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header-product USB–UART interface Akyga CH340C 3.3V serial converter
8.49 €

USB–UART interface Akyga CH340C 3.3V serial converter

USB–UART Akyga CH340C 3.3V interface Photo 1
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USB–UART interface Akyga CH340C 3.3V serial converter

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USB–UART interface Akyga CH340C 3.3V serial converter

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Short description

Akyga CH340C USB–UART interface, a 3.3V serial converter based on the CH340C chipset. Provides USB-to-serial communication for connecting microcontrollers, development boards and embedded systems to a PC. Supports standard UART signals at 3.3V logic level, convenient for programming, debugging and data exchange between devices and host computers.
Available for order: 19 pcs.
Warranty: 2 Years
SKU: 11867722
Manufacturer: Akyga
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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
27.07.2026 {{selectedOffer.officeDeliveryString}}
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30.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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From 1.89 €
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Product information

Description

The Akyga CH340C USB–UART interface is a compact 3.3V serial converter designed to provide reliable USB-to-serial communication between a PC and embedded devices. Based on the CH340C chipset, this interface translates USB data to standard UART signals at 3.3V logic levels, making it compatible with a wide range of microcontrollers, development boards and low-voltage peripherals. The module supports basic serial data transfer and can be used for programming, debugging and exchanging data with host applications.

Advantages

The Akyga CH340C interface offers stable USB connectivity and consistent 3.3V logic compatibility, avoiding level-shifting requirements when working with low-voltage devices. Its small form factor and straightforward USB connection simplify integration into development workflows. Driver support for common operating systems ensures broad compatibility with PCs and laptops for immediate use with serial terminals and programming tools.

Suitable for

  • Programming microcontrollers and development boards that use 3.3V UART
  • Serial debugging and logging of embedded systems
  • Data exchange between sensors, modules and a PC
  • Firmware uploads and bootloader communication

Key specifications

  • Logic voltage level: 3.3 V UART
  • Interface: USB to UART serial converter
  • Chipset: CH340C-based USB-UART bridge
  • Signals: TX, RX, GND (and optional control lines depending on module)
  • Form factor: compact module suitable for bench use or integration into prototypes

How to use

Connect the interface to a PC using the USB cable, install the appropriate driver if required by the operating system, and attach the TX, RX and GND lines to the target device using matching 3.3V signal connections. Configure the serial port parameters in your terminal or programming tool to match the target device's baud rate, parity and stop bits. Ensure correct TX↔RX wiring and shared ground before powering the target device to prevent communication issues.

Usage recommendations

Use the Akyga CH340C interface with devices that explicitly operate at 3.3V logic levels; avoid direct connection to 5V UART pins. Verify driver installation and port assignment in the operating system before starting data transfer. For reliable results, keep USB and serial cables short and use proper grounding practices when debugging sensitive circuits.

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Customer reviews

Customer questions

FAQ

How much does the USB–UART Akyga CH340C 3.3V interface cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 27.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Akyga products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Akyga service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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