The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...

Create / access SQLite3 database files using this library through SPIFFS / SD Cards. Install ESP-IDF sdk using instructions from https://docs.espressif.com/projects ...

The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...