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3pcs 3V 1 Channl Relay Isolated Drive Control Module High Level Driver Board
3pcs 3V 1 Channl Relay Isolated Drive Control Module High Level Driver Board
US$9.50 US$14.99

Q: Any ideas on what the two jumpers on the board control?

Asked by orangebrowne on 2019-07-21 13:28:20

wujiahui Most of the jumpers are used for equal potential voltage transmission and also for the reference voltage used to protect the circuit.

2019-07-21 21:32:24 Helpful (0)
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