To make Connectivity or Transmit and receive data in the microcontroller. we needed a module which is very easy to use and compatible with all microcontroller. Bluetooth Module HC-05 have all these features which we require to make connectivity with devices. now the question is how to use Bluetooth Module HC-05. so, don’t worry about that. we give you a tutorial on best electronic projects with hc-05 it is very easy to transmit and receive data in the Bluetooth Module.
Bluetooth Module HC-05 having two mode Master and slave mode. by default, it is in Slave mode and we have to change its configuration. we can make connectivity between two Bluetooth. one should be in master mode and other in slave mode. we discuss this in the next article. in this article, we are going to explain how to connect Bluetooth module HC-05 with Arduino
Bluetooth Module HC-05 having some Configuration which is shown below. it has some hardware features as well as having some software features.
Bluetooth Module HC-05 pin diagram and description
Bluetooth Module HC-05 have 6 pins and 1 button(key) which is on the board. to enter the AT mode keep pressing that key at least for 10 seconds. Rx pin for data receives and Tx pin for Transmit the data. Gnd and Vcc for giving the power to our Bluetooth module. by using Bluetooth module HC-05 you can make Bluetooth controlled electronic projects like Bluetooth control home automation system
Detail about Bluetooth module HC-05
it’s work on 3,3v to 5v.
Programmble input /output control
It has UART interface with programmable baud rate
you can see an integrated antenna on it.
- Connect Bluetooth module Rx pin to the Tx pin of Arduino.
- Connect Bluetooth module Tx pin to the Rx pin of Arduino.
- Connect Bluetooth module Gnd pin to the Gnd pin of Arduino.
- Connect Bluetooth module Vcc pin to the Vcc pin of Arduino.
you can see the data on serial monitor received from the mobile phone upload
- Open Arduino IDE software