Solar water heating system.
30 x 58mm evacuated tubes, facing south. 180l tank. Sussex, UK.
The tank is also heated by a woodstove, oil boiler or by electric immersion heater.
A 3 square metre evacuated tube solar hot water system mounted on a roof with 20deg inclination and South orientation.
Monitors the pool and air temperature using an Arduino Pro Mini, ESP8266 WiFi chip, and a couple of DS18B20 temperature sensors.
Samples the temperatures every 2 minutes and then transmits the median value from the last 5 readings every 10 minutes.
Temperature monitoring at home and work using RPi and temp sensors
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