All products · 16 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockPhanteks Eclipse G360A
Mid-tower ATX, ultra-fine mesh front, 3x 120mm D-RGB fans included.
Out of stockMagnetic Under-Desk Cable Clips (6 pc)
Strong neodymium cable holders for desk underside or steel surfaces. 6-pack.
Out of stockHelping Hands Magnifier Stand
Heavy-cast iron base, dual alligator clips, 2.5x glass magnifier + LED light.
Crocodile Alligator Clip 50 mm Black and Red
Description: An alligator clip, also called a spring clip, creates a temporary electrical connection using a simple mechanical design.It gets its name because the jaws resemble an alligator or crocodile’s mouth, opening and closing to grip objects securely.The clip works like a spring-loaded clothespin that uses tapered, serrated jaws to hold wires or metal parts tightly.A spring pushes the jaws together, allowing the clip to grip objects and maintain a reliable electrical connection.Manufacturers design these clips for electronics testing, enabling quick connections without soldering or permanent joints.One jaw usually connects to a wire by crimping or soldering for efficient current transfer.Some clips use a bent jaw forming the inner contact of a 15 mm to 4 mm female banana jack.This design allows a fast, non-permanent connection between test circuits and laboratory instruments.A plastic cover or boot surrounds the clip to prevent short circuits and protect users from accidental shocks.Engineers and students use these clips widely in testing, prototyping, and educational experiments. Applications: Technicians use small clips (15 mm–40 mm) in electrical laboratories, schools, and college labs for quick test connections.Large clips, called automotive clips or battery clamps, use solid copper for low resistance and strong current flow.Users connect these large clips with thick insulated copper cables between automobile batteries or heavy electrical systems.Hobbyists and professionals rely on these clips for safe, reusable, and efficient electrical connections. Product Example: Check the Crocodile Alligator Clip 50 mm – Red and Black, made from durable stainless steel with a protective plastic shroud.Its spring-loaded jaws open wide to grip different wire sizes securely during testing or circuit connection.The serrated teeth ensure a strong, slip-free grip that maintains stable electrical contact during operation. Package Includes: 1 × Crocodile Alligator Clip 50 mm (Black and Red)
RC3563 Battery Internal Resistance Tester – Handheld Battery Analyzer
[Battery Capacity Tester] RC3563 Battery Internal Resistance Tester – High Precision Battery Resistance & Voltage Meter The RC3563 Battery Internal Resistance Tester is a professional handheld measuring instrument designed for accurate testing of battery internal resistance, battery voltage, and low-value resistance. Using the Kelvin 4-wire measurement method, it minimizes errors caused by lead and contact resistance, providing stable and precise readings. Featuring an LCD display, USB rechargeable operation, and a compact portable design, the RC3563 is suitable for testing Li-ion, LiFePO₄, NiMH, NiCd, Lead-Acid batteries, capacitors, resistors, and other low-resistance components. It is ideal for battery maintenance, EV battery inspection, manufacturing, laboratories, electronics repair, and DIY applications. ⭐ Key Features Simultaneous measurement of internal resistance and voltage High-precision Kelvin 4-wire testing technology Low-resistance measurement capability Clear LCD digital display Portable handheld design 5V USB rechargeable operation Stable and accurate measurement algorithm Suitable for lithium, nickel, and lead-acid batteries Suitable for capacitor and resistor low-resistance testing Ideal for laboratory, industrial, repair, and DIY applications 📋 Technical Specifications Product Type: Battery Internal Resistance Tester Model: RC3563 Measurement Type: Internal Resistance & Voltage Test Method: Kelvin 4-Wire Display: LCD Screen Charging Input: 5V DC Power Supply: Built-in Rechargeable Battery Supported Batteries: Lithium, LiFePO₄, Nickel, Lead-Acid Additional Function: Low Resistance Measurement Design: Handheld Portable Device 🔧 Applications 18650 Battery Testing 21700 Battery Testing Lithium Battery Testing LiFePO₄ Battery Testing Battery Pack Testing EV Battery Inspection UPS & Inverter Battery Testing Lead-Acid Battery Diagnostics Battery Manufacturing & Quality Control Electronics Repair & Servicing Laboratory Testing Capacitor Testing Low Resistance Measurement ⚠️ Precautions Ensure correct polarity when connecting the test probes. Do not short-circuit the test leads. Use only a 5V charging input. Handle the test clips carefully for accurate measurements. Keep the tester away from water and excessive humidity. Avoid extreme temperatures. 📦 Package Includes 1 × RC3563 Battery Internal Resistance Tester 1 × Kelvin 4-Wire Test Lead Set 1 × USB Charging Cable 1 × User Manual
