4-Channel 5V Relay Board IR (Infrared) Obstacle Avoidance Sensor Module 3-6V DC) with wheels Sensor
Yard notes & kiln story
Description
4 Channel 5V Relay Board IR (Infrared) Obstacle Avoidance Sensor Module 3 6V DC) with wheels Sensor 3 6V DC) with wheels Sensor Suite Ultrasonic Wide Operating Voltage: Accepts 3 use a separate 5 V adapter for all 4 relays under load) Whether you are a hobbyist