Avatar for oihdesigns

VoltmeterFrontEnd b asOrdered

oihdesigns

A small, open hardware DMM

View on GitHub

Main components

Download full BOM
Part NumberDescription
MAX1683IC REG CHARGE PUMP 2VIN SOT23-5
LM4040DBZ-2.52.500V Precision Micropower Shunt Voltage Reference, SOT-23

VoltmeterFrontEnd b asOrdered schematic

Open in new tab

VoltmeterFrontEnd b asOrdered board layout

VoltmeterFrontEnd b asOrdered PCB render

Top PCB
Bottom PCB