Human body sensor automatic alarm circuit
Source: InternetPublisher:子丑寅卯 Keywords: Human body sensor alarm circuit automatic alarm induction type Updated: 2021/10/02
Circuit working principle: The alarm
is composed of four parts: infrared controller (VTO, IC1), level conversion transistor VT1, delay control circuit IC2 and alarm circuit.
When a thief appears in a certain area, the infrared rays radiated by the human body are
received by the probe VTO infrared sensor and converted into electrical signals.
After being processed by the internal circuit of IC1 (CK-7), a high level is output on pin 2 of IC1 (CK-7).
Latest Industry Application Circuits
- DIY a practical audio-visual doorbell
- Ways to deliver more than 100A to ADAS processors
- Mono LB1405 level indication circuit
- Electric massager circuit
- Enhanced password lock circuit using AE1169
- Infrared blind cane circuit diagram
- Ultrasonic humidifier circuit
- JS13 type transistor time relay circuit
- "Happy New Year" ring game console circuit
- Cadillac reversing light circuit diagram
Popular Circuits
- Infrared anti-theft alarm circuit
- fire alarm circuit
- Home appliance anti-theft alarm circuit
- Two simple mains leakage alarm circuits and production
- Inductive anti-theft alarm circuit using TWH9248 module
- Inductive high voltage alarm circuit 5
- One of the inductive high voltage alarm circuits
- AC power outage alarm circuit diagram
- Water full alarm circuit
- Agricultural machinery anti-theft alarm circuit
京公网安备 11010802033920号