16A 250V AC DPST ON-OFF Rocker Switch
[Mechanical Switches] This is a basic DPST ON-OFF Rocker Switch for your projects. No screws required, it simply clips into place. This is a two-pin switch that is easy to use, simply cut one of the two power wires and solder each of the ends to the unit. This 16A 250V AC DPST ON-OFF Rocker Switch is perfect for controlling power to electronic circuits, robots, etc. We have carefully selected the best On/Off Rocker Switch with a high load rating and the perfect size to for all general-purpose On/Off applications. This rocker switch has two positions – one on position and another off position. The rocker switch stays in the one till it is pressed and changed to the other position. It has two large pins on the backside to which wires can be soldered and connected to your circuit. The On/Off Rocker Switch is the simplest and easiest power control switch for your project. It comes with tabs on the top and bottom which secure it onto an enclosure without the need for any screws. On and Off positions are clearly marked which help users identify the current switch position during usage. This switch is great to turn on/off and control DC Motors in Robotics, Car and Motorcycle DC Motors, DC Motors in Industrial Machines, Water Dispensers, etc. We have sourced the best switch with a high load rating of 16A at 250VAC which should be suitable for most applications. Please note: 1. Switching Mode: ON-OFF 2. Structure: DPST Features: Positions Marked on the rocker: I, O (On and Off) for easy identification Long Switching Life: 50000-100000 cycles Easy installation, No Screws or Nuts required Used widely for on/off power control, car, motorcycle, boat, some machines, water dispenser, etc. Package Includes: 1 x 16A 250V AC DPST ON-OFF Rocker Switch
6A 250V SPDT ON/OFF Rocker Switch with Indicator Light Panel Mount 4 Pin
[Mechanical Switches] The 6A 250V SPDT ON/OFF Rocker Switch with Indicator Light is a durable and reliable panel-mount power switch designed for AC and DC electrical applications. Featuring a built-in illuminated indicator, this switch clearly displays the ON/OFF status, making it convenient and safe to operate. Its snap-in panel mounting design allows quick installation without the need for screws or mounting hardware. The strong retaining clips securely lock the switch into the panel, providing a neat and professional finish. Built with high-quality flame-retardant housing and durable silver alloy contacts, the switch offers a long electrical and mechanical life of 50,000–100,000 switching cycles. The SPDT (Single Pole Double Throw) contact configuration ensures reliable switching performance for a variety of electrical control applications. This illuminated rocker switch is widely used in automotive electronics, industrial machinery, power supplies, DIY electronics, home appliances, control panels, water dispensers, boats, motorcycles, and various electrical equipment. ⭐ Features SPDT (Single Pole Double Throw) switching mechanism ON/OFF rocker switch with built-in indicator light Quick snap-in panel mounting No screws or nuts required High-quality flame-retardant housing Bright illuminated indicator for easy status identification Long mechanical life (50,000–100,000 operations) Silver alloy contacts for reliable performance Compact and durable construction Suitable for AC and DC applications 📋 Technical Specifications Product Type: Illuminated Rocker Switch Switch Type: SPDT (Single Pole Double Throw) Operation: ON/OFF Rated Voltage: 250V AC Rated Current: 6A Indicator Light: Built-in LED/Neon (Model Dependent) Mounting Type: Panel Mount Mounting Style: Snap-In Terminal Type: Quick Connect / Solder Terminals Housing Material: Flame-Retardant Plastic Contact Material: Silver Alloy/Iron Electrical Life: 50,000–100,000 Switching Cycles Operating Temperature: -20°C to +85°C Color: Black &Red (Indicator color may vary depending on model) 🔧 Applications Suitable for: Power supplies Home appliances Industrial machines Control panels Water dispensers Battery chargers DIY electronics Automotive accessories Motorcycles Boats Electronic equipment Lighting control circuits 📦 Package Includes 1 × 6A 250V SPDT ON/OFF Rocker Switch with Indicator Light
