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40-pin ZIF socket
40W Temperature Controlled Soldering Station
4-20SC-MaxSonar-WRMI(MB7789)
4.2" 400x300 Monochrome/4-Grey eInk Bare Display
MPN: ADA6381
433MHz RF Transceiver CC1101 Module
433Mhz RF Transmitting Receiver Module
4.3 40-pin TFT Display - 480x272 with Touchscreen
434Mhz Serial RF Module HC-11 (1-40M)
4.3inch QLED Display, DSI Interface, 800 × 480, Integrated Structure, Toughened Glass Panel
4.58-inch 320x960 RGB TTL TFT Display - No Touchscreen
MPN: ADA5805
45KG Torque Brushless Waterproof Servo
45KG Torque Coreless Waterproof Servo
45W DC-DC Converter 9V@5A
4700uF 10v Electrolytic Capacitor
470 Ohm 0.5 Watt Metal Film Resistors - Pack of 8
470 Ohm 1/10W 1% SMD Resistor
MPN: COM-18279
4.7" E-ink Screen for ESP32
47k Ohm 0.5 Watt Metal Film Resistors - Pack of 8
4.7k Ohm SMD Resistor - 1/10W, 1%
MPN: COM-18280
47kΩ 1/4W ±5% PTH Resistor
MPN: COM-30156
40-pin ZIF socket
A 40-pin Zero Insertion Force (ZIF) socket for DIP chips up to 0.6″ wide. The lever-operated mechanism allows chips to be inserted and removed without bending pins, making it ideal for chip programmers, testing, and applications where ICs need to be swapped frequently. Lift the lever to open the...
40W Temperature Controlled Soldering Station
An entry-level temperature-controlled soldering station ideal for hobbyists and beginners. The lightweight iron features an anti-slip grip and comes with a tip-cleaning sponge, while the base unit provides analogue temperature control from 150°C to 450°C via a simple dial. A 4 mm banana socket c...
4-20SC-MaxSonar-WRMI(MB7789)
The MB7789 4-20SC-MaxSonar-WRMI is a rugged, weather-resistant ultrasonic distance sensor with self-cleaning capability, designed for outdoor applications in high-moisture or condensation-prone environments. It provides millimetre-resolution distance readings from 500mm to 5000mm using a 4–20mA a...
4.2" 400x300 Monochrome/4-Grey eInk Bare Display
· MPN: ADA6381
E-Ink and ePaper panels are ideal for low-power projects where the image needs to stay visible without continuous power. This bare 4.2 inch display has a paper-like, high-contrast look that remains readable in daylight and keeps its image even when power is disconnected.This is the display elemen...
433MHz RF Transceiver CC1101 Module
A low-cost sub-1 GHz RF transceiver module based on the Texas Instruments CC1101 IC, designed for low-power wireless communication. Pre-configured for 433 MHz operation, it is well suited for ISM and Short Range Device (SRD) applications with a transmission range of 300–500 metres depending on en...
433Mhz RF Transmitting Receiver Module
A simple 433 MHz RF link kit consisting of a transmitter and receiver pair, commonly used for basic wireless remote control and data transmission between microcontrollers. The ASK (Amplitude Shift Keying) modulation makes these modules easy to use with popular Arduino libraries such as VirtualWir...
4.3 40-pin TFT Display - 480x272 with Touchscreen
This 4.3" TFT display offers a 480×272 pixel resolution with 24-bit colour (8 red, 8 green, 8 blue parallel pins), an LED backlight, and a resistive touchscreen overlay. It's well-suited for projects that need a large display area for graphics or a user interface. This is a raw RGB TTL (pixel-do...
434Mhz Serial RF Module HC-11 (1-40M)
The HC-11 is a low-cost, high-performance FSK transceiver module operating at 434 MHz, designed for transparent wireless serial communication. With a UART/TTL interface, it handles all RF protocol processing internally — simply send serial data in and it appears wirelessly at the receiving module...
