Test Water Heater Monitor. Adafruit HUZZAH ESP8266 module, FS300A G3/4 flow sensor, two DS18B20 thermometers, current, and voltage measurement using ADC. Monitors hot and cold water temperatures, hot water usage, current, voltage, and energy usage by th
PulseSensor connected to Arduino Nano along with algorithm code to read pulses from sensor then formulate BPM and send BPM values to NodeMCU ever Minute. and the nodeMCU with Lua firmware waits for BMP data, once received it updates BPM values to ThingSp
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.