Connect the UART ports from both devices with a level shifter in between. The level shifter is necessary for the 5v Arduino to 3.3v ESP32.

Arduino core for the ESP32. Contribute to everslick/Arduino-ESP32-1.0.6 development by creating an account on GitHub.

In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and … ...

Watch this practical guide to building a custom ESP32-S3-based OBD2 vehicle dashboard with UART communication, real-time ...

Arduino Integrated Development Environment (IDE) simplifies programming, uploading code, and utilization of ESP32 capabilities, enabling users to incorporate it into their IoT projects with ease.

Bojan Jurca’s open-source Arduino sketch "Esp32_oscilloscope," transforms any ESP32 board to function as a web-based oscilloscope accessible over WiFi. While the Scoppy project demonstrated the ...

The “N” in CAN stands for network, after all. The trick is to create a device ID for each desired CANSerial interface, which is done in his library using the usual Arduino setup step.