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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
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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...
4.3 Inch E-Paper 800x600
This 4.3-inch e-ink display module from DFRobot supports 800×600 resolution and communicates via serial (UART), making it straightforward to integrate with microcontrollers. It features built-in Chinese and English font libraries and 128MB of onboard NandFlash storage, so you can display text and...
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
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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
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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
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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%
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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
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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...
47pF 50V 5% C0G/NP0 MLCC Capacitor
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This ceramic MLCC capacitor provides 47 pF capacitance with a 50V rating and ±5% tolerance. It uses a C0G/NP0 temperature coefficient, making it suitable where a stable small-value capacitor is required.It is a surface-mount part supplied as a single unit, with a compact 1.60mm x 0.80mm footprint...
4-AAA Battery Holder
This battery holder accommodates 4× AAA batteries in series, providing approximately 6V from alkaline cells or 4.8V from NiMH rechargeables. It features wire leads for connecting to your electronics projects. Key Features 4× AAA Configuration – Series connection for 4.8–6V output Wire Leads –...
4 channel 5V relay module with light coupling 5V
A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, and other mains-powered devices from a microcontroller. The opto-isolators protec...
4 Channel Arduino Relay Shield
This 4-channel relay shield from DFRobot plugs directly onto an Arduino Uno or compatible board, providing opto-isolated relay switching for controlling high-power devices such as lamps, water pumps, and motors. Each relay has its own test button and LED status indicator. The shield features a b...
