Using hardware I2C on an ESP32? Do you need to connect multiple I2C devices with the same address? Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] has ...

🔍 Universal port and I2C device scanner for Arduino, ESP32, and ESP8266 microcontrollers. Automatically detects active ports, connected sensors, and I2C devices with automatic identification. Arduino ...

This small repo is based from other I2C scanners programs but made to be able to run on my DOIT V1 dev kit ESP32. I'm also using PlatformIO to get all the relevant libararies and use from VSCode.

I had one of those why-didn’t-I-think-of-it moments this week, reading this article about multiplexing I2C on the ESP32 microcontroller. The idea is so good, and so simple, that it’s almost silly that ...

16 channels, Toshiba PHOTORELAY 100V no clicking, no signal bounce. Switch signals on/off, 2 Amps DC or AC using I2C bus. IO extender PCF9535 Allows many devices on single bus ( > 100 channels). Uses ...

The ESP32 is an incredibly versatile chip that comes in all kinds of forms and devices. From smart "Now Playing"-style displays to security systems, it can do a whole lot. For those with a supported ...