# USB to TTL module, PL2303HX compatible

> USB to TTL adapter for quick programming of Arduino Pro Mini boards. Offers selectable interface of 3.3VDC or 5VDC, powered at 5VDC via USB, and includes a 500mA resettable fuse. Uses a PL2303HX compatible controller, works natively on Linux, while Windows requires an older driver. Wiring: RX to TX and TX to RX.

- Page: https://sigmanortec.ro/en/usb-to-ttl-module-pl2303hx-compatible
- Price: 7.93 RON
- Availability: In stock; 1-2 zile
- Reference: 22162 · EAN: 5941546782430
- Category: Mechatronics and IoT > Programming
- Package (shipping data): 0.004 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Description

USB to TTL adapter for quick programming of Arduino Pro Mini boards, offers 3.3V or 5V selection for compatibility with various modules, is powered directly from USB at 5V and includes a 500mA regenerative fuse for protection, uses a PL2303HX compatible controller, works on Linux and Windows with older drivers available at Download, the connection is RX to TX and TX to RX.
USB to TTL module, Arduino Pro Mini programmer.
Module used for programming Arduino Pro Mini type development boards.
This module uses a cheap integrated circuit, compatible with PL2303, which works directly on Linux operating systems but requires an older driver version for Windows. You can find the necessary driver in the Download section.
Specifications:
Selectable interface: 3.3VDC or 5VDC
Power supply voltage: 5VDC via USB
Resettable fuse: 500mA
Controller: Compatible PL2303HX (requires older driver for Windows)
Usage:
The RX pin is connected to TX and the TX pin to RX (see image).