rusefi_documentation/Frankenso-VR-Input.md

# Frankenso VR Input

## Typical VR application

For example, 1995 Honda Accord (and most OBD-I Honda vehicle), 2003 Dodge Neon.

![Frankenso set for VR](Images/frankenso_set_for_VR.jpg)

Use Trigger #1 N & Trigger #2 N wires with 0R pull-down configuration for sensor(s) negative side

Use Trigger #1 P & Trigger #2 P wires for sensor(s) positive side

## Bench testing VR configuration

Test 2.1: Expected ground on Trigger #1 N wire

Test 2.2: Expected ground on Trigger #2 N wire

Test 2.3: take an AA or AAA battery, connect Battery+ to Trigger #1 N wire, touch battery- with Trigger #1 P wire a couple of times.
Then flip the battery and hold Battery+ to Trigger #1 P and touch Battery- with Trigger #1 N wire.
Should see event counter in ''triggerinfo'' go up

Test 2.4: take an AA or AAA battery, connect Battery+ to Trigger #2 N wire, touch battery- with Trigger #2 P wire a couple of times.
Then flip the battery and hold Battery+ to Trigger #2 P and touch Battery- with Trigger #2 N wire.
Should see event counter in ''triggerinfo'' go up

Goto board info: [Frankenso VR Input](Hardware-Frankenso#vr-input)