After initially working to create a modernized replica of a Czechoslovakian 4-digit Metra M1T242 voltmeter ... is both a blessing and curse with a DIY meter like this. [Jaromir] has made the ...

This collection of hardware is a diy voltmeter. It can measure up to 17V with 1 microvolt resolution while taking seven samples per second. The LTC2400 ADC board is used to make the measurements ...