Bluetooth 4.0 BLE module - HM-10 / AT-09 - MLT-BT05 - 3.3V / 5V

Index: MOD-09515 EAN: 5904422313524

Bluetooth v4.0 module. It works with voltage from 3.6 V to 6 V, it communicates over a serial UART interface (RX, TX pins), it supports the AT command. Maximum transmitter power is +6 dBm, the receiver sensitivity is -23 dBm. The module can be powered with the voltage from 3,6 V to 6 V, however UART interface works only with 3,3 V.

Bluetooth 4.0 BLE module - HM-10 / AT-09 - MLT-BT05 - 3.3V / 5V
€11.50
€9.35 tax excl.
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Manufacturer: OEM

Description

A simple system of communication based on the Bluetooth HM-10 v4.0 BLE module. Communication is via the serial UART using AT command. The module can be powered with the voltage from 3,6 V to 6 V, however UART interface works only with 3,3 V.


Specification

  • Supply voltage: from 3.6 V to 6 V connected to the VCC pin
  • Current consumption: up to approx. 20 mA
  • Transmitting power: max. + 6 dBm
  • Range: up to 10 m
  • Standard: Bluetooth 4.0 BLE
  • Communication: UART (RX, TX)
  • Pitch of pins: approx. 1.5 mm
  • Small size: 40 x 15 mm

Connection

To start the module, you must connect the supply voltage to a pin marked VCC. The module is detected via the computer as unknown system or HMSoft. In the system displayed  will be a virtual COM port, through which, using any terminal it can transmit data. The board has pins of the serial interface UART - pins TX and RX that you can connect, for example, withArduinoor with a PC viaUART converter.

Pin Description
RX Communication UART port

TX

Communication UART port

GND

The weight of the system

VCC

Supply voltage

Communication can be tested by the pairing the module with the computer and connecting the board using theFTDI converter. In two terminal windows, you should select the appropriate communication ports and also specify the transmission rate of 9600 bps. If the configuration is correct, the text sent from one terminal will appear on the second.

 

The configuration of the module is via the popular AT commands to enter this mode, you need to connect the VCC pin to 3.3 V. Examples of the commands are:

  • AT- connection testing, in return we get "OK".
  • AT+VERS?- it shows the software version.
  • AT+HELP- it displays a list of all available commands

The instruction needs to be sent without a sign of line ending. More commands can be found in thedocumentation.

 

Check how to connect the device to a Raspberry Pi!

 

Test 2
Package width 4 cm
Package height 0.3 cm
Package depth 6 cm
Package weight 0.004 kg

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Product reviews

Bluetooth 4.0 BLE module - HM-10 / AT-09 - MLT-BT05 - 3.3V / 5V

4/5

Average grade

6

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