Metal Alligator Prong Clips Electrical Clamp 50 mm
[Power Connector] The 50mm Metal Alligator Clip (Crocodile Clip) Set is a durable electrical test accessory designed for temporary electrical connections in testing, measurement, and prototyping applications. Manufactured from high-quality conductive metal with insulated protective sleeves, these clips provide excellent electrical conductivity and secure clamping performance. The spring-loaded wide-opening jaws firmly grip wires, terminals, battery posts, PCB test points, and other electrical contacts, making them ideal for use with multimeters, power supplies, battery chargers, laboratory equipment, and DIY electronic projects. The insulated red and black protective covers help identify positive and negative connections while providing additional safety during operation. Their compact size and lightweight design make them suitable for hobbyists, technicians, students, and professionals. 🔹 Key Features High-quality metal alligator clips Strong spring-loaded jaws Wide opening for secure grip Insulated protective covers Excellent electrical conductivity Durable corrosion-resistant construction Easy wire attachment by soldering or crimping Lightweight and compact Suitable for low-voltage electrical testing Reusable and long service life 🔹 Technical Specifications Product Type: Alligator Clip / Crocodile Clip Material: Nickel-Plated Steel Insulation Material: PVC Clip Length: 50mm Available Sizes: 40mm (Short) / 50mm (Long) Jaw Type: Spring Loaded Color: Red & Black Weight: Approx. 8g (Pair) Connection Type: Crimp / Solder Application: Electrical Testing & Temporary Connections 🔹 Applications Suitable for: Digital multimeters Power supplies Battery testing Arduino projects Raspberry Pi projects Electronics prototyping Laboratory experiments School science projects DIY electronics Automotive electrical testing PCB testing Temporary electrical connections 🔹 Package Includes 1 × Red 50mm Alligator Clip 1 × Black 50mm Alligator Clip
Out of stockPVC PLASTIC ENCLOSURE – 4″ X 4″
[PVC ENCLOSURE] This is a small size enclosure for all your project housing needs. Made from high quality plastic this enclosure is 4″ x 4″ x 2″ in size. Perfect for housing small sized PCBs and boards. Can be easily modified, cut, and drilled into with simple tools. It is light and yet quite strong and rugged. Perfect for housing small sized projects. Key Features: Outer Dimesnsions: 10 cm x 10 cm x 5 cm in size Colour: white Has 4 holes in bottom which help to mount the box on table or wall. Glossy white Finish with White Top and White Bottom Lid. The top panel has a flat display area, perfect for labels, silk screening, membrane keypads or easily machined. Designed for a comfortable fit into the user’s hand. Also suitable for surface use. Enclosure consists of a bottom piece and a lid which clips onto to each other through 4 screws (Provided inside). Application: Can be used to house DC Chargers, LED Drivers, General Purpose Boards, etc Can be easily modified, cut, and drilled into with simple tools. It is light and yet quite strong and rugged.Perfect for housing all small to medium sized projects.
Out of stock10 pcs of Double-ended Crocodile/Alligator Clips Roach Clips Electrical DIY Test Leads
[Uncategorized] This is Double-ended Crocodile/Alligator Clips Roach Clips Electrical DIY Test Leads. It is an insulation-covered clip connected to the wire from both ends. Alligator clips can also be used as miniature clamps to hold parts together. In addition, it is also useful for gluing and wires together for soldering. It is useful in electrical or laboratory electric testing work. Alligator clips are frequently used in school physics laboratories to quickly and cheaply assemble circuits. They are very useful for connecting components to wires. Easy for installation and safety for use with the insulation colored soft plastic insulation cover. FEATURES : Type: double-ended crocodile/alligator clips. Easy for installation Colour: red, green, yellow, white and black, etc. Color-coded insulated leads allow you to test circuits without crossing wires or causing shorts with each other. safety for use with the color-coded insulation plastic cover on clips. PACKAGE INCLUDES : 10 x Double-ended Crocodile/Alligator Clip Wires.
