Tiendo- Light switch (hit note) includes: electricity supply 5v 1a, Arduino pro mini, Nrf24l01, relay 5v10a, relay 3v3a.
5v10a relay x 2
3v3a relay has error handling function for Nrf24l01. When Nrf24l01 is having problems, relay 3v3a will turn off Nrf24l01 3 seconds, then turn on Nrf24l01 again. Because Nrf24l01 has no restart pins.
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