USB-UART CH340 Converter Board

Name: USB-UART CH340 Converter Board
Brand: Soldered Electronics
SKU: SOL-333028

Best price from 1 store

£4.60 GBP

Lowest ever

Best price at The Pi Hut

Priced in GBP — no conversion needed

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52-wk Low

£4.60

Average

£4.60

52-wk High

£4.60

Priceino Verdict

A quick read on fit, value and timing.

A solid, economical choice for standard UART tasks. Its performance is adequate for most hobby projects, but buyers should verify compatibility and quality before purchase.

Good fit for

Arduino hobbyists and prototyping3D printer enthusiasts for firmware updatesESPs and other microcontrollers requiring serial connection

Avoid if

You need high-speed data transfer (over 115200 baud)You require industrial-grade reliability

Where to buy

Prices verified within 48 hours

★ The Pi Hut Best price In stock · Price checked 20 hours ago £4.60 GBP Store currency Buy now

30-day price prediction

Price likely to remain stable over the next 30 days

40%

confidence

Price has been relatively stable over the last 30 days

Currently at all-time low — historically tends to rise after

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About this product

The CH340 USB-UART converter board is a compact adapter that enables serial communication between a computer and microcontrollers or other UART devices. It is ideal for hobbyists, students, and professionals working on projects like Arduino, 3D printers, or ESP8266. It provides a cost-effective solution for programming and debugging.

Key features

USB to UART conversion using CH340 chip
Standard USB Type-A male connector (usually) and pin headers
Operates at 3.3V or 5V logic levels (check jumper settings)
LED indicators for power and data activity (when present)

Pros

Plug-and-play on most operating systems (Windows, macOS, Linux)
Low cost for basic serial communication needs
Widely compatible with Arduino and 3D printer projects
Simple and compact design for breadboard use

Cons

Requires manual driver installation on some systems
May not be suitable for high-speed data transfers
Build quality can vary between manufacturers

Buying advice

Who should consider this product and what to check before buying.

Buy this if you need a budget-friendly USB-to-UART adapter for basic programming or debugging. Ensure your target device supports 3.3V or 5V logic and check the jumper settings on the board. For critical applications, consider a higher-quality adapter.

Price History

Last updated · 1 store

Price Timeline

Key pricing milestones tracked by Priceino.

12 Aug 2026

First tracked

Priceino started monitoring this product

23 Oct 2026

Today — £4.60 · lowest ever

The cheapest we have ever recorded — a great time to buy

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Frequently asked questions

Common questions about buying this product.

Who is this product best for?

It is best for electronics hobbyists, students, and makers who need to connect a computer to microcontrollers like Arduino or ESP boards for programming and serial communication.

What should shoppers check before buying?

Shoppers should verify the logic level compatibility (3.3V vs 5V), the pinout of the board, and ensure they can install the necessary CH340 drivers on their operating system.

What is the best price for USB-UART CH340 Converter Board?

The best current price for USB-UART CH340 Converter Board is £4.60 at The Pi Hut. We track prices daily across multiple stores.

Is now a good time to buy USB-UART CH340 Converter Board?

The price is around the historical average. Check our price history chart for trends.

How often does the price of USB-UART CH340 Converter Board change?

We update prices daily. Use our price history chart to see how the price has changed over time and set a price alert to be notified when it drops.