
Component
CH340G USB to Serial
The CH340G is a cost-effective USB to Serial TTL converter IC, perfect for interfacing microcontrollers like Arduino with a PC via USB. It provides a reliable serial communication bridge using minimal external components.
₹60.00
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₹60.00
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About CH340G USB to Serial
The CH340G is a USB bus adapter chip designed by WCH (WinChipHead) that converts USB signals to serial UART interfaces. It is a popular, low-cost alternative to FTDI chips, commonly used to provide USB connectivity to microcontrollers such as Arduino Nano, ESP8266, and various development boards. This IC operates at full-speed USB 2.0 and supports standard RS232 serial protocols with baud rates up to 2 Mbps. It requires only a crystal oscillator and a few capacitors to function, making it ideal for compact designs. The CH340G is widely used in programming adapters, industrial control systems, and USB-to-TTL modules. Choosing this component ensures reliable communication and significant cost savings for hobbyists and professionals alike.
Technical Specifications
| Chipset | CH340G |
|---|---|
| Interface | USB to Serial UART |
| USB Compatibility | USB 2.0 (Full-speed) |
| Baud Rate | 50 bps to 2 Mbps |
| Operating Voltage | 5V DC |
| Package Type | SOP-16 (Surface Mount) |
| Logic Levels | TTL (3.3V/5V compatible depending on module) |
| External Components Required | Crystal oscillator and 4 capacitors |
| Protocol | Serial, Parallel (Note: CH340G supports Serial only) |
Alternative Components
FT232RL
CP2102
PL2303
MAX232









