> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# USB to TTL Serial UART RS232 Adaptor (PL2303TA)

**Type:** Product page · **SKU:** 018-USB-PL2303HX · **Brand:** [Core Electronics](https://core-electronics.com.au/brands/core-electronics-australia)
**Page:** https://core-electronics.com.au/usb-to-ttl-serial-uart-rs232-adaptor-pl2303hx.html ([markdown](https://core-electronics.com.au/usb-to-ttl-serial-uart-rs232-adaptor-pl2303hx.html.md))

USB to TTL converters are essential for prototyping - they provide a direct interface with the target device. This module connects to your computer USB port and there are 4 wires which connect with your target device.

## Pricing

- **Price:** $5.65 (inc GST) — $5.14 AUD, exc GST
- **Quantity discounts:** 10+ $4.62 (exc GST) · 50+ $4.36 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 29 today; more stock is typically available with a 8–12 day lead time.

## How to buy

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- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

USB to TTL converters are essential for prototyping - they provide a direct interface with the target device. This module connects to your computer USB port and there are 4 wires which connect with your target device. *NOTE: This product may come in a black or blue variant and are functionally identical. Please also note that RS232 conversion, in this case, doesn't have the true voltage doubler/inverter and as such isn't compatible with some RS232 standardized devices if you're looking for [a converter that does please look here](https://core-electronics.com.au/usb-serial-converter-ft232rl.html)*

### Features:

- Fully enclosed professional finish.
- Built-in PL2303TA USB to Serial Controller
- Designed to be used for USB to TTL electronic projects
- TTL interface output, easy to connect to your MCU
- Dual 3.3V and 5V Power output (by Changing the red wire termination)
- Can independantly power the circuit with 5V or 3.3V
- Compact design
 
### Operation:

- Red - power. This pin provides up to 500mA current. YOU MUST NOT use other power supplies if you choose to power the target device with this Adaptor.
- Black - ground (always needed, regardless if the Adaptor is powering the target device or not)
- White RX (3.3V, which is compatible with 5V logic)
- Green TX (3.3V, which is compatible with 5V logic)
 
### 3.3V and 5V Selection:

Open the plastic case (twist the USB connector and then evenly pull apart the plastic case) and change the red wire termination from the pad marked 5V or 3V3.

### Supports the following Windows OS

- Windows 98SE
- Windows ME
- Windows 2000 SP4
- Windows XP SP2 and above (32 & 64 bit)
- Windows Server 2003 (32 & 64 bit)
- Windows Server 2008 / 2008 R2 (32 & 64 bit)
- Windows Vista (32 & 64 bit)
- Windows 7 (32 & 64 bit)
- NOTE: For Windows 7, please use RC build 7100 or above.
- Windows 8, 8.1, & 10
 
### Downloads

- [Old Driver Software](https://core-electronics.com.au/custom_files/attachments/PL2303HX_Driver.zip)
- Current Driver Software

## Guides for this product

- [Use a ESP32-CAM Module to Stream HD Video Over Local Network](https://core-electronics.com.au/guides/wireless/esp32-cam-set-up/)
- [Programming with USB-Serial Converters](https://core-electronics.com.au/guides/digital-electronics/programming-with-usb-serial-converters/)

## Videos for this product

- [Use a ESP32-CAM Module to Stream HD Video Over Local Network](https://core-electronics.com.au/videos/use-a-esp32-cam-module-to-stream-hd-video-over-local-network)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/e/device19_1000.jpg)