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set-relay.md

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Set Relay using MAVProxy

  1. To open the first relay: relay set 0 1.
  2. To close the first relay: relay set 0 0.
  3. To create a cycle on the first relay: relay repeat 0 COUNT PERIOD
  4. Since there is no physical device to test relay on SITL, there is a special parameter called SIM_PIN_MASK.
  5. Each bit of this parameter contains logical input/output state for individual channels (in SITL, these channels are different than servo outputs).
  6. Before doing relay operations, make sure to set RELAY_PINx (up to 6) to an appropriate value.
  7. For example, RELAY_PIN = 0 means that:
    1. Changing the value of first relay instance will change the 0th bit of the SIM_PIN_MASK.
    2. relay set 0 1 will result to SIM_PIN_MASK = 1.
    3. relay set 0 0 will result to SIM_PIN_MASK = 0.
  8. In real world applications, you need to set RELAY_PINx to an appropriate value as stated in the documentation.