Definition
The ESP32 is a versatile microcontroller from Espressif Systems, featuring dual-core processing, built-in WiFi and Bluetooth, and extensive GPIO capabilities. In open-source miners, the ESP32-S3 variant serves as the brain of the device, running the mining firmware (AxeOS), managing the ASIC chip communication, and handling WiFi pool connections.
The ESP32’s low cost, wide availability, and strong community support make it ideal for open-source mining projects. Its WiFi capability eliminates the need for ethernet connections, making setup simple and positioning flexible.
In Simple Terms
A low-cost microcontroller powering open-source miners like Bitaxe. Handles WiFi, firmware, and chip control.
