USB Interface Module

– Compact CH340 USB to TTL serial adapter for Arduino, ESP8266, and embedded projects
– CH340G chipset for stable USB-to-serial communication
– Selectable 3.3V or 5V TTL logic levels via jumper
– Mini USB connector with TX/RX indicator LEDs for real-time activity
– Plug and play support for Windows, macOS, and Linux
– Breadboard-friendly dimensions and easy debugging for makers in Islamabad