4-BIT TRANSMITTER AND RECEIVER CIRCUIT USING ENCODER AND DECODER WHAT YOU NEED? 1)ENCODER(HT12E)  2)DECODER(HT12D) 3)8-BIT DIP SWITCHES 4)RF MODULES (A-434 OR A-315) 5)VOLTAGE REGULATOR (7805)   BLOCK DIAGRAM OF TRANSMITTER AND RECEIVER                            SO...

Read More [...]

Posted in RC CAR, RC CIRCUIT, REMOTE, REMOTE CONTROL

SIMPLE LINE FOLLOWER BOT WHAT YOU NEED? 1) IR LED 2) IR SENSOR 3) NPN TRANSISTOR(BC 547) 4) 100 OHM RESISTOR CIRCUIT                 SO HERE WE CAN SEE THAT IR LED AND IR SENSOR IS USED FOR LIN SENSING.  IN WHICH IR RAYS WERE EMITTED FROM IR LED AND FALLS ON THE SURFACE AND IF IT IS WHITE...

Read More [...]

Posted in AUTONOMOUS, BLACK, BLACK LINE FOLLOWER, BOT, LINE, LINE FOLLOWER, ROBOT

SIMPLEST MOTOR DRIVER CIRCUIT

AIM: MOTOR DRIVER FOR WIRELESS CIRCUIT. WHAT YOU NEED? 1) SPDT RELAY (4) 2) NPN TRANSISTOR (BC 547) (4) DESCRIPTION:                  IN ABOVE CIRCUIT MOTOR DRIVER USING FOUR RELAY AND NPN TRANSISTOR   IS SHAWN.  IN WHICH WE CAN SEE THAT WHEN ONE RELAY IS ENERGIZED MOTOR IS REVOLVING...

Read More [...]

Posted in MOTOR DRIVER, NPN, RELAY, SIMPLE WIRELESS CIRCUIT, TRANSISTOR

Simplest & cheapest way to control any home appliances through conventional IR remote (AC, TV, DVD player etc.)

Introduction: This is the simplest and cheapest method to control any home appliance like fan, tube light etc. with the help of conventional remote of TV , AC, DVD player etc. For which we are using 38 KHz TSOP 1738 IR sensor which senses signal from all remote.  AIM: To control home appliance using conventional IR remote. What you need? 7805 voltage control...

Read More [...]

Posted in CONTROL HOME APPLIANCES USING REMOTE, HOME APPLIANCES, HOW TO CONTROL FAN USING REMOTE, IR REMOTE, RELAY, REMOTE, REMOTELY, SIMPLE CIRCUIT, SIMPLE PROJECT, SIMPLE WIRELESS CIRCUIT