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Bluetooth HC-08 A45C

Index: MOD-06766

Bluetooth module v4.0. Works with voltage from 2 V to 3.6 V, communicates via serial interface UART (RX, TX pins), supports AT commands. Maximum power of the transmitter is + 4 dBm, sensitivity of the receiver is - 93 dBm.

€4.32
€3.51 tax excl.
Unavailable
Discontinued product
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Manufacturer: OEM

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Specification

  • Supply voltage: axes 2 V to 3.6 V connected to the VCC pin
  • The communication outputs work with a voltage of 3.3 V
  • Current consumption: up to approx. 20 mA
  • Class 2 - transmitter power max + 4 dBm
  • Range: up to 10 m
  • Standard: Bluetooth 4.0 BLE
  • SPP profile with settings via AT commands
  • Communication: UART (RX, TX)
  • Outlet Raster: approx. 1.5 mm
  • Small dimensions: 27 x 13 mm

Simple communication system based on Bluetooth module HC-08 v4.0 BLE. It communicates through the UART serial interface using AT commands.

Connection

To start the module, connect the supply voltage to the pin marked VCC. The module will be detected by the computer as an unknown circuit or HC-08, there is no need to pair the circuits. A virtual COM port will appear in the system, through which data can be transmitted via any terminal. The board has UART serial interface leads - RX and TX pins, which can be connected e.g. to Arduinoorto a computer viaFTDI adapter.

PinDescription
1 TX - UART output, 3.3 V.

2

RX - UART input, 3.3 V.

3

Not connected.

4

NC - Not connected.

5

NC - Not connected.

6

DC - Debugging clock line.

7

DD - Debugging data line.

8

NC - Not connected.

9

NC - Not connected.

10

NC - Not connected.

11

RST - Reset.

12

VCC - Power supply from 2 V to 3.6 V.

13

GND - Mass

14

NC - Not connected.

15

NC - Not connected.
16 NC - Not connected.

17

NC - Not connected.

18

NC - Not connected.

19

NC - Not connected.

20

NC - Not connected.

21

GND - Mass

22

GND - Mass

23

NC - Not connected.

24

PIO13 - LED output.

25

NC - Not connected.

26

PIO12 - Memory clearing.

27

NC - Not connected.

28

NC - Not connected.

29

NC - Not connected.

30

NC - Not connected.

31

NC - Not connected.

32

NC - Not connected.
33 NC - Not connected.
34 NC - Not connected.

Although there are projects in the network where HC-08 is directly connected to 5V pins, e.g. Arduino Uno, for safety reasons we recommend using a3.3V - 5Vconverter.

Communication can be tested by pairing the module with a computer and connecting the board viaFTDI converter. In two windows of the terminal, select appropriate communication ports and specify the transmission speed 9600 bps. If the configuration is correct, the text sent from one terminal will appear on the other.

Configuration of the module is done by popular AT commands, to enter this mode you have to connect EN output up to 3.3 V. Examples of commands are

  • AT- connection testing, in response you get OK.
  • AT+BAUD1- sets the speed to 9600 bps.

Instructions should be sent without line termination sign. More commands can be found inthe documentation.

Check how to connect the device to Raspberry Pi!

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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