Out of stock6A 250V AC DPDT ON-OFF-ON 6 Pin Rocker Switch
[Mechanical Switches] This is a basic DPDT ON-OFF-ON Rocker Switch for your projects. No screws required, it simply clips into place. This is a two-pin switch that is easy to use, simply cut one of the two power wires and solder each of the ends to the unit. This 6A 250V AC DPDT ON-OFF-ON Rocker Switch is perfect for controlling power to electronic circuits, robots, etc. We have carefully selected the best On/Off Rocker Switch with a high load rating and the perfect size to for all general-purpose On/Off applications. This rocker switch has two positions – one on position and another off position. The rocker switch stays in the one till it is pressed and changed to the other position. In simple words, It is a simple push-switch, such as one for a doorbell, has one set of contacts and the on position is only momentary, as soon as you release the switch it goes back to off. This action is called push-to-make (push to close contacts). It has two large pins on the backside to which wires can be soldered and connected to your circuit. The On-Off-On Rocker Switch is the simplest and easiest power control switch for your project. It comes with tabs on the top and bottom which secure it onto an enclosure without the need for any screws. On and Off positions are clearly marked which help users identify the current switch position during usage. This switch is great to turn on/off and control DC Motors in Robotics, Car and Motorcycle DC Motors, DC Motors in Industrial Machines, Water Dispensers, etc. We have sourced the best switch with a high load rating of 16A at 250VAC which should be suitable for most applications. Please note: 1. Switching Mode: ON-OFF-ON 2. Structure: DPDT Features: Positions Marked on the rocker: I, O (On and Off) for easy identification Long Switching Life: 50000-100000 cycles Easy installation, No Screws or Nuts required Used widely for on/off power control, car, motorcycle, boat, some machines, water dispenser, etc. Package Includes: 1 x 16A 250V AC DPDT ON-OFF-ON Momentary Rocker Switch
Solderless 400 pin breadboard – Normal Quality
[Breadboard and Zero PCBs] 400 Tie Points – Solderless Breadboard is a high-quality breadboard with power lanes and printed top face for easy prototyping. A breadboard is used to make up temporary circuits for testing or to try out an idea. No soldering is required so it is easy to change connections and replace components. It is Reusable for fast build a prototype of an electronic circuit – will accept transistors, diodes, LEDs, resistors, capacitors and virtually all types of components – No soldering required – Can modify or revise the circuits easily Fit for jumper wire of 0.8mm diameter – Standard 2.54mm hole spacing Adhesive sheet on the backside of the board – Multiple breadboards can be spliced together too. Specifications and features: 400 tie points 1 Double strip, Total 300 tie points 2 Power lanes, Total 100 tie points in power lanes Perfect for Arduino shield prototyping and testing Plastic housing, metal contact clips Package Includes: 1 x 400 pin breadboard – Normal Quality – Without Packing
Out of stock170 pts Mini Breadboard SYB-170 White
[Breadboard and Zero PCBs] The SYB-170 Mini Solderless Breadboard is named for its 170 tie points. It has 17 columns of 10 holes, which are separated into two pairs by a central notch, and labeled 1 to 17. Each column is also labeled, with a letter from A to J to that they can be easily referenced in instructions ( like the squares on a chess board ). It has a peel and sticks adhesive backing as well as two mounting holes for M2 screws so you can anchor it down. This solderless, re-usable breadboard is made from sturdy ABS plastic housing. Great for prototyping, testing and creating add-on modules or new circuits. It’s standard nickel plated spring clips ensure longevity and firm grip. As a single unit, the PTBB-170W provides one large (170) tie-point IC circuit terminal strip. If you run out of space, the PTBB-400W can be pair with additional breadboards (below) to accommodate larger projects. Works with LEDs, transistors, diodes, capacitors, and resistors. Features : Use: experimental, testing, robot Matching jumper, diameter 0.8mm Accepts 20-29 AWG wire sizes. Adhesive-backed for permanent mounting. Phosphor bronze nickel plated spring clips Package Includes : 1 x 170 pts Mini Breadboard SYB-170 White
MB102 830 Points Solderless Prototype PCB Breadboard High Quality
[Breadboard and Zero PCBs] Mb102 Bread Board 830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Colored coordinates for easy components placement. Accept a variety of wire sizes 20-29 AWG An MB102 830 Points Solderless Prototype PCB Breadboard is an invaluable tool for experimenting with circuit designs whether in the R&D or university lab. A breadboard is used to make up temporary circuits for testing or to try out an idea. No soldering is required so it is easy to change connections and replace components. NOTE: The breadboard is slightly concave at the base. Note: The product is shown in the above images may be varied in terms of the brand. Features : Mb102 Bread Board 830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Completely reusable Colored coordinates for easy components placement. Phosphor bronze nickel plated spring clips. Accept a variety of wire sizes 20-29 AWG Package Includes : 1 x Piece Brand New MB102 Breadboard