Rainwater tank monitor with battery powered ESP32 and ultrasonic sensor

Current sampling on electric kiln provides a 'signature' curve for each firing. Data acquired/uploaded using ESP32 (NodeMCU). Data checked and Visualisations pulled by a mobile app (MIT AppInventor2).

Shake Data

Tortoise heating and ventilation

Temp Monitor for Mini

Car Battery Voltage Monitor (Accurate Version)

This simple array monitors changes in air quality from a Molekule Air Mini. Data is collected using Raspberry Pi Pico W, BME280, and an SGP40 connected via I2C.

Solar monitor station

Bee hive monitor #2

OLED Room&Heater Temp Istanbul

0.4871=12.84 12.82 -0.551 on 8-25-2109 11.57 on 11/282:30p 12-7-2019 11.58 V= 0.4064 13.65 V 0.545 0.343 is 10.4 V minimum calculated

A NodeMCU with 3 DS18B20 monitors the temperatures (T[o, T[u]) of a storage tank, heated by a combination of oil boiler, wood boiler and solar panels, the temperature of the wood boiler (T[HV]), and the temperature of the exhaust gas (T[Ag].

Meassure CO2 level and temperature in my house

Monitored conditions using DHT22 of garden at SunnySide with internal temperature, humidity, light intensity and pressure with wind speed to follow

Radiation Monitor