In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, along ...

With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth.

Espressif's ESP32 line has expanded far beyond the original dual-core Wi-Fi/Bluetooth chip that first popularised low-cost IoT. What started as a chip ubiquitous in smart home technology has grown to ...