Arduino Uno | Arduino Line Follower Robot with 8 Line Sensors using Multiplexer and PID Controller

Arduino | Arduino Line Follower Robot with 8 Line Sensors using Multiplexer and PID Controller.

Software used in this project :
- Arduino IDE (I am using version 1.8.9)
- Notepad++ (I am using version V7.7.1)

Modules and components used in this project :
- Arduino Uno
- 5mm Super Bright LED (8 pieces)
- 3mm photodiode (8 pieces)
- 4051 Multiplexer IC
- 330 ohm resistors (8 pieces)
- 4.7K (4K7) ohm resistors (8 pieces)
- L298N DC Motor Driver
- DC Motor (2 pieces)
- OLED 128x64
- Dupont jumper cable
- 18650 batteries (2 pieces, assembled in series) or you can also use a 9V battery

The code file is saved in the .rar file format. I created a .rar file using Winrar V5.50, so to extract it, make sure you use the same version of Winrar that I use or the latest version or use the winrar extractor online.

Sorry if my English is confusing, I use an online translator.

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For other video tutorials on this channel, please see this playlist:

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Reference :

and from several other sources.
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Music Background:

Anno Domini Beats | Drop
Artist: Anno Domini Beats
Title: Drop
Genre: Hip-Hop & Rap
Mood: Sad
Source: Youtube Audio Library

Creative Commons — Attribution 3.0 Unported — CC BY 3.0

Music : Quiet Night by Tokyo Music Walker
Creative Commons — Attribution 3.0 Unported — CC BY 3.0

Creative Commons — Attribution 3.0 Unported — CC BY 3.0
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[musicforever]

you deserves a sub, nice detailed video

[OSPapaCare]

What are the dimensions of line follower track - length x width. Where can I get diagram for this?

[jaringjaring]

terimakasih mas, contentnya semakin asiik. banyak belajar dari sini.

[stevenmarques]

Can the 3mm photodiode be replaced with a 3mm IR receiver?

[arkanmultimedia]

Bro, why can't the sensor calibration results be stored in the eeprom, even though I've used a sketch program like the instructions in the video? please explain thanks.

[masbrotrip]

Sudah coba buat....tp kok motor hanya jalan sebelah saja ya

[ReTrMaKeR]

does it work on a white line on a black surface?

[josuemonteiro]

I can't open the text file when i download from drive, it shows as if it doesn't exist! can you help me?

[Amankumar-yhmo]

Good evening, sir,
Is that photodiode is transmitter or receiver .

[deomalwayudistira]

Bg apakah penggunaan ic 4051 di video gunanya untuk meringkas input dari sensor karna tidak cukup dengan jumlah inputan yg ada di arduino uno atau ada kegunaannya yg lain? Mohon dijawab bg🙏🙏🙏

[Dnanch]

If I use super bright led 3mm., what value resistor should I use?

[wonglinggau]

Bang, speed motor kanan dan
Kiri sebaiknya berapa supaya beloknya maksimal?

[muhammadfaisal-kobn]

Can i replace the SUPER BRIGHT LED with IR LED?
And why the SUPER BRIGHT LED didn't affect the other sensor around it?

[alokpanigrahy]

Brother, please give some online link to buy the 3mm photodiode, it's hard to find out proper link by searching in Google

[goldfiller]

mas ada kontak yg bisa dihubungi kah? oh iy untuk nentuin frequency motornya gmn caranya ya?

[Tsukuyomi]

Wonderful work sir ❤ just can you send me its schema mechanical or tell at least their dimensions and thanks 😊

[ashikfahmin]

how can i mash the all of your testing code?

[immuneplus]

apakah perbedaan dari merk multiplexer mempengaruhi input dari sensor?

[danusetia]

Bg kalau sensor nya pakai jenis photodioda yang warna hitam apakah bisa?

[rexcode]

is the photodiode ir receiver or transmitter?