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Electrical Technology of World - Fire Alarm Project using Thermistor and IC 555 Fire alarms are prime necessities in modern buildings and architectures, especially in banks, data centers and gas stations. They
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Fire Alarm Circuit Using IC 555 Timer & Thermistor
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IR Based Security Alarm using 555 Timer
The 555 timer-based alarm circuit with automatic reset and multiple... | Download Scientific Diagram
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Electronic Buzzer with IC timer NE555 | Electronic Schematic Diagram
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