HC05 Bluetooth Transceiver Module with TTL Outputs


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SKU: NMHC05 Categories: ,

HC05 bluetooth module is utilized as UART RS232 serial converter module. It can efficiently exchange the UART data through the wireless bluetooth, without complex PCB design or profound learning in the bluetooth programming stack.

This module can be utilized as a part of Master or Slave Mode and simple switchable between these two modes, By default Slave mode is designed.
To setup Wireless Serial Communication, HC-05 Bluetooth Module is most requesting and prominent because of its low cost and to a great degree high highlights.
Modes can be changed utilizing AT Commands. The slave mode in HC-05 can’t start an association with another Bluetooth device, yet can acknowledge the connections. Master mode can start an association with different devices.

HC-05 Specifications:-

  • Profiles: Bluetooth serial port Profile
  • Bluetooth protocol: Bluetooth Specification v2.0+EDR
  • Frequency: 2.4GHz ISM band
  • Modulation: GFSK(Gaussian Frequency Shift Keying)
  • Emission power: ≤4dBm, Class 2
  • Sensitivity: ≤-84dBm at 0.1% BER
  • Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
  • Security: Authentication and encryption
  • Power supply: +3.3VDC 50mA
  • Working temperature: -20 ~ +75Centigrade
  • Dimension: 26.9mm x 13mm x 2.2 mm
Weight 10 g


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1.Bluetooth protocol: Bluetooth Specification v2.0+EDR
2.Frequency: 2.4GHz ISM band
3.Modulation: GFSK (Gaussian Frequency Shift Keying)
4.Emission power: ≤4dBm, Class 2
5.Sensitivity: ≤-84dBm at 0.1% BERCSR Bluetooth Chip Solution
6.Enhanced Data Rate (EDR) compliant with V2.0.E.2 of the specification for both 2Mbps and 3Mbps modulation modes
7.Full Speed Bluetooth Operation with Full Piconet Support and Scatternet Support
8.Incredibly compact with 3.3V input.
9.RoHS Compliant
10.UART interface and with baud rate setup function
11.Support for 8Mbit External Flash Onboard
12.Support for 802.11Co-Existence.
13.Operational range of 8 – 10 meters.
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HC05 Bluetooth Transceiver Module with TTL Outputs