Espressif ESP8266, ESP8285, and ESP32 chips require a specific sequence of events to put them into bootloader mode, ready to accept new software.
The ESPFlasher implements the “ESPFlash” programming header convention in a 1×6, 0.1″ format. It includes a USB-C interface with an onboard 3.3V regulator to power the target device, and connections for GPIO0 and RESET so that it can automatically put the MCU into bootloader mode.
- ESPFlash header format (1×6, 0.1″ version)
- USB-C interface.
- CP2012N USB-to-Serial converter chip.
- 600mA 3.3V regulator.
- Power, TX, and RX activity LEDs.
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