All Products

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: EF-EF03007

This 4-channel relay module allows you to control up to four independent circuits using a microcontroller such as Arduino, Raspberry Pi, or other MCU boards. Each relay channel has an LED indicator that shows the current output state, making it easy to monitor which relays are active. The modula...

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

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: EC-CRF00504C

This Elecrow 4-channel RF remote control module pairs a 433MHz wireless receiver board with a 5-button RF remote controller. Each of the four latching relays provides passive (dry contact) output, allowing you to switch mains-powered appliances or DC loads up to 10A without additional circuitry. ...

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: TB-WB1591

A flexible 4-core alarm cable with stranded conductors in a tough white outer sheath, supplied on a 30-metre roll. Each core consists of 7 × 0.16mm strands, providing good flexibility for installation in security systems, intercoms, and low-voltage wiring applications. Specifications Conductor...

SKU: TB-WB1590

A flexible 4-core alarm cable with stranded tin-plated copper conductors in a tough white outer sheath. Each core consists of 7 × 0.16mm strands (25 AWG), providing good flexibility for installation in security systems, intercoms, and low-voltage wiring applications. Sold per metre. Specificatio...

SKU: PI-COM0501

A common-anode 4-digit 7-segment LED display in blue, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal point, plus colon and apostrophe indicators for clock-style formatting. Key Featur...

SKU: PI-COM0504

A common-anode 4-digit 7-segment LED display in green, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal point, plus colon and apostrophe indicators for clock-style formatting. Key Featu...

SKU: PI-COM0503

A common-anode 4-digit 7-segment LED display in red, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal point, plus colon and apostrophe indicators for clock-style formatting. Key Feature...

SKU: PI-COM0505

A common-anode 4-digit 7-segment LED display in white, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal point, plus colon and apostrophe indicators for clock-style formatting. Key Featu...

SKU: PI-COM0502

A common-anode 4-digit 7-segment LED display in yellow, ideal for building clocks, timers, counters, and other numeric readouts. The display features 16 through-hole pins controlling four digits, each with a decimal point, plus colon and apostrophe indicators for clock-style formatting. Key Feat...