Door Buzzer Circuit
Introduction If you appreciate the charm and simplicity of a classic doorbell but also crave something a little … Read more
door
Automatic Door Opener With Sensor And Arduino
Introduction An IR-controlled Automatic Door Opener with stepper motors and Arduino UNO microcontroller is an advanced and efficient … Read more
Door Open Alarm Circuit using Reed switch
The reed switches have an unbelievably high mechanical switch reliability and can operate for billions of cycles before … Read more
Fridge Door Alarm Circuit
Introduction Many adults, especially parents, complain that kids always open the fridge every time they pass by it. … Read more