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How to make remote control robo car

It is very simple way to make a wired remote control robo car at home

I use to make this --

1- L shaped Bo gear motor X2

2-wheels X 2

3- caster wheel

4- push switch x2

5-4 x AA battery

6-plastic box



Please watch this making video


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how to make 4x4x4 led cube using arduino

To make 4x4x4 led cube using arduino you need arduino uno or arduino nano 3.0

parts list -

Arduino uno or nano
Resistor 100 ohom x4
vero board ( doted or line )

header male   L shaped


& LED 64 piece defuse led any colour

Total making process  described in this video

Connection to arduino-

Download Arduino code

How to Decode any IR remote ( TV,DVD,AC any other)

Decoding IR remote

Using this tutorial you can decode any Ir remote Hex code.and we can apply it our project also like home automation,robot control etc.

You need-

Arduino Uno or any other arduino board

TSOP 1738 or 1838

small bread board

jumper wire

& for test a LED

At first you have to add a library ( Download from here)

after download unzip it & paste folder to arduino library folder

connect IR sensor to arduino like above  Schematic

Now upload first code to arduino

First code--

#include <IRremote.h>

int IRpin = 8;
IRrecv irrecv(IRpin);
decode_results results;

void setup()
  irrecv.enableIRIn(); // Start the receiver
void loop() 

  if (irrecv.decode(&results)) 
     Serial.println(results.value); // Print the Serial 'results.value'

     irrecv.resume();   // Receive the next value

After this press any key on remote ,Hex code will show on serial monitor

copy hex code of any key in your choice

Now upload sec…

How to control light or fan using any IR remote (IC 4017)

using  this easy circuit you can use any IR remote like TV,DVD player to turn on & off

Parts List -

IC - CD 4017
IC - 7805 ( 5v regulator)

transistor - BC 548 B
                  BC 558

capacitor - 1000 mfd /16 v
                   100 mfd /16v


resistor - 330 ohom x2

IR sensor TSOP 1738 or TSOP 1838

Diode   -  1N4007

Realy 6v

vero board,wire,

Circuit Diagram --

Pin out of transistor ,IC, Relay & IR sensor

                                                     You tube video ---