4-channel 5v relay module – control high voltage devices safely!
description
control ac 250v / dc 30v devices using low-voltage microcontrollers like arduino, arm, pic, or msp430. equipped with opto-isolated inputs and led indicators, ensuring safe and reliable operation for diy electronics, smart home, and industrial automation
specifications
channels: 4
relay rating: ac 250v 10a / dc 30v 10a
driver current: 15–20 ma per channel
interface: mcu compatible (ttl logic, active low)
led indicators: show relay status
module size: 75 × 55 × 20 mm
opto-isolated inputs for microcontroller protection
compatible with arduino, 8051, avr, pic, dsp, arm, msp430
applications
smart home automation (lights, fans, appliances)
industrial automation & plc control
robotics & iot projects