Remote Controlled Home Appliance is a microcontroller based wireless system. we choose infrared to design the remote control system for home appliances for our project. Here we used IR Transmitter (Commonly Used remotes for home appliances) and IR Sensor Modules The major aim of this project is to deliver the technology of modern world in our country at low price to general people. The overall performance of the power supply (PS) is excellent as a constant supply to drive any small load

2. Presenented by-
SAMIR AHMED
ETE:104018

3. Remote Controlled Home Applience is a
microntroller based wireless system. we choose
infrared to design the remote control system for
home appliances for our project. Here we used IR
Transmitter (Commonly Used remotes for home
appliances) and IR Sensor Modules The major aim
of this project is to deliver the technology of
modern world in our country at low price to
general people. The overall performance of the
power supply (PS) is excellent as a constant
supply to drive any small load.

4.  To design and implement +5V variable DC power
supply.
 To design a remote control system for home
appliances.
 To implement this system for different appliances
with a single remote.
 To study about its further application.

5.  Wireless management system.
 Simultaneous control of all distribution lines.
 Line activity status check.
 Emergency breaking of supply when needed.
 Data logging of activity throughout a simple
text file.
 Easy to use in common purpose

6. Sl.
No.
Name Of the
Components
Specifications Quantity
01. IR receiver TSOP 1738 01
02. Resistor 47Ω-0.25W;
330Ω-0.5W;
(1KΩ;3.3KΩ;1.5KΩ)0.5W
0.12Ω-0.25W
01
02
01 Each
05
03. Capacitor 220µF-16V; 470µF-35V 01 Each
04. Transistor BC547(NPN); 01
05. IC MOC-3021(opto-isolator) 01
06. Diode 1N4007(Rectifier) 02
07. Triac BT136 01
08. Switch 2 pin 05
09. LED 0.2-2V;10mA (Red&Green) 04
10. Microcontroller ATEMEGA8A-PU 01
11. Disply 16*2 LCD disply, com.
anode
01
12. Bulb 220/240V;100W 01
a) For IR receiver circuit:

9.  Atmega8 microcontroller have it’s internal RC5
Remote control interface which can communicate as
peripherals with TV remote.. Infrared (IR) rays
generated by the remote control are received by
the IR receiver module TSOP1736-1T of the
circuit. MicrocontrollerrPin PDB(0,1,2,3)is
connected to LED1,2,3,4(red) which glows to
indicate that the appliance is ‘on. Transistor T2
(BC547) connected to pin 2 of IC drives Opto-
isolator(MOC3021) which gate pulse activate
triac(BT136). A 16*2 LCD has set with proper
interface.

10.  I) For power supply:
 1.For DC output only two rectifier diode is used instead of Bridge
rectifier circuit.
 2.For filtering and smoothing only one capacitor is used for each
purpose.
 3.Variable DC voltage (0-5V) can be obtained.
 4.Low cost and portable.

 II) For IR receiver:
 1.Any home appliances can be operated (ON/OFF) with this
circuit.
 2.Easy circuit operation and power consumption is low.
 3.Appliance states (ON/OFF) indication system are facilitated.
 4.This circuit is protected from oscillation or interference by using
separate power supply.
 5. Low cost and highly reliable

11.  Application:

 The scope of application of this circuit is wide-
 a.It can be used as a remote switching device.
 b. Any electrical devices (for example; lamp/fan/TV/oven/air
conditioner etc.) can be connected to the relay if the relay contact can
handle rated voltage and current.
 c. The receiver circuit can sense any IR signal from TV/VCD/DVD remote
control of wavelength between 850-950 nm.


 II) For power supply:
 a)This circuit is applicable where 0V to +5V DC is required.
 I) For remote control switching circuit:
 b)It can be used as a constant DC source of 0V to +5V.


12. Item Price Item Price
Atmega8 100 Tk TSOP1736 80 Tk
MOC3021 35 Tk Transformer 100Tk
LCD 350 Tk Triac-BT136 15 Tk
7805 15 Tk Accessories 250 Tk
Total 945Tk

13. The major aim of this project is to deliver the
technology of modern world in our country at
low price to general people. The overall
performance of the power supply (PS) is
excellent as a constant supply to drive any
small load. Though economic condition is main
factor for designing, so we tried to minimize the
cost as least as possible and within 400 taka this
circuit can be constructed in the homeBesides,
its features can be extended in accordance with
requirements.