ESP-01/ESP-01S CH340 USB Programmer with Switch

Tired of holding down a button every time you want to flash your ESP-01 or ESP-01S? This little adapter takes care of that for you. It uses the CP2104 USB-to-serial chip along with an auto-download circuit, so your module drops into flash mode automatically — just plug in, hit upload, and you're good to go.

It plays nicely with all the usual tools — Arduino IDE, ESP8266 Flasher, and Lexin's FLASH_DOWNLOAD_TOOLS — so whether you're a first-timer flashing your very first "Hello World" or you're constantly tweaking firmware on a stack of ESP-01s, this adapter takes the fiddly part out of the process.

What it does:

• Plugs your ESP-01 / ESP-01S straight into USB for programming
• CP2104 chip handles the USB-to-serial conversion
• Auto download mode — no manual button-holding to get into flash mode
• Works with Arduino IDE, ESP8266 Flasher, and FLASH_DOWNLOAD_TOOLS
• Handles firmware flashing, updates, and serial debugging

Great for:

• Anyone building ESP8266 projects who's tired of the "button dance"
• Quick firmware updates without extra fuss
• IoT tinkering, prototyping, and general ESP-01/01S experimentation

What's in the box?

1 x ESP-01/ESP-01S CH340 USB Programmer with Switch

• Availability: Out of Stock
  
• Model: CH340 USB Programmer
• Brand: