RPM using groov rio

[Beno]

Quick search for ‘hall’ found this post here… It should get you started in selecting and wiring the sensor to the RIO:

Wiring a 3-wire prox sensor to Rio

Here is some connection information for connecting a 3-wire proximity sensor to the Rio channel 0. Here is a link to the prox sensor. IFM model IGS249 WIRING THE PROX TO THE RIO Configure the Rio channel 0 as a 5-30 VDC Digital Input. Connect the Prox BN (brown) wire to the +24VDC power supply. Connect the Prox BK (black) wire to the Rio terminal 1. Connect the Prox BU (blue) AND the Rio terminal 2 to the Common of the 24v supply. [image] EQUIVALENT CIRCUIT IFM provides a wiring dia…