Heltec WirelessBoot System
The document is still under construction…
Wireless Boot is a boot loader system for ESP32 MCU. You can download firmware, exchange information, and print logs through WiFi. Therefor, devices no longer requires a USB-UART bridge, which can reduce the hardware cost of the system and reduce device size.
You can understand it as a special OTA program, but it can running in the devices’ Boot loader
ESP32 WirelessBoot have 3 modes:
Download or upgrade firmware through a webpage;
Directly upgrade and debug devices in the IDE (Arduino, Platform.io, etc.);
Replacing serial ports through WiFi interaction