DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board with Optocoupler Isolation LED Warning Lamp Dupont Cable for Arduino

الوصف

DAOKAI 5 PCS 1 Channel Relay Module 5V Low Level Trigger Relay Shield Module Control Board with Optocoupler Isolation LED Warning Lamp Dupont Cable for Arduino