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steering_angle_sensor:start

Wheel Angle Sensor

is required by AGOpenGPS, you need something like:

https://www.ebay.at/itm/Suspension-Ride-Height-Sensor-Turn-Rate-Sensor-Delphi-fits-08-11-Cadillac-CTS-/112418146972?clk_rvr_id=1375528686940&rmvSB=true

or

https://www.rockauto.com/en/catalog/cadillac,2009,cts,3.6l+v6,1442758,suspension,ride+height+sensor,17137

you can find such sensors in every car for height controll of lights or for suspension. most of them have 3-6 connectors.

or something like a linear potentiometer running at 5 v.

https://www.conrad.at/de/hallsensor-tt-electronics-ab-9168000010-5-vdc-messbereich-45-45-stecker-amp-182865.html

knuckles Installation:

Most of these Sensor have connectors like this:

  • 1: +
  • 2: -
  • 4: Signal

Delphi ER10031 Pinout (Looking from the top of the unit, connector facing the rear)

  • Left Pin: +5V supply
  • Middle Pin: Signal
  • Right Pin: Ground

Princess auto headlight level sensor (2012 Camaro) pin out:

  • With tab up
  • 1: +5V in
  • 2: signal out (low V at rest)
  • 3: -GND

connect it like in the jpg to 5V, GND, and AO


Using a 16 bit ADC to read the Wheel Angle Sensor

There are some Advantages to read the Wheel Angle Sensor with a 16-bit Analog-Digital-Converter (ADC) like the ADS1115, instead of the 10bit one, inside most of the Arduinos.

ADS1115 external connected via I2C

- More Counts per degree allows more precise Steering.

- The Ability of the ADS1115 to read the Signal in a Differential Mode allows you to read Factory Installed Sensors, which are connected to the Tractor, in a Ground floating Way, this prevents setting fault codes in the tractor software. Differential means the ADS just measures the difference between two wires, not between Arduino Ground and a wire.

Schematics and Code at http://github.com/Coffeetrac (the Hires version)


steering_angle_sensor/start.txt · Last modified: 2019/04/29 08:27 by jaw896