Refrigerator Door Alarm Circuit Using LDR
The alarm circuit enclosed into a small box is placed in the refrigerator near the lamp. With the door closed the interior of the refrigerat...
Beranda » Penelusuran Alarm/ Buzzer
Water Activated Alarm Using IC 555 Circuit
This Water Activated Alarm circuit uses a NE555 timer wired as an astable oscillator and powered by the emitter current of the transistor BC...
IC 555 Motorcycle Alarm Circuit
Rangkaian Motorcycle Alarm This circuit features an intermittent siren output and automatic reset. It can be operated manually using a key-s...
Rangkaian Alarm Kebakaran
Alarm Kebakaran This is a simple fire alarm circuit , which can help the user's color interested against fire accidents based on a LDR a...
Rangkaian Alarm|Sensor Cahaya
Alarm|Sensor Cahaya This circuit is a loud alarm at the break of the daylight. The 555 timer IC is Used here. It is working as an astable mu...
