Uses Raspberry Pi with Dallas DS18B20 sensors and BMP180 for pressure. Uses udp comms to Wemos D1 mini for switching relays for pump and pond heater. Monitors Koi pond temperature and shack (with water pipes in loft) sending email and ThingTweet update

Wemos D1 Mini TCP server with Dallas ds18b20 sampling temperatures updating via TCP over local in each location Raspberry Pi5 calls for temperature every 30 minutes (crontab), writes to a MySQL database and sends to Thingspeak.

Fiddling with 2 off uninsulated matte black domestic flat radiator panels heating a 7,000 litre swim spa. WEMOS D1 running DS18B20 1-wire sensors switching on a small pump when solar output exceeds spa temperature by 1 deg C. Total area 1.2 sq M, 700 W

Canal pour visualiser la température lue via DS18B20

Designing electronics circuits

Lennuksen järviveden lämpötila

Monitoring inlet, outlet, and ambient temperatures of a solar collector.

CONTROL PROPORCIONAL DE TEMPERATURA CON CONEXION A LA NUBE

Exterior temperature measured with DS18B20. 2022-2023 winter season

Meranie vykonávajú mikrokontroléry s čipom ESP8266-12 pomocou snímačov DS18B20.

ESP8266 Lua NodeMcu Amica CP2102 WIFI modul. Od 1.1.2019 druhá jednotka ESP na kanálu 666580

Temperature data from a DS18B20 sensor connected to an ESP32. This channel monitors fridge temperatures in real time and logs them for historical analysis.

Recepcion de parametros del sensor DHT22 y DS18B20

Monitoring of room temperature via IOT

Wemos con sensor de temperatura one wire DS18B20