4 CHANNEL 5V RELAY CONTROL BOARD WITH OPTOCOUPLER FOR IN INDIA

4-channel   relay   output modules,   relay   output contacts   250A 10A.   Input   IN1,   IN2,   IN3, IN4,   the signal line   LOW   effective.   VCC, GND   power input,   can   relay   a separate   power   supply   relay   power   input of   JD- VCC. Uses: 1,   support   all   MCU control. 2,   the   industrial sector; 3, PLC   control; 4, smart home   control; FEED BACK We request buyers to leave all star feedback if satisfied and if not satisfied they can communicate and contact us so we can take appropriate action.     Leaving Negative or Neutral Feedback will not solve a problem, so please contact us if you have any questions or any complaints before leaving a Feedback      Your feedback is important for us to grow our business on , so please do leave feedback