HC05 uses CSR Bluecore 04-External single-chip Bluetooth system with CMOS technology.Its operating frequency is 2.4 GHz ISM Band.HC05 follows the "Bluetooth V2.0+EDR" protocol (EDR stands for Enhanced Data Rate).You can download the HC-05 datasheet by clicking the below button:.If it's blinking twice in one second, means it's connected properly.If it's blinking continuously, means the module is waiting for input data.If it's blinking once in two seconds, it has received a command.LED, which tells about different states of Bluetooth module: In the above figure, I have labelled 7.Here's the image, where I have labelled HC-05 Pinout:.This Pin is connected to an LED, shows the operating state of the HC-05 Bluetooth module. Its operating voltage is plus five volts. The purpose of this pinout is to set data value at a high and low level.Īt this pinout, the input supply is provided to the module. So, let's have a look at HC-05 Pinout, shown in below table:.HC-05 Pinouts are used for powering up the module and sending/receiving data via Serial Port.You should also have a look at Arduino Bluetooth Communication using HC05.HC-05 supports "AT commands", controlled by TX (transmission) and RX (receiver) pinouts.HC05 can operate in master/slave mode and thus multiple slave nodes can be controlled using a single master node (called mesh networking).Its default baud rate is 9600 for data communication and 38400 for command mode communication.It supports Serial Port Protocol (SPP), which helps in sending/receiving data to/from a microcontroller (i.e.
HC-05 Bluetooth Module is a low-cost, easy-to-operate & small-sized module used for wireless communication in the Bluetooth spectrum.So let's get started with Introduction to HC-05. This module also fulfils the Bluetooth V2.0+EDR technology. HC05 Bluetooth Module consists of CSR Bluecore 04 outer single-chip Bluetooth system having CMOS (complementary metal-oxide-semiconductor) technology. We have also designed Bluetooth Library for Proteus, which will help you in simulating this Bluetooth Module in Proteus software. HC05 is a Bluetooth module, works on Serial Protocol ( RX/TX ) for sending and receiving data.
We will also study HC-05 Pinout, Datasheet, Features & Projects. Today, we will discuss HC-05 Bluetooth Module in detail.
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