt Sensor Switch The Tilt Sensor Vibration Alarm Vibration Switch Module for Arduino come with the basic components for operation. Supplying power and it is good to be used. Attach it to object and it will detect whether the object is tilt. Simple usage as it is the digital output, so you will know the object is tilt or not by reading the output. It uses SW-460D or SW-520D tilt sensor. The Tilt Sensor is the ball rolling type, NOT Mercury type. Comes with an M3 mounting hole for ease of attaching it to an object. On board, it provides a tilt switch, high sensitivity and commonly being used for tilt detection. The module comes with power LED and status LED for the visual indicator. The module will output logic LOW when the module is not tilted until the threshold angle; it will output logic HIGH when it is tilted over the threshold angle. We have tested, the tilt angle is quite big, from 45 degrees to 130 degrees. However, it depends on the angular velocity too. It can be used as a vibration sensor too. It can be interfaced with any microcontroller with digital input such as 8051, PIC, SK40C, SK28A,SKds40A, Features – Ball Rolling type of tilt sensor. This small module is easy to use. Afixed bolt hole for easy installation Wide voltage LM393 comparator PIN CONNECTION: VCC = 5V GND = 0V. DO = digital output from module NOTE: IF THE DO IS NOT WORKING, YOU MIGHT NEED TO TURN THE ON-BOARD POTENTIOMETER TO CENTER.
Out of stock2 Channel 5V Relay Module
[Relay Module] This is a 2 Channel 5V Relay module, be able to control various appliances, and other equipment with large current. It can be controlled directly by Microcontroller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).5V 2-Channel Relay interface board and each one needs 15-20mA Driver Current Equipped with high-current relay, AC250V 10A; DC30V 10A Standard interface that can be controlled directly by microcontroller (8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LEDs for Relay output status. Features: The module using Single relay control. AC voltage 250V, AC current 10A, maximum DC voltage 30V DC current maximum 10A. Power indicator (green), Two ways of relay status indicator light (red). Using 8550 transistor-driven, strong driving ability. Has the fixed bolt hole and easy installation. Package Includes: 1 x 5V 2 Channel Relay Module. Specifications :- Operating Voltage (VDC) 2.5 ~ 5.5 Trigger Voltage (VDC) 5 Trigger Current (mA) 20 Switching Voltage (VAC) 250@10A Switching Voltage (VDC) 30@10A Operating Temperature (C) -40 to 85 Opt. Relative Humidity(RH) 20% 85% Storage condition () 65 to 125 Length (mm) 43 Width (mm) 43 Height (mm) 17 Weight (gm) 25
Sound Detection Sensor Module Red/Blue for Arduino/Raspberry Pi/Other Microcontrollers
[Audio Sensor] Sound Detection Module Sensor for Intelligent Vehicle Compatible With Arduino is a Single channel signal output Sensor. The output is effective to the low-level sound signal with good fidelity, When there is sound, outputs low level and signal light. It can be used for Acoustic control light, give sound and light alarm working with the Photosensitive sensor, and sound control, sound detect. (The Maximum induction distance is 0.5M) Note: This sensor only recognizes the availability of sound (vibration principle) cannot identify the size of the sound or the specific frequencies of sound. Features : Uses LM393, Electret condenser microphone Signal output Indication Single-channel signal output The output effective signal is low level. Can detect the intensity of the sound environment With the retaining bolt hole, convenient installation.