POEM Environmental Recorder with BME280, and PMSA003 sensors.
Raspberry Pi Pool Monitor Project - Temperature degC, and Filter Load kPa
Arduino based geiger counter w/ SBM-19 geiger tube, UV sensor and BME280 Temp/Humidity/Pressure.
ESP-01/BME280 powered by 2x 1.5V AA-Cells + 470uF Capacitor; 300s-SensorReadOut Interval with DynamicAverage calculation; 900-3600s dynamic ChannelUpdater Interval (Runtime optimization in relation to the remaining power)
IdeaSpark weather station kit located in polycrub at Kathleen's
Solar Powered WiFi Weather Station V2.32 Bielany, Warsaw, Poland.