Dark activated dc motor reverse circuit using ldr

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maks_

Joined Jun 20, 2023
1
Hi, I'm a student and fairly new to electronics. I wanted to ask how to control dc motor direction using ldr.
 

Ramussons

Joined May 3, 2013
1,416
Hi, I'm a student and fairly new to electronics. I wanted to ask how to control dc motor direction using ldr.
You can change the direction of a Permanent Magnet DC motor by reversing the power supply. A relay with 2Pole 2 Way contacts?
A LDR in darkness has a few Mega ohms resistance. In bright light it may be a few 100 ohms.
 
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