ESP32: read a BME280 temperature, humidity, and pressure sensor
Wire a BME280 to an ESP32 over I2C and stream temperature, humidity, and barometric pressure. Better than the DHT22 for anything weather-related.
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Wire a BME280 to an ESP32 over I2C and stream temperature, humidity, and barometric pressure. Better than the DHT22 for anything weather-related.
A complete weather station: BME280 over I2C, ESP32 web server, deep sleep between readings. Battery-powered, weatherproof case, web dashboard.
BME280 + MQ-2 + MQ-135 + ESP32 + OLED = a complete indoor air quality monitor. Temperature, humidity, CO2 equivalent, and combustible gas.
Read a DHT22 or BME280 and serve a live dashboard from a Pico W. The smallest, cheapest way to put a sensor reading on your phone's browser.