ESP32 Universal Programmer Board for

The ESP32 Universal Programmer Board is a versatile fixture designed for fixed burn-in testing and development of ESP-12S, ESP-12F, ESP-12E, ESP-07S, and other ESP8266 modules. It supports one-click firmware download and features burn-in mode and serial communication indicators for ease of use. All IO ports are pinned out, allowing it to function as a minimum system development board or for small batch burn-in. The board utilizes the CP2104 serial chip, which requires appropriate drivers based on the operating system.

Specifications of ESP32 Universal Programmer Board

• Compatibility: ESP-12S, ESP-12F, ESP-12E, ESP-07S, and other ESP8266 modules
• Indicators: Burn-in mode (blue light), Serial communication (green light)
• Serial Chip: CP2104
• Minimum System Development Board: Yes
• Firmware Download Function: One-click download support
• Operating System: Requires corresponding CP2104 serial chip driver
• Dimensions: 49mm x 46mm
• IO Ports: All pinned out for development use

How to Use of ESP32 Universal Programmer Board

1. Driver Installation:
   • Download and install the corresponding CP2104 serial chip driver based on your operating system.
2. Firmware Download Tool:
   • Download the flash download tool ESPFLashDownloadTool.
3. Automatic Firmware Download:
   • Insert the module into the fixture.
   • Turn on the power switch.
   • Open the flash download tool, configure the burning parameters, and click "START download" to begin firmware burning.
4. Manual Firmware Download:
   • Insert the module into the fixture.
   • Turn on the power switch.
   • Open the burn-in software and configure the burning parameters.
   • Long press the burn-in button, then short press the reset button.
   • Click "START download" to begin firmware burning.
5. Burn-in Mode:
   • When the burn button is pressed, the blue burn indicator will light up.
   • The IO0 pin of the ESP8266 module will be pulled low, entering burn mode.