Introduction: Day Night Sun Sensor Made of Potentiometer LED LDR No Microcontroller

About: I like to get back to the technical roots and try to make things without getting too complicated. Thanks for feedback…

This is a tutorial for building a sensor, that indicates day, night and light intensity.

Step 1: Materiallist & Schematics

What you need:

Power Source (USB TTL Module 3,3V OUT)


Jumper Wire

Potentiometer ( to trigger sensibility of dark sensor)

3 X LED in prefered colour


Plug all together as shown in schematics and test it.