---
product_id: 77752391
title: "Robocraze Hc05 Bluetooth Transceiver Module with TTL Outputs (with Base)"
brand: "diy retails"
price: "HK$43"
currency: HKD
in_stock: true
reviews_count: 8
category: "Diy Retails"
url: https://www.desertcart.hk/products/77752391-robocraze-hc05-bluetooth-transceiver-module-with-ttl-outputs-with-base
store_origin: HK
region: Hong Kong
---

# 3.6V-6V Wide Voltage Range Bluetooth 2.0 Master/Slave Dual Mode AT Command Configurable with Button Robocraze Hc05 Bluetooth Transceiver Module with TTL Outputs (with Base)

**Brand:** diy retails
**Price:** HK$43
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your DIY game with wireless freedom and total control!

## Quick Answers

- **What is this?** Robocraze Hc05 Bluetooth Transceiver Module with TTL Outputs (with Base) by diy retails
- **How much does it cost?** HK$43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/77752391-robocraze-hc05-bluetooth-transceiver-module-with-ttl-outputs-with-base)

## Best For

- diy retails enthusiasts

## Why This Product

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

## Key Features

- • **Power-Efficient Operation:** Operates smoothly within a 3.6V to 6V range, ensuring reliable performance without draining your power source.
- • **Compact & Lightweight Design:** At just 45x16x5 mm and 2 grams, it fits perfectly into any DIY or professional prototype without bulk.
- • **Plug & Play Arduino Integration:** Includes 6-pin Dupont cable and TTL outputs for instant, hassle-free setup with your Arduino projects.
- • **Seamless Bluetooth 2.0 Connectivity:** Switch effortlessly between master and slave modes to control or connect with a wide range of devices.
- • **Customizable Control at Your Fingertips:** Enter AT mode with a simple button press to fine-tune settings and unlock advanced Bluetooth commands.

## Overview

The Robocraze HC-05 Bluetooth Transceiver Module is a versatile, dual-mode Bluetooth 2.0 device designed for seamless integration with Arduino and other microcontroller projects. Featuring TTL outputs, a user-friendly AT command interface, and a wide operating voltage range, it empowers makers and professionals to wirelessly control gadgets with ease. Compact and lightweight, it’s the essential wireless upgrade for your next innovative build.

## Description

DIY Retails Robocraze Hc05 Bluetooth Transceiver Module with TTL Outputs (with Base) : desertcart.in: Industrial & Scientific

Review: check the appropriate version before buying - very good product, works fine with Arduino uno , though sometimes it got disconnected
Review: Quality - Super products

## Features

- The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module
- HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED
- Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234
- Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.
- 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019OR9YVU |
| Best Sellers Rank | #5,345 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #119 in Robotic Kits & Accessories |
| Box Contents | 1 x Hc05 Bluetooth Module with base |
| Brand | DIY Retails |
| Brand Name | DIY Retails |
| Color | Multicolor |
| Colour | Multicolor |
| Compatible Devices | Desktop |
| Country of Origin | China |
| Customer Reviews | 3.7 out of 5 stars 416 Reviews |
| Data Link Protocol | Bluetooth |
| Hardware Interface | Bluetooth |
| Importer Contact Information | Robocraze, Ground Floor, 912/10 Survey no. 104 4th G street, Chelekare, Kalyan Nagar, Bengaluru - 560043 |
| Item Dimensions L x W x H | 45L x 16W x 5H Millimeters |
| Item Type Name | HC-05 Bluetooth Module |
| Item Weight Unit of Measure | 2 Grams |
| Manufacturer | DIY, Robocraze, Ground Floor, 912/10 Survey no. 104 4th G street, Chelekare, Kalyan Nagar, Bengaluru - 560043 |
| Manufacturer Contact Information | Robocraze, Ground Floor, 912/10 Survey no. 104 4th G street, Chelekare, Kalyan Nagar, Bengaluru - 560043 |
| Packer Contact Information | Robocraze, Ground Floor, 912/10 Survey no. 104 4th G street, Chelekare, Kalyan Nagar, Bengaluru - 560043 |
| Product Dimensions | 45L x 16W x 5H Millimeters |
| Unit Count | 1 Count |
| Warranty Description | 6 months |

## Product Details

- **Brand:** DIY Retails
- **Colour:** Multicolor
- **Compatible Devices:** Desktop
- **Data Link Protocol:** Bluetooth
- **Hardware Interface:** Bluetooth
- **Item Weight:** 2 Grams
- **Product Dimensions:** 45L x 16W x 5H Millimeters

## Images

![Robocraze Hc05 Bluetooth Transceiver Module with TTL Outputs (with Base) - Image 1](https://m.media-amazon.com/images/I/612Fb4y5P6S.jpg)

## Questions & Answers

**Q: does it have protecting covering**
A: Yes

**Q: what is the operating voltage of this module as it is not working at 5V after changing the AT command value.**
A: 5v only

**Q: can this be used as both master /slave module?**
A: Yes,it can

**Q: can audio be transmitted?**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ check the appropriate version before buying
*by S***H on 16 November 2025*

very good product, works fine with Arduino uno , though sometimes it got disconnected

### ⭐⭐⭐⭐ Quality
*by K***. on 29 July 2025*

Super products

### ⭐ Not working
*by A***E on 20 January 2026*

Not working

## Frequently Bought Together

- DIY Retails Robocraze Hc05 Bluetooth Transceiver Module With Ttl Outputs Desktop (With Base)
- Robotbanao Thermoelectric Peltier Cooler or Cooling Module 12V 92W Max - Pack of 1

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/77752391-robocraze-hc05-bluetooth-transceiver-module-with-ttl-outputs-with-base](https://www.desertcart.hk/products/77752391-robocraze-hc05-bluetooth-transceiver-module-with-ttl-outputs-with-base)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-09*