Fridge Door Alarm Circuit

This fridge door alarm is using a 3V battery supply should be placed (in a small box) in the fridge near the lamp or close to the opening. With the door

Simple Fire-Door Alarm Circuit

Fridge Door Alarm Circuit Diagram using 555 and LDR

How to Make a Refrigerator Door Open Alarm Circuit

Maker Corner: DIY refrigerator door alarm

Fridge-Door Open Alarm Circuit Project - EEWeb

Solved I want to simulate a fridge door alarm circuit using

Fridge Door Alarm Circuit

Fridge Door Alarm Project

Simple Fire-Door Alarm Circuit

how to build fridge door alarm under Repository-circuits -28776

Fridge-Door Open Alarm Circuit Project Circuit Diagram

8 Light sensor alarm or Sensitive Sound Generator

How to make Fridge Door Alarm Circuit using 555 Timer IC —

Delayed Car Door Alarm – Simple Circuit Diagram