4.3inch QLED Display, DSI Interface, 800 × 480, Integrated Structure, Toughened Glass Panel
This 4.3" QLED display from Waveshare connects to Raspberry Pi via the DSI interface, providing a high-quality touchscreen with a single ribbon cable connection. The QLED (Quantum Dot LED) panel delivers a wider colour gamut (sRGB 92%, NTSC 78%) and more vivid colours compared to standard TFT dis...
4.58-inch 320x960 RGB TTL TFT Display - No Touchscreen
· MPN: ADA5805
This long rectangular TFT module is made for advanced display projects that need a wide bar-style screen with lots of pixels. The 4.58-inch IPS panel has a 320x960 resolution with 16-bit full-colour pixels, giving it a crisp, bright look for custom dashboards, status bars, instruments and other u...
45KG Torque Brushless Waterproof Servo
A high-torque brushless waterproof servo delivering up to 45 kg·cm of stall torque at 8.4V. The all-metal gear train and aluminium shell provide exceptional durability, while IP67-rated waterproofing — achieved through laminated circuit boards, waterproof gaskets, and breathable composite sealing...
45KG Torque Coreless Waterproof Servo
A high-torque coreless waterproof servo delivering up to 45 kg·cm of stall torque at 8.4V. The all-metal gear train and aluminium shell provide excellent durability, while IP67-rated waterproofing — achieved through laminated circuit boards, waterproof gaskets, and breathable composite sealing — ...
45W DC-DC Converter 9V@5A
A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclosure and 96% efficiency make it well suited for robotics, vehicles, and outdoor installations where reliable voltage regulation is needed. Key Feature...
4700uF 10v Electrolytic Capacitor
A 4700 µF electrolytic capacitor rated for up to 10V. This high-capacitance component is ideal for smoothing voltage spikes and providing current buffering in power supply circuits, servo systems, LED strips, and solar charging setups. Specifications Capacitance: 4700 µF Voltage Rating: 10V ...
470 Ohm 0.5 Watt Metal Film Resistors - Pack of 8
A pack of 8 metal film resistors rated at 470Ω and 0.5W (½W). These through-hole axial resistors offer 1% tolerance for accurate circuit design, and are the same physical size as standard ¼W carbon film resistors, making them a drop-in upgrade for higher power handling. Specifications Resistan...
470 Ohm 1/10W 1% SMD Resistor
· MPN: COM-18279
This surface-mount resistor is a simple, reliable passive component for electronics builds, repairs and prototyping. It provides 470 Ohms resistance with ±1% tolerance in a thick film SMD package.Rated for 0.1W / 1/10W, it is suitable for compact PCB designs where a through-hole resistor is not r...
4.7" E-ink Screen for ESP32
This 4.7" e-ink display board integrates an ESP32-WROVER-E module (ESP32-D0WDQ6 V3) with 16MB Flash and 8MB PSRAM, providing a complete development platform for low-power e-ink projects. The display supports 16 grayscale levels and partial refresh for faster screen updates. The board features 3 ...
47k Ohm 0.5 Watt Metal Film Resistors - Pack of 8
A pack of 8 metal film resistors rated at 47 kΩ and 0.5W (½W). These through-hole axial resistors offer 1% tolerance for accurate circuit design, and are the same physical size as standard ¼W carbon film resistors, making them a drop-in upgrade for higher power handling. Specifications Resista...
4.7k Ohm SMD Resistor - 1/10W, 1%
· MPN: COM-18280
This compact SMD resistor is suited to PCB repairs, prototyping and small-batch builds where you need a precise surface-mount passive component.It is a thick-film resistor with ±1% tolerance and a 1/10W power rating, supplied as a single component.A datasheet is available from the manufacturer fo...
47kΩ 1/4W ±5% PTH Resistor
· MPN: COM-30156
This is a basic 47 kOhms through-hole resistor for general electronics prototyping and repairs. It is rated for 1/4 Watt with a ±5% tolerance.The PTH leads make it easy to use with breadboards, perf boards and hand-soldered circuits. It is supplied as a single resistor, handy when you only need o...
