Dual Voltage Display with on/off switches
A simple way to measure the voltages of batteries with this dual voltage meter. The casing is 3d printed
Detailed description at http://www.diyblueprints.net/voltage-display-switch/
A simple way to measure the voltages of batteries with this dual voltage meter. The casing is 3d printed
Detailed description at http://www.diyblueprints.net/voltage-display-switch/