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4 Pin MINI DIN / S-VHS PANEL Socket
4-Soldering Zoo Animal Kit
4V 60mA Solar Panel 55x55mm
4-Way 2.1mm DC Barrel Jack Splitter
4-way Fast Charge Buck Module (Compatible with Raspberry Pi 4B & Jetson Nano)
4-Way Tilt Sensor - RPI-1031
4-Wire Slot Type Photoelectric Switch
4 x 1U and 1 x 1.25U "Tab" Silicone Keycap Molds
4 x 1U and 1 x 1.5U "Caps Lock" Silicone Keycap Molds
4x4 keyboard keypad module
4x4 Key Deluxe Aluminum Keypad Shell Enclosure
4x4 Matrix Keypad
4xAA battery holder (square)
4xAA battery holder (square with cover)
4 x AA Battery Holder with 2.1mm Plug
4 x AA Battery Holder with 2.1mm Plug and On/Off Switch
4xAA Battery Holder with DC connector
4 x AA Battery Holder with On/Off Switch
4x AA Battery Holder (with Power Switch, DC2.1 Jack, and Cover)
4 x AA Battery Holder with Premium Jumper Header Wires
4 Pin MINI DIN / S-VHS PANEL Socket
A 4-pin mini DIN panel-mount socket (S-Video / S-VHS type) with nickel-plated copper construction. The socket requires a 10mm panel cutout and uses solder tag termination for secure, permanent connections. Specifications Type – Mini DIN 4-pin (S-Video) socket Pins – 4 Case Material – Nickel-...
4-Soldering Zoo Animal Kit
A beginner-friendly DIY soldering kit that lets kids build six adorable zoo animal circuits. Each pre-cut PCB animal gets a colour-changing RGB LED and coin cell battery soldered on the back, bringing it to life with a soft blinking light. A great introduction to soldering, circuits, and electron...
4V 60mA Solar Panel 55x55mm
A compact 4V 60mA solar panel measuring 55×55mm, suitable for low-power electronics projects, sensor nodes, and educational experiments. The small form factor makes it easy to integrate into portable builds and enclosures. This panel provides enough output to trickle-charge small batteries or di...
4-Way 2.1mm DC Barrel Jack Splitter
A simple 1-to-4 DC barrel jack splitter that lets you power four devices from a single DC power adapter. Features standard 5.5mm/2.1mm barrel connectors with rugged moulded construction. Plug your existing DC power supply into the input jack, and get four identical output plugs ready to connect ...
4-way Fast Charge Buck Module (Compatible with Raspberry Pi 4B & Jetson Nano)
A 4-channel USB buck converter module with built-in fast-charge protocol support. Accepts 6–32V input and provides adjustable 3–12V output (default 5V) across four independent USB ports, each capable of triggering fast-charge negotiation for compatible devices. The module automatically negotiate...
4-Way Tilt Sensor - RPI-1031
The RPI-1031 is a 4-directional tilt sensor that detects orientation using internal infrared emitters and detectors. Unlike simple single-axis tilt switches, this sensor can distinguish between multiple orientations, making it useful for projects that need to know which way is "up." Inside the s...
4-Wire Slot Type Photoelectric Switch
A 4-wire slot-type photoelectric switch with integrated optical transmitter and receiver. The 5mm detection slot can detect objects passing through, including transparent materials, making it ideal for counting, position sensing, and high-speed object detection in industrial and hobby application...
4 x 1U and 1 x 1.25U "Tab" Silicone Keycap Molds
A two-piece silicone mould set for casting your own custom keycaps. Includes four 1U (standard single-key size) and one 1.25U (Tab-key size) cavities, compatible with Cherry MX-style key switches. UV-curable resin is recommended for the best results — it cures quickly and cleanly with a UV lamp,...
4 x 1U and 1 x 1.5U "Caps Lock" Silicone Keycap Molds
A two-piece silicone mould set for casting your own custom keycaps. Includes four 1U (R4 profile, standard single-key size) and one 1.5U (Caps Lock size) cavities, compatible with Cherry MX-style key switches. UV-curable resin is recommended for the best results — it cures quickly and cleanly wi...
4x4 keyboard keypad module
A 4×4 matrix membrane keypad with 16 tactile buttons, ideal for adding user input to microcontroller projects. The keypad uses a standard 8-pin matrix wiring scheme (4 rows × 4 columns), requiring only 8 GPIO pins to read all 16 keys. The flexible membrane design is thin and lightweight, making ...
4x4 Key Deluxe Aluminum Keypad Shell Enclosure
A premium milled and anodised aluminium enclosure for building a custom 4×4 mechanical keypad. The dark grey shell with silver accents provides a solid, professional-looking base for your macro pad or shortcut keypad project. The multi-part enclosure features a hinged design that lets you angle ...
4x4 Matrix Keypad
A sturdy 4×4 matrix keypad with 16 buttons, providing a durable tactile input option for microcontroller projects. This hard-button keypad offers a more robust feel compared to membrane keypads, making it well-suited for frequently used interfaces. The keypad uses a standard 8-pin matrix layout ...
4xAA battery holder (square)
A simple 4-cell AA battery holder in a square (2×2) configuration. Features 5-inch tinned leads for easy soldering into your project. Provides 6V nominal output with four AA alkaline batteries, or 4.8V with rechargeable NiMH cells. Specifications Battery Type – AA (LR6) Cell Count – 4 Config...
4xAA battery holder (square with cover)
A 4-cell AA battery holder in a square (2×2) configuration with a sliding removable cover and a built-in ON/OFF switch. Features 5-inch tinned leads for easy soldering. The cover keeps batteries secure, and the switch provides convenient power control without disconnecting wires. Specifications ...
4 x AA Battery Holder with 2.1mm Plug
A 4×AA battery holder with a 20cm (8″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides a portable power source for development boards and projects that accept a standard DC barrel jack input. Delivers approximately 4.8V with NiMH rechargeable batteries or up to 6V wit...
4 x AA Battery Holder with 2.1mm Plug and On/Off Switch
A 4×AA battery holder with a built-in on/off switch and a 13cm (5″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides convenient portable power with easy switching for development boards and projects that accept a standard DC barrel jack input. Delivers approximately 4....
4xAA Battery Holder with DC connector
A flat 4×AA battery holder with a 2.1mm DC barrel jack connector, providing an easy way to power Arduino boards and other projects that accept a DC barrel plug. With four alkaline AA batteries installed, it delivers approximately 6V — within the recommended input voltage range for the Arduino Uno...
4 x AA Battery Holder with On/Off Switch
A 4×AA battery holder with a snap-on cover and built-in on/off switch. Holds four AA batteries in series, outputting a nominal 6V (alkaline) or 4.8V (NiMH), making it a convenient portable power source for 5V microcontroller projects. With alkaline batteries, you may want to add a 1N4001 diode i...
4x AA Battery Holder (with Power Switch, DC2.1 Jack, and Cover)
A compact 4×AA battery holder with a built-in on/off power switch, DC2.1 barrel jack output, and a protective cover. Ideal for powering Arduino, Raspberry Pi, and other microcontroller projects with a portable 6V supply. The holder accepts four standard AA batteries (1.2V rechargeable or 1.5V al...
4 x AA Battery Holder with Premium Jumper Header Wires
A 4×AA battery holder with premium jumper header wires that plug directly into a breadboard. No stripping or soldering required — just insert the header pins into your breadboard rails and start prototyping with portable battery power. Delivers approximately 4.8V with NiMH rechargeable batteries...