Burglar Alarm Circuit with CMOS
A burglar alarm operates by opening or closing of an electrical contact. For example, in a house, the doors and windows are pretected by switches near the hinges. The switches … Read more →
alarm
Great Light Sensitive Intruder Alarm Circuit
Intruder alarms are a device that is quite popular in areas that have a high level of security, and civil homes that can detect actions that can interfere. There are … Read more →
