A solar battery charger to charge lithium ion (li-ion) 18650, 9V, and coin batteries and Ni-MH AA and AAA batteries.
Monitoring of a solar installation with two 24V 400W panels in series (morning), two 24V 330W panels in series (afternoon), two Tracer4210AN MPPT controller, two 12V 138Ah battery in series and 24V 5000W inverter. Using Raspberry to decode data
ESP-32/BME280 combo, solar power with LiPo battery. Location: Immelstetten, Bavaria, Germany.
Monitored Solar Voltage, Current, Temperature and Humidity
Monitor and control the homes electrical consumption, heating system and solar.
Monitoring of a solar installation with two 24V 330W panel in serie, Tracer4210AN MPPT controller, two 12V 138Ah battery in serie and 24V 5000W inverter. Using Raspberry to decode controller data and communicate with ThingsSpeak web API
0.4871=12.84 12.82 -0.551 on 8-25-2109 11.57 on 11/282:30p 12-7-2019 11.58 V= 0.4064 13.65 V 0.545 0.343 is 10.4 V minimum calculated
ESP12-E in a solar-powered case, reading temperature, pressure, humidity and current/voltage of Lipo cell. Positioned in direct sun until 17.00. Inner temperature of enclosure might be a problem for the Lipo.
Casanayan Local Weather Sensors. Barometric pressure and temperature