This is schematic of module:
and this is description of parts:
When it detects a current (set by the pot) it operates the relay, and you do what you want with this information.
RV mineirin
This is schematic of module:
and this is description of parts:
When it detects a current (set by the pot) it operates the relay, and you do what you want with this information.
RV mineirin