All Products

SKU: SF-COM-18280 · 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...

SKU: SF-COM-30156 · 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...

SKU: SF-COM-27916 · MPN: COM-27916

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...

SKU: PL-1145

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 –...

SKU: LB-LR0051

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...

SKU: DF-DFR0144

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...

SKU: EC-ARS27361T

This motor shield uses dual TB6612 MOSFET drivers and a PCA9685PW I2C PWM controller to drive up to 4 DC motors or 2 stepper motors from an Arduino or compatible board. All motor control and speed management is handled via the I2C bus, freeing up digital pins for other uses. The stackable design...

SKU: AF-757 · MPN: 757

This bi-directional logic level converter from Adafruit uses 4× BSS138 FETs with 10K pull-up resistors to safely shift signals between different voltage levels. Unlike many level shifters, this design is fully compatible with I2C's open-drain pull-up signalling, following NXP's recommended applic...

SKU: WS-30461 · MPN: 30461

The Waveshare Modbus RTU 4-Channel Relay Module provides reliable high-current switching for industrial automation over an RS485 bus. Each of the four SPDT relays handles loads up to 30A at 250VAC or 28VDC, making it suitable for controlling motors, lighting, HVAC systems, and other heavy-duty eq...

SKU: DF-DFR0913

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 3.3V, making it easy to interface industrial sensors and PLC outputs with Arduino, Raspberry Pi, and other 3.3V microcontrollers. Each channel features photoelectric isolation for reliable signal separation...

SKU: DF-DFR0914

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 5V, making it easy to interface industrial sensors and PLC outputs with Arduino and other 5V microcontrollers. Each channel features photoelectric isolation for reliable signal separation between high and l...

SKU: EC-SPS40201S

This Elecrow 4-channel IR reflective sensor module combines four infrared emitter/receiver pairs with a mainboard that processes all signals. When an object enters the detection range, the corresponding channel outputs a low (TTL 0) signal and its indicator LED lights up. Each channel has an onbo...

SKU: TB-MB3703

This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modulation (PWM) control, ensuring safe and efficient charging. A single Li-ion or LiF...

SKU: LB-LS1376

A 4-core 50W ceramic heating element designed as a replacement for soldering iron handles on compatible constant-temperature soldering stations. The ceramic construction with four-wire heating provides fast heat-up, low power loss, and anti-static properties for reliable long-term use. Key Featu...

SKU: WS-19806

A compact 4-digit 8-segment red LED display module designed for the Raspberry Pi Pico. It plugs directly onto the Pico via an onboard female pin header and communicates over an SPI-compatible interface driven by an embedded 74HC595 shift register. The module comes with C/C++ and MicroPython demo ...

SKU: LB-LR0214-33

Add a clear numeric readout to your next microcontroller project with this simple 4-digit LED display module. It is suited to showing counters, timers, scores and sensor values without needing lots of I/O pins.The module uses a 2-wire serial interface with CLK and DIO pins, and runs from either 3...

SKU: DF-KIT0212 · MPN: KIT0212

Designed for high-accuracy navigation projects, this kit uses Network RTK to deliver 5 cm + 1 ppm centimetre-level positioning across a typical 15-20km operational range. Its onboard 4G module receives RTCM correction data from a CORS network via the Ntrip protocol, removing the need for a local ...

SKU: WS-24769

Industrial 4G LTE Router, multiple VPN protocols support, 3-ch Ethernet Ports, WIFI high-speed internet access, dual Qualcomm chips Industrial 4G LTE Router Enhanced WiFi, 1WAN/LAN+2LAN  Supports multiple modes and frequency bands, suitable for countries or regions including Europe, Middl...

SKU: LB-CONSULTING-4

Little Bird provides professional consulting services to help you get your electronics and IoT projects up and running. Whether you need a system and code review, troubleshooting, or hands-on implementation support, our team is here to help. Pre-paid consulting time is sold in 4-hour blocks at $...

SKU: LB-1601026

This USB splitter cable expands a single USB 2.0 Type-A port into two, allowing you to connect multiple devices simultaneously for both charging and data transfer. It's a compact solution for adding extra USB connectivity to laptops, desktops, and in-car systems without needing a powered hub. Ke...