LDR based Alarm with LM358 and Arduino
Video shows LDR based Alarm build with LM358 and Arduino.
For more details and code see:
https://ee-diary.blogspot.com/2022/07...
Related Tutorial and Video:
#IR proximity with Audio Warning in Node Red
https://ee-diary.blogspot.com/2022/07...
• IR proximity with Audio Warning in No...