2 layers19 × 29 mm

Ltc pad
rfrht/ltc2990
Linear (now Analog Devices) LTC 2990 Quad I2C Voltage, Current and Temperature Monitor driver
4 parts12GPL-2.0
KiCad boards from 2 GitHub repositories tagged “voltmeter”, the most starred first; open any of them in PCBKit.

rfrht/ltc2990
Linear (now Analog Devices) LTC 2990 Quad I2C Voltage, Current and Temperature Monitor driver

megasaturnv/arduino-voltmeter-clock
An Arduino-based clock which displays the date and time with voltmeters

megasaturnv/arduino-voltmeter-clock
An Arduino-based clock which displays the date and time with voltmeters

megasaturnv/arduino-voltmeter-clock
An Arduino-based clock which displays the date and time with voltmeters