ESP8266 Firmware Downloader Flash Download Tool Test Board Code Burner for ESP8266 ESP-01S01 ESP-0707S ESP-12E12F12SF

About pin header color, it has blue or yellow, we send it by ramdon. Description: This board is suitable for firmware burning test of modules such as ESP8266 ESP-01S/01 ESP-07/07S ESP-12E/12F/12S/F All IO ports have been exported and can be used as a minimum system development board or a small batch burning fixture. The board supports firmware one-click download function and adds programming. Mode indicator (blue light) and serial communication indicator (green light). Notice: The module supply voltage is 3.3V DC and the current is 500mA or more. Wi-Fi module IO maximum output current is 12mA. Wi-Fi module NRST pin is active low; EN enable pin is active high. The Wi-Fi module enters the upgrade mode: GPIO0 is at a low level, then the module is reset and powered on; the Wi-Fi module enters the normal working mode: GPIO0 is at a high level, and the module is reset and powered. The RXD of the Wi-Fi module is connected to the TXD of the external MCU, and the TXD of the Wi-Fi module is connected to the RXD of the external MCU. Package Includes: 1 X ESP8266 Code Burner Firmware Downloader "