Arduino

Bluetooth Controller Lamp with Relay Module

February 11, 2019




Bluetooth Module HC05 Light Control

Bluetooth Module HC05 :

HC-05 module is straightforward to use Bluetooth SPP (Serial Port Protocol) module, designed for clear wireless serial association setup. interface Bluetooth module is absolutely qualified Bluetooth V2.0+EDR (Enhanced information Rate) 3Mbps Modulation with complete two.4GHz radio transceiver and baseband. A Bluetooth transceiver, associated an Arduino. HC 05/06 works on serial communication. The automaton app is intended to send serial information to the Arduino Bluetooth module once a button is ironed on the app. you’ll open the serial monitor and watch the received information whereas connecting.

 

Working Principle :

HC05-Bluetooth-Controller-Lamp

It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature). it’s the footprint as tiny as twelve.7mmx27mm. The STATE pin on the HC-05 zs050 board is connected to the LED two pin on the tiny Bluetooth module and also the LED two pin is employed to point once there’s a full of life association. this implies the Arduino will hook up with the STATE pin and verify once we have an association.

 

Required Parts :

HC05-Bluetooth-Controller-Lamp-Parts





Purchase Link

 

Pin Connection :

  • Connect VCC with 3.3V of Arduino, please do not connect it with 5V as that can cook the module.
  • Connect GND with any GND of Arduino.
  • Connect Rx pin with Tx of Arduino.
  • Connect Tx pin with Rx of Arduino.

Connection Diagram :

The particular module that I actually have maybe power-driven from three.6 six|to six} volts, as a result of it comes on escape board that contains a transformer. However, the logic voltage level of the information pins is three.3V. So, the road between the Arduino Texas (Transmit Pin, that has 5V output) and therefore the Bluetooth module RX (Receive Pin, that supports solely three.3V) has to be connected through a resistor so as to not burn the module. On the opposite hand, the road between the Bluetooth module Texas pin and therefore the Arduino RX pin may be connected directly as a result of the three.3V signal from the Bluetooth module is enough to be accepted as a high logic at the Arduino Board.

Bluetooth-Controller-Lamp-control

As we all know that Vcc and Gnd of the module go to Vcc and Gnd of Arduino. The TXD pin goes to RDX pin of Arduino and RDX pin goes to TXD pin of Arduino i.e(digital pin zero and 1). The user will use the onboard diode. But here, Led is connected to digital pin twelve outwardly for the betterment of the method.



Here is the Arduino Bluetooth

Download Link click here

Source Code 

You can watch the following video the written tutorial below

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