It's a custom PCB that I made, it's connected via I2C to MC3419 (accelerometer) and MAX17055 (battery fuel gauge). Then with "PWM" it's connected to AL1783 (led driver), and with a mosfet for running ...

ESP8266 is a wifi module used to upload sensors data over to web server. We will discuss its pinout & and will upload data to server. I have recently worked on this giant module ESP8266 which is ...

Want instant SMS alerts from your ESP32 without relying on a bulky GSM module? Whether it's motion detection, a sudden temperature spike, or an unauthorized locker door opening, your ESP32 can now ...

If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’] latest video (see below). In it, he shows an example of using all three ESP32 UARTs from an Arduino ...

In the old days, a serial port often connected to an acoustic coupler that gripped a phone handset and allowed a remote connection to a far away serial port (via another phone and acoustic coupler) at ...