4 layers100 × 50 mm

Chronolog
slemanz/chronolog
STM32-based temperature data logger with RTC, NOR flash storage, LCD and Wi-Fi. Hardware and firmware.
95 parts5
Open-source boards designed in KiCad by slemanz on GitHub, from 2 repositories. A board’s address here is its repository’s there.

slemanz/chronolog
STM32-based temperature data logger with RTC, NOR flash storage, LCD and Wi-Fi. Hardware and firmware.

slemanz/nina-project
Integrated hardware and firmware solution for a data acquisition device based on the u-blox NINA-B306 (nRF52840) Open CPU.