CD4060

2 Results

Electronic Circuits Electronics Projects

Locker Security Switch

January 6, 2021January 6, 2021

Want an inexpensive locker security switch? Look no further – build this little but versatile project. All components for this project should be readily available at any reasonable electronics components supplier, and the construction of […]

Electronic Circuits

Travel Door Sentry

August 21, 2018August 21, 2018

Here’s a travel door sentry to safeguard your hotel room with a simple door sensor that will trip a warning alarm if anyone unlocks the door and intrudes. The battery-operated portable security device is very […]