ESP-WROOM-32 and BME280 powerd by a 2000mAh LiPo battery. Sleepcurrent about 11µA. Uptime current about 100mA.

ESP-WROOM-32 on a selfmade PCB-layout with an BME280 sensor. Powered by an 1W 6V Solarcell and a 2000mAh LiPo Battery. The device is up for 1300ms and sleeps 10 minutes. The current while sleeping is about 11µA and at uptime about 100mA.

A hot water recirculation pump controller with self learning from the user pattern using a ESP32 board, based on a statistic data model.

Bedroom temperature & humidity monitored using an ESP32 and a DHT11 sensor

Readings from a PowerBlade power meter through an ESP32 BLE Gateway

Test channel for Weather station experiment

power analyzer

power analyzer

power analyzer

This channel is for monitoring weather conditions and moisture for watering purposes

Indoor background radiation measured with a J305 Geiger-Müller tube in an office in The Netherlands.

estacion ESP32 en habitación para generar un historico de datos de tempera y humedad

Temperatura em casa medida pelo DHT11 e utilizando ESP32

sensor data from ASU

Holgers Weatherlogger in Hagen(Germany).