Description
- Contains only pcb
- Made in india
- This relay module is 5V active low.
- High quality Double side fr4 pcb
- USE DRIVER -ULN2003 SMD SOP16
- USE RESISTOR 1K OHM 0805 SMD
- USE LED 0805 SMD
- USE OPTO COUPLER EL817(4NOS) OR TLP521-4
- USE CAPACITOR 1000UF 6V OR ABOVE
- USE 126 GREEN CONNECTOR OF PITCH 5MM
- Opto-Isolated inputs, means your digital electronics is safe and noise free.
