ESP8266 ESP-01/01S USB Programmer Downloader, Auto Firmware Flash Tool

The ESP8266 ESP-01/01S USB Downloader (ESP LINK V1.0 with CH340C) is a convenient programming and flashing tool designed for the ESP-01 and ESP-01S Wi-Fi modules. It features USB-to-UART conversion and an auto-download circuit, which allows users to program, upgrade firmware, and debug via serial without any manual button pressing or additional wiring.

Product Description

This downloader supports easy, one-click programming for ESP-01/01S modules. Built with the CH340C USB-to-serial chip, it automatically puts the module into download mode, streamlining firmware upgrades and serial debugging. Compatible with major flashing tools like Arduino IDE, ESP8266Flasher, and Espressif Flash Download Tools, it eliminates the need for manual reset or wiring. The device supports both 3.3V and 5V ESP-01 modules, making it widely useful for prototyping and development.

Features

• USB to UART using CH340C chip for fast connectivity.
• Automatic reset and download mode activation—no need to press buttons.
• Supports Arduino IDE, ESP8266Flasher, Espressif Flash Download Tools.
• Works with both 3.3V and 5V modules.
• Simplifies the firmware update and debugging process.
• No extra wiring required—just plug and program.