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HC-05 Bluetooth Module (Wireless Serial Communication)
Popular HC-05 Bluetooth module for wireless serial communication, ideal for Arduino, robotics, and DIY electronics projects.
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Description
The HC-05 Bluetooth Module is a widely used wireless communication module that enables Bluetooth serial communication between microcontrollers and smartphones or computers. It supports both Master and Slave modes, making it more flexible than HC-06 modules.
This module operates on Bluetooth v2.0 + EDR, provides stable data transmission, and is easy to configure using AT commands. It is fully compatible with Arduino UNO/Nano, ESP (via UART), Raspberry Pi, and other microcontroller platforms, making it ideal for robotics, IoT prototypes, wireless control systems, and learning projects.
| Parameter | Value |
|---|---|
| Module Type | Bluetooth Serial Module |
| Model | HC-05 |
| Bluetooth Version | v2.0 + EDR |
| Operating Voltage | 3.6V – 6V |
| Logic Level | 3.3V (RX) |
| Communication | UART (Serial) |
| Baud Rate | 9600 (default) |
| Range | Up to ~10 m |
| Modes | Master / Slave |
Additional information
| Weight | 6 g |
|---|---|
| Dimensions | 38 × 16 × 5 mm |
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