Month: February 2013

  • Using an analog panel meter

    I bought an analog panel meter from electrokit and wanted to test it using an Arduino.My meter (there are other kinds) reacts to current, from zero to 50 μA (0.00005 Amps). So to get it to show 100% (50 μA), I gave it 5 V through a 100 kΩ resistor. I used Ohms law to […]