How to Make a Light Following Robot ? | Without Using Arduino ! | Arduino Atolyem 4K

Component List ;
BD138 Transistor x2
BC547 Transistor x2
12x12 Perfboard x1
DC 250 RPM Motor With Wheels x2
LED 5mm x2
10K Potentiometer x2
100 Ohm Resistor x8 or 100 Ohm Resistor 4x and 47 Ohm Resistor 2x
Battery From 5 to 9 Volts
LDR x2
Transistor Heatsink x2 (For using above 7 Volts)
Solder, Wires or Breadboard
Velkro for mounting the battery (optional)

Usable battery types ;
4.5V 3x Alkaline or Rechargable AA Battery
6V 4x Alkaline or Rechargable AA Battery
6V Lead Acid (not recommended)
3.7V Li-ion/Li-po/LiFePo4 Battery connected to a MT3608 or XL6009
7.2V 2S Li-ion/Li-po Battery

Fritzing circuit diagram (.fzz file) : https://drive.google.com/file/d/1anKl...

Fritzing circuit diagram (.png photo) : https://drive.google.com/file/d/10-17...

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