---
product_id: 31043853
title: "DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino"
brand: "dsd tech"
price: "£10.40"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/31043853-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless
store_origin: GB
region: United Kingdom
---

# Bluetooth V2.0 SPP 3.6V-6V power range 9600 baud rate DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino

**Brand:** dsd tech
**Price:** £10.40
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect, Create, Conquer!

## Quick Answers

- **What is this?** DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino by dsd tech
- **How much does it cost?** £10.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/31043853-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless)

## Best For

- dsd tech enthusiasts

## Why This Product

- Trusted dsd tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Design:** Lightweight at just 9.07g, perfect for portable projects.
- • **Dual Functionality:** Master and slave modes for versatile connectivity.
- • **Broad Compatibility:** Works seamlessly with tablets and smartphones (excluding iOS).
- • **User-Friendly Setup:** Easily switch modes with AT commands and a simple button press.
- • **Customizable Settings:** Set your own pin and baud rate for tailored performance.

## Overview

The DSD TECH HC-05 Bluetooth Serial Pass-through Module is a versatile wireless communication tool designed for Arduino enthusiasts. It features a dual-functionality Bluetooth module that operates in both master and slave modes, ensuring seamless connectivity with a variety of devices. With a compact design, user-friendly setup, and customizable settings, this module is perfect for innovative projects that require reliable wireless communication.

## Description

DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino

## Features

- Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported
- Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
- Module working voltage 3.6 V to 6V
- Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE
- Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Data Link Protocol | Bluetooth |
| Compatible Devices | Tablet, Smartphone |
| Hardware Connectivity | Bluetooth |
| Item Weight | 9.07 g |
| Item Dimensions L x W x H | 1.1"L x 0.6"W x 0.1"H |
| Color | multicolor |

## Product Details

- **Brand:** DSD TECH
- **Hardware Interface:** Bluetooth
- **Color:** multicolor
- **Compatible Devices:** Smartphone, Tablet
- **Product Dimensions:** 1.1"L x 0.6"W x 0.1"H
- **Data Link Protocol:** Bluetooth
- **Data Transfer Rate:** 1382400 Bits Per Second
- **Item Weight:** 9.07 g
- **Manufacturer:** DSD TECH

## Images

![DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino - Image 1](https://m.media-amazon.com/images/I/61CU5YmBsEL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/31043853-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless](https://www.desertcart.co.uk/products/31043853-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-15*