MaxxECU V1/RACE and PRO (REV4+) has the ability to use GPO 7 as digital input 3 (DIN 3).
Note: The GPO7/DIN3 has a fixed +5V pullup.
GPO 7 used as digital input 3 (DIN 3) in the above example in Output --> Output config.
In Inputs --> Digital inputs, DIN 3 is now available for usage in MaxxECU.
Where is MaxxECU DIgital input 3 (DIN 3)