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USB to TTL for ESP32, Downloader, M5Stack


ESP32 Downloader Kit is a USB-TTL adapter board for ESP32 /ESP8266, This item contains CP2104/CH9102 chip. It supports one-touch download without chip and pin down resetting manual . Plug-in board and row of pins parts from the set can be so convenient for ESP32/ESP8266 series development board or M5Stack series products for program burning or serial debugging.

Product Features

  • TypeC interface
  • ESP32/ESP8266 program downloader
  • Matching the IO sequence of various M5Stack products, direct plug and burn, no wiring required (UNIT CAM/STAMP series, etc.)
  • Receive/send buffer
  • Compliant with USB2.0 specification


  • 1x ESP32 CAM Downloader
  • 1x ESP32 CAM Pinout Board
  • 1x 2.54-6P female header
  • 2x 2.54-3P row of pins


USB Interface Type TypeC
Baud Rate 300bps to 2Mbps
Supported data formats Data bits: 5, 6, 7, and 8
Stop bits: 1, 1.5, and 2
Parity: odd, even, mark, space, no parity
Buffer 576-byte receive buffer, 576-byte send buffer
Net weight 10g
Gross Weight 11g
Product Dimensions 33 * 16 * 3mm
Package Size 90 * 60mm(static bag)

UART Basic features 

  • Single chip USB to asynchronous serial data transfer interface. Tiny volume
  • Entire USB protocol handled on the chip – No firmware programming require
  • 5V Single Supply Operation and compatible with 3.3V/5V operation voltage.
  • USB 2.0 Full Speed compatible

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