Heltec WirelessBoot System
Wireless Boot is a boot loader system for ESP32 MCU. It is used for devices that do not have an external USB or serial port. 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,reduce device size, and enhance device protection attributes.
If you only want to upload a pre-compiled firmware, please refer to: