--- product_id: 48472913 title: "DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino" brand: "dsd tech" price: "FREE" currency: RON in_stock: false url: https://www.desertcart.ro/products/48472913-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless store_origin: RO region: Romania --- # 3.6V-6V Power Bluetooth V2.0 AT Command Control DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino **Brand:** dsd tech **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🚀 Elevate Your Projects with Seamless Bluetooth Connectivity! ## 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?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/48472913-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 - • **Dual Functionality:** Master & Slave Modes for Versatile Connectivity - • **User-Friendly Setup:** Easily switch modes with AT commands and a simple button press - • **Reliable Performance:** Utilizes CSR BC417 chip for stable wireless communication - • **Robust Compatibility:** Works seamlessly with Arduino for endless project possibilities - • **Effortless Configuration:** Default settings for quick start; customize as needed ## Overview The DSD TECH HC-05 Bluetooth Serial Pass-through Module is a versatile wireless communication tool designed for Arduino enthusiasts. It features dual master/slave functionality, operates within a voltage range of 3.6V to 6V, and utilizes the reliable CSR BC417 chip for stable connections. With user-friendly AT command setup, this module is perfect for both beginners and seasoned developers looking to enhance their projects. ## Description The Core module is HC-05 bluetooth 2.0 module. By using this Bluetooth module, you can quickly add Bluetooth features to your arduino project. 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. Please note: This is a classic Bluetooth 2.0 module, it is not compatible with ipad If you need to use ipad to control your arduino project. You may need a Bluetooth 4.0 ble module (such as SH-HC-08 Bluetooth 4.0 ble module) Package List 1 X HC-05 Module with Plastic cover 1 X User guide About warranty DSD TECH offers one year warranty and lifetime technical support ## Features - Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices 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 | |---------------|-------| | ASIN | B01G9KSAF6 | | Brand Name | DSD TECH | | Color | Black, Green, Silver | | Customer Reviews | 4.3 4.3 out of 5 stars (846) | | Data Link Protocol | Bluetooth | | Data Transfer Rate | 1382400 Bits Per Second | | Hardware Interface | Bluetooth | | Item Weight | 0.02 Pounds | | Manufacturer | DSD TECH | | Manufacturer Part Number | sh-hc-05-us | | Model Number | HC-05 | | Number of Items | 1 | ## Product Details - **Brand:** DSD TECH - **Colour:** Black, Green, Silver - **Data link protocol:** Bluetooth - **Data transfer rate:** 1382400 Bits Per Second - **Hardware interface:** Bluetooth - **Item weight:** 0.02 Pounds - **Manufacturer:** DSD TECH - **Number of items:** 1 ## 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) ## Questions & Answers **Q: Are there apps for controlling this on IOS?** A: ArduinoBlue app works fine. Pairing it to a phone is very straightforward. You need this module to talk to a microcontroller for it to be able to do anything useful though. **Q: Could i use this to control 2 stepper motors from a uno r3 board?** A: You can't control the motors directly with this but you can use the bluetooth module to communicate between the Uno and the stepper motor control shield for control purposes. **Q: does this work with an elegoo uno r3 ?** A: this hc-05 bt module work with arduino uno r3 , pro min ,nano . **Q: can this device scan for or create BLE beacons?** A: Yes but with very limited distance range. ## Frequently Bought Together - DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - HiLetgo 3pcs GY-521 MPU-6050 MPU6050 3 Axis Accelerometer Gyroscope Module 6 DOF 6-axis Accelerometer Gyroscope Sensor Module 16 Bit AD Converter Data Output IIC I2C for Arduino --- ## 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.ro/products/48472913-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless](https://www.desertcart.ro/products/48472913-dsd-tech-hc-05-bluetooth-serial-pass-through-module-wireless) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-10-11*