--- product_id: 77752391 title: "Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable" brand: "diy retails" price: "1071 kr" currency: ISK in_stock: true reviews_count: 8 category: "Diy Retails" url: https://www.desertcart.is/products/77752391-robocraze-diy-retails-hc05-bluetooth-transceiver-module-with-ttl-outputs store_origin: IS region: Iceland --- # 3.6V-6V Wide Voltage Range Bluetooth 2.0 Master/Slave Dual Mode AT Command Configurable with Button Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable **Brand:** diy retails **Price:** 1071 kr **Availability:** βœ… In Stock ## Summary > πŸš€ Elevate your DIY game with wireless freedom and total control! ## Quick Answers - **What is this?** Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable by diy retails - **How much does it cost?** 1071 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/77752391-robocraze-diy-retails-hc05-bluetooth-transceiver-module-with-ttl-outputs) ## 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 - β€’ **Power-Efficient Operation:** Operates smoothly within a 3.6V to 6V range, ensuring reliable performance without draining your power source. - β€’ **Compact & Lightweight Design:** At just 45x16x5 mm and 2 grams, it fits perfectly into any DIY or professional prototype without bulk. - β€’ **Plug & Play Arduino Integration:** Includes 6-pin Dupont cable and TTL outputs for instant, hassle-free setup with your Arduino projects. - β€’ **Seamless Bluetooth 2.0 Connectivity:** Switch effortlessly between master and slave modes to control or connect with a wide range of devices. - β€’ **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 Robocraze HC05 Bluetooth Transceiver Module with TTL Outputs The bluetooth transceiver module is used as UART serial converter module. It can easily transfer the UART data through the wireless bluetooth, without complex pieceB layout or deep knowledge in the bluetooth software stack, you can also connect this bluetooth module with your devices listed below, MCU, ARM or DSP systems, GPS or GSM, Sensor Modules, SOC systems. Personal Digital Assistants (PDAs), computer accessories. HC-05 Bluetooth Module with Breakout Board.. Note: This comes with a tiny push button switch to enable programming. Robocraze HC05 Bluetooth Transceiver Module with TTL Outputs HC-05 module Bluetooth SPP (Serial Port Protocol) module, designed for wireless serial connection setup. It has EDR (Enhanced Data Rate) of 3Mbps Modulation with complete 2.4 GHz radio transceiver and base-band. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH (Adaptive Frequency Hopping Feature). Review: check the appropriate version before buying - very good product, works fine with Arduino uno , though sometimes it got disconnected Review: Not connecting - Not working πŸ˜• πŸ˜‘ and product is in very bad codetion ## 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 | #14,080 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #359 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 | | Customer Reviews | 3.7 out of 5 stars 430 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 | | Manufacturer Part Number | S.ELECT101 | | Model Number | S.ELECT101 | | 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 DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable - Image 1](https://m.media-amazon.com/images/I/612Fb4y5P6S.jpg) ![Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable - Image 2](https://m.media-amazon.com/images/I/419x6nDeZkL.jpg) ![Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable - Image 3](https://m.media-amazon.com/images/I/519VQYQM5xL.jpg) ![Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable - Image 4](https://m.media-amazon.com/images/I/51+hEdbq6JL.jpg) ![Robocraze DIY Retails HC05 Bluetooth Transceiver Module with TTL Outputs (with Base) | Wireless Serial Bluetooth Module for Arduino, Master Slave 2-in-1, AT Command Support with Dupont Cable - Image 5](https://m.media-amazon.com/images/I/51hkgd7bo-L.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 ### ⭐ Not connecting *by P***T on 20 May 2026* Not working πŸ˜• πŸ˜‘ and product is in very bad codetion ### ⭐⭐⭐⭐ Quality *by K***. on 29 July 2025* Super products ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/77752391-robocraze-diy-retails-hc05-bluetooth-transceiver-module-with-ttl-outputs](https://www.desertcart.is/products/77752391-robocraze-diy-retails-hc05-bluetooth-transceiver-module-with-ttl-outputs) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-07-03*