Alarm circuit with self-locking
Source: InternetPublisher:念慈菴 Keywords: Alarm circuit power switch Updated: 2020/02/15
Normally, the button (or switch) SB is in a closed state. Once SB is disconnected, the
alarm will be alarmed and locked. Even if SB is closed again, the alarm cannot be stopped. To release the alarm state, you can only turn off the power switch
SA. The self-locking circuit can be restored.
Latest Optoelectronic Circuits Circuits
- Delayed gradual lighting with protection function
- Driving circuit for driving light-emitting diodes by IR53HD420
- battery charging circuit
- Resistor value selection circuit
- SC3071 touch step dimming light circuit
- Infrared remote control dimmer light circuit
- Motor speed photoelectric control circuit
- Electronic music dimming desk lamp circuit
- Application circuit of CAT3606
- Incandescent lamp dimming circuit using thyristor part 4a
Popular Circuits
- Forgotten money alarm circuit
- Overtemperature alarm circuit
- Human hand sensor alarm circuit
- High voltage alarm circuit
- Cryogenic alarm circuit for cold storage
- Overtemperature alarm circuit three
- One of the water full alarm circuits
- Current transformer secondary open circuit alarm circuit
- One of the phase loss alarm circuits
- Power outage alarm circuit three
京公网安备 11010802033920号