Just finished final details and wanted to share the joy :) ESP32 & RFM9x sensor node/Devkit 2uA IQ 18Vin max onboard temp/humidity sensor & rtc with backup battery. Spring terminals give access to UART, I2C, SPI, VN/VP, 4x GPIO & 4x Analog inputs.








Original article: Just finished final details and wanted to share the joy 🙂 ESP32 & RFM9x sensor node/Devkit 2uA IQ 18Vin max onboard temp/humidity sensor & rtc with backup battery. Spring terminals give access to UART, I2C, SPI, VN/VP, 4x GPIO & 4x Analog inputs.
Author: /u/soubitos