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Review on πŸ”Œ Stemedu USB to ESP8266 ESP-01 Serial Wireless Transceiver, 4MB SPI Flash WiFi Module, ESP-01S Prog WiFi Programmer and Downloader with Reset Button, CH340C Chip by Eric Chapman

Revainrating 5 out of 5

Very simple, eliminate the guesswork of wiring pinout

This programmer module was very easy to use without the hassle of wiring other programmers. Worked flawlessly with my ESP-01 modules.

Pros
  • 🚩 This ESP-01S bootloader uses CH340C chip, added ESP8266 autoboot circuit, it is very convenient for user to download programs, update firmware and to debug.
Cons
  • Can I add something?