Using an ESP8266 ESP-01 module and an Arduino Pro Mini 3.3V I wirelessly update all outputs from my thermostat to here for data analysis and because it's cool.
This requires a voltage divided rectifier since thermostats run at least 24 VAC RMS.
Arduino Pro Mini With BMP 085 measuring air pressure DS18B20 sensor measuring external temperature. NRF24L01 transmitting to ESP8266.
Soil moisture for plants stored over winter in basement
Comparativo entre sensor capacitivo e o sensor digital SHT10.
Temp to radiators and temp from radiators.
Measuring outside temp and temp in garage.
© 2018 The MathWorks, Inc.