SparkFun Forums

[Jchidley]

Using the can shield, how does one do this? I would like to pull some data and convert it to voltage for some gauges.

[darrellg]

Read the value from the CAN bus, then use analogWrite() to PWM the gauge. In between, you can use the map() function to scale the value.

https://www.arduino.cc/en/Reference/AnalogWrite
https://www.arduino.cc/en/Reference/Map