Description
Product Description
The CH340C Micro-USB to TTL Serial Module is a versatile and cost-effective solution for establishing a reliable serial link between your computer and microcontroller. Utilizing the advanced CH340C chipset, this module features an internal clock oscillator, eliminating the need for an external crystal and resulting in a more compact, vibration-resistant board design.
Equipped with a standard Micro-USB port, it allows you to use the same common cables found with smartphones and modern electronics. The module is a “must-have” for developers, providing a bridge for uploading code, debugging terminal outputs, and flashing firmware. With an onboard jumper to switch between 3.3V and 5V logic, it is fully compatible with a wide range of hardware, from classic Arduino boards to modern, low-power ESP32 and STM32 systems.
Key Features
- Integrated CH340C Chipset: High-performance USB-to-serial conversion with an internal oscillator for improved stability and a smaller footprint.
- Universal Micro-USB Interface: Convenient connectivity using standard Micro-USB cables—no specialized adapters required.
- Dual-Voltage Versatility: Easy-to-use jumper allows you to toggle the VCC and logic levels between 3.3V and 5V to match your project’s requirements.
- Onboard Status LEDs: Includes Power (PWR), Transmit (TX), and Receive (RX) indicators for instant visual debugging and data flow confirmation.
- Built-in Fuse Protection: Features a self-restoring fuse to safeguard your computer’s USB port against accidental overcurrent or short circuits.
- Full Pinout Access: Provides all essential pins (3.3V, 5V, TXD, RXD, GND, and DTR) for standard serial communication and “Auto-Reset” programming.
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