Introduction: A Follow Me Robot With Simple Circuit

Its a very simple and easy to make follow me robot. It can sense the presence of object to be followed using Infra-Red ( IR ) sensor. There are one IR Led and two IR photo diode (with back IR Filter) . When the IR gets reflected from a nearby object and back to both the receivers diode, the transistor based switches power ON both the motors and the robot moves forward. If the object moves left or right then any one motor gets switched on and the robo takes turn.

Step 1: Step by Step Video Instructions to Make It

Here is the video link to make it . Video

There is no micro-controller was used. Very simple circuit. Hope you will enjoy the making.


Comments

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Salwa_k made it!(author)2017-02-26

Great work ! :D can the robot follow a person? I'm working a project of a robot following his owner and i need help with that ..

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el74588 made it!(author)2016-11-21

wow this looks really fun I'm really excited to start working on it!

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sahilkingofclan made it!(author)2016-09-21

Plz help me sirr......

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sahilkingofclan made it!(author)2016-09-21

I send u email to u plz help me

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anyssr made it!(author)2016-08-19

can the robot follow a specific object? maybe a kind of senor will be placed on the object?

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mukeshrobot made it!(author)2016-07-30

can you plz give me a complete circuite diagram to my mail id mukeshrobot@gmail.com

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ArthurC59 made it!(author)2016-07-28

I have a question regarding the 10k Ohm Pot. What resisitance do you have it set at. Thank you.

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nicolas07 made it!(author)2016-05-24

hello you can put a voltage of 9 volts

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Clagiu made it!(author)2016-05-16

in the download are there all the details of the robot?

thank you

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sohampatel made it!(author)2016-05-11

please give me the circuit diagram of this project as in that instead of photo diode i have to fix(TSOP1838B)ir sensor i am confused where to connect the pinouts of the transistor it has three pinouts and which leg i have to connect where in circuit i am new to electronics pls help me i want to make it my email id is patelsoham9982@gmail.com

will it work with the ir sensor if yes please help me.

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Alfa24 made it!(author)2016-05-09

I Love the idea

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Saurav+Chakraborty made it!(author)2016-05-10

thanks

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khairula5 made it!(author)2016-01-16

can you email me all the detail of the circuit..pencil1aku@gmail.com..

sory for inconvenient

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sak3 made it!(author)2015-11-29

can I use photo transistors instead of photo diodes

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Saurav+Chakraborty made it!(author)2015-11-30

can be used. But always better to use IR Rx-Tx pair. This receiver is a photo diode but comes with IR filter and helps to avoid ambient light effect. Or you can you an IR module , which is even better.

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Kaustav+Nandy made it!(author)2015-11-15

great project...!!! with simple electronic components... :)

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SushruthS made it!(author)2015-10-13

Can I use TIP122 instead of BD139 ?

Thanks.

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Kaustav+Nandy made it!(author)2015-11-15

you can also use 2n2222 transistor (npn) it depends upon the current rating of the motor..!! for more details learn data sheet :)

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weakyhailaire made it!(author)2015-10-12

Sir... Can i use regular pot instead of trimpot potentiometer?

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Saurav+Chakraborty made it!(author)2015-10-13

yes, you can use.

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weakyhailaire made it!(author)2015-10-14

Thanks for the reply sir!!!.... I hope ill make one of this project of yours....... :D

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harshilanand39 made it!(author)2015-10-14

can 4.5 v give enough energy to this motors to move????
and what rpm motor do u used?

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Rondias22 made it!(author)2015-10-11

Great Project!!! I find electronics super exciting. I am new to all this. Can you please recommend online sites (India) from where I can order components?

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harshilanand39 made it!(author)2015-10-10

great project with simple circuit....surely gonna make it...?

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Saurav+Chakraborty made it!(author)2015-10-10

thanks for your appreciation. let us know once you complete your follow me bot.

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DIY+Hacks+and+How+Tos made it!(author)2015-10-10

Great tracker design.

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Saurav+Chakraborty made it!(author)2015-10-10

thanks