MaxxECU has digital inputs (DINx) that can be used to trigger certain input functions.
Function to be activated on selected digital input.
Activate depending on input state ON/OFF
Use internal pullup (+5V), to be able to trigger the input when connected to GND.
Digital or VR input.
Note: Not all MaxxECU has this option, depends on MaxxECU hardware revision.
In the above example a simple switch is connected between GND and AIN1 to close the circuit and activates