solarni spremnici 2x1000l, 4 reparirana kolektora

4 x 65W solar panels in series, Arduino as a sensor board and data upload handled by a ESP8266.

Ujuzi na Ufundi Vocational Training Institute SOLAR PHOTOVOLTAIC POWER PLANT, 1 Victron Quattro 48/10000 Monitoring only during business hours

Garden Solar Fountain controlled by ESP Easy

Temperatura del termotanque solar

Uber Solar Water Heater, Complete High Pressure System 18 EVT 100 Litres Close Coupled Thermosiphon. Collector is facing South West at 7 deg slope to horz, with a slight tilt towards North West to aid the thermosiphon.

Horizon Energy's 100kW Cupar project. Check out our weather!

solar thermal collector system monitoring

Solar water heating system. Direct coupled separate vac tube array connected to a well insulted 150 litre Geyser using natural thermo-siphon for heat transfer. Electric element backup is connected with timer set on from 18h00 to 20h00.

solar panel monitoring system

ESP-WROOM-32 and BME280 powerd by an 6V 1W Solarpanel with an 2000mAh LiPo. The device is up for 1300ms and sleeps for 10 minutes. Current while sleep is about 11µA, and at uptime about 100mA.

ESP-WROOM-32 and BME280 powerd by a 2000mAh LiPo battery. Sleepcurrent about 11µA. Uptime current about 100mA.

ESP-WROOM-32 on a selfmade PCB-layout with an BME280 sensor. Powered by an 1W 6V Solarcell and a 2000mAh LiPo Battery. The device is up for 1300ms and sleeps 10 minutes. The current while sleeping is about 11µA and at uptime about 100mA.

My hybrid solar home project.

Raw values taken from Solar Analysis on channel 123452. Temperature and humidity are measured under a solar geyser on the roof.