DSD TECH HC-05 Classic Bluetooth 2.0 Serial Wireless Module for UNO R3 Nano (Basic Version)
DSD TECH

HC-05 Classic Bluetooth 2.0 Serial Wireless Module for UNO R3 Nano (Basic Version)

$9.99 ★★★★☆4.3(268 reviews)

*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.

The Core module is HC-05 bluetooth 2.0 serial module. By using this HC 05 Bluetooth module , you can quickly add Bluetooth features to your wireless DIY 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 iphone or ipad. If you need to use iphone or ipad to control your DIY project. You may need a Bluetooth 4.0 BLE module (such as SH-HC-08 Bluetooth 4.0 ble module)How to enter the AT command modeWay 1:Step 1…

SpecPicks Verdict

SpecPicks classifies DSD TECH HC-05 Classic Bluetooth 2.0 Serial Wireless Module for UNO… as a solid pick with broad community endorsement in the tabletop & card games category, based on 268 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. DSD TECH's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for tabletop & card games of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Solid 4.3★ customer rating
  • ✓ Backed by DSD TECH's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your DIY 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 Dupont Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module.
  • Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this Bluetooth 2.0 Serial Wireless Module.All questions will be answered within 1 working day.

Full Specifications

BrandDSD TECH
ButtonPress the button, the module enter the AT mode. AT commands are executed only in AT mode.
ConnectivityBluetooth
CompatibilitySwitch, Android
Connection TypeWireless
6 PIN Dupont Cablewith this Dupont Cable, you can easily connect this HC-05 Bluetooth module.
Master and Slave 2-IN-1 HC 05 ModuleWorking Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234

Ready to buy?

DSD TECH HC-05 Classic Bluetooth 2.0 Serial Wireless Module for UNO R3 Nano (Basic Version) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.

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DSD TECH HC-05 Classic Bluetooth 2.0 Serial Wireless Module for UNO R3 Nano (Basic Version)
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