Pay in 4 interest-free payments of $33.75 Learn more
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
5V Operation
Natural gas leakage
Quick mode :60ms
Non-Rechargeable battery
During parallel loading
Relay Module 4 Channels - 5V) L7812CV 5V OperationIntroduction : It is a 4 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.