2 layers50.2 × 95.6 mm

Tempmonitor
Tempmonitor/Tempmonitor
Hardware and software for Temp monitor - An open source external system monitor.
43 parts3
KiCad boards from 2 GitHub repositories tagged “vusb”, the most starred first; open any of them in PCBKit.

Tempmonitor/Tempmonitor
Hardware and software for Temp monitor - An open source external system monitor.

miree/tempLoggerNG
Four channel pt-100 temperature logging device using an ADS1248 and an ATMEGA328p with V-USB