Project #2

IR + PWM
motor control

Control the speed of a DC motor from remote using infrared

see project

Let's make it!

Breadboard implementation

Complete schematic

Components list + best buy links

Resistors

1x   120Ω
1x   470Ω
3x   10kΩ
1x   10kΩ (trimmer)

Resistors kit

link to Aliexpress

Buy now

10kΩ trimmer

link to Aliexpress

Buy now

Capacitors

1x   10nF
1x   100nF

Capacitors kit

link to Aliexpress

Buy now

Diodes

2x   1N4148

Diodes kit

link to Aliexpress

Buy now

IR LED and photodiode

1x   IR LED 940nm
1x   IR photodiode 940nm

LED + photodiode pair

link to Aliexpress

Buy now

Integrated circuits

1x   NE555
1x   L293D

NE555

link to Aliexpress

Buy now

MCP602

link to Aliexpress

Buy now

L293D

link to Aliexpress

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Motor

1x   DC motor

DC motor

link to Aliexpress

Buy now

Is this your first electronic project?
Take a look at the Get started section!