Tag: voltage sense

  • Adding Voltage Sensor Capability to V1 & V2 Alexmos Boards

    Try this at your own risk. Advanced soldering skills and soldering iron with an extra fine tip needed.

     

    Required parts

    1 x 10K Resistor
    1 x 33K Resistor

    [product id=”” sku=”ALEXRESIS”]

    Solder one end of the 10k resistor to (-) Negative Battery Supply pad.|
    Solder one end of the 33k resistor to (+) Positive battery Supply pad
    Solder the 2 free end together
    Solder a wire from pin number 19 of the 328 chip to the point where the 2 resistors are soldered together

     

    Location of PIN 19

    atmega328-tqfp-arduino-pinout

     

    Location of PIN 19 shown with the yellow pointer

    DSC01318-2

     

    Completed view

    20131113_194405 20131113_194355 20131113_194453