TCA9548A I2C Multiplexer Why: Enables multiple I2C devices (CCS811, BH1750, OLED) to share two pins (SDA/SCL), freeing GPIO resources. Cost-effective at ~5–10 SEK per unit. Considerations: Requires ...

Board ESP32, M5Stack, M5Stick etc. Device Description ESP32 Dev Module, M5STACK Core, M5Stick C and other Hardware Configuration I2C0 Slave Mode, SDA=GIO21, SCL=GPIO22 Version v2.0.14 IDE Name Arduino ...

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… ...

Bojan Jurca's "Esp32_oscilloscope" is an open-source Arduino sketch that can transform an ESP32 board into a web-based oscilloscope that works over WiFi.

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Who Won and Lost in Trump’s Tax Bill Scientists tracking ‘interstellar’ object that has come ...

The purpose of this work is to present three methods of data transmission using two acquisition boards (ESP32 Node MCU and Arduino UNO) and two design platforms (Labview and Blynk). With the help of ...