In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie ... to bother with. The DIY Walkie-Talkie circuit diagram.

While some details haven’t been finalized yet, the basic elements include an ESP32-S3 system-on-a-chip combined with a small E Ink display and a custom printed circuit board with a QWERTY keyboard.

That mouthful is an accurate description of what it does: at the heart of the device is an ESP32 that uses WiFi to connect to a Raspberry Pi. It then telnets into the system, logs in, and requests ...

In the past decade, the explosion of DIY electronics environments around items like Arduino circuit boards, the Raspberry Pi microcomputer, and ESP32 microcontrollers have helped make virtually ...