Powered by the genuine CH340 chipset, this usb to ttl serial adapter ensures stable and reliable signal conversion between your computer and microcontrollers for programming, debugging, and data monitoring tasks.
Supports both 3.3 volt and 5 volt logic levels with an easy-to-use jumper switch, making it compatible with a wide range of development boards including Arduino, ESP8266, ESP32, STM32, Raspberry Pi, and 51 or STC series microcontrollers.
Built-in protection circuits guard against over-current, reverse polarity, and short-circuit conditions, effectively safeguarding your computer's usb port and connected target boards from accidental wiring errors or power surges.
Features a red power indicator led and independent green txd and rxd communication leds that blink during data transmission, providing instant visual feedback on power status and data activity for efficient troubleshooting.
Supports a broad baud rate range from 50 bps up to 2 mbps, handling everything from low-speed sensor polling to high-speed firmware flashing, ideal for 3d printer upgrades, router recovery, iot projects, and various maker applications.