HC-05 Bluetooth module
HC-05 Bluetooth module is backordered and will ship as soon as it is back in stock.
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We deliver across Australia, and here are the options (based on your location; view them on the cart page):
- Standard Post: Starting at $7 (6+ business days, with tracking)
- Express Post: Starting at $11 (2+ business days, with tracking)
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- Non-metro WA, NT, SA, and TAS: May take an additional 2+ days.
HC-05 Bluetooth module
Add wireless Bluetooth serial communication to your Arduino or microcontroller project with this HC-05 module. It replaces wired serial connections, letting you communicate wirelessly with phones, computers, GPS modules, and other Bluetooth devices.
Configurable as either master or slave via AT commands, with a default baud rate of 9600 and pairing code 1234. The onboard LED indicates connection status.
Key Features
- Bluetooth 2.0 – Classic Bluetooth with CSR chip
- Master or Slave Mode – Configurable via AT commands
- Serial Replacement – Wireless UART communication
- 10m Range – Class 2 Bluetooth
- Wide Baud Range – 4800 to 1,382,400 bps
- Low Power – 8mA when connected
- Onboard Regulator – 3.3V LDO included
- Status LED – Visual connection indicator
Specifications
- Bluetooth – v2.0 + EDR
- Frequency – 2.4GHz ISM band
- Operating Voltage – 3.3V (2.7V–4.2V)
- Current – 35mA pairing, 8mA connected
- TX Power – +6 dBm
- Sensitivity – -85 dBm
- Default Baud – 9600
- Default PIN – 1234
- Dimensions – 37mm × 15mm
Pinout
- STATE – Connection status
- RXD – Serial receive
- TXD – Serial transmit
- GND – Ground
- VCC – Power (3.3V–4.2V)
- EN – Enable pin
Ideal For
- Arduino wireless serial projects
- Bluetooth remote control
- Wireless data logging
- Phone-to-microcontroller communication
Package Contents
- 1× HC-05 Bluetooth module
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