Circuit diagram of low voltage disconnection alarm
Source: InternetPublisher:难得正经 Keywords: Alarm alarm control low voltage disconnection Updated: 2021/10/23
The circuit working principle of the device is shown in the figure. When the wire mesh Fe is intact, the ① and ② pins of LSE are in collusion, and its ④ pin outputs high level, the transistor VT is cut off, the relay J is released, and the alarm does not work.
- A white light LED power outage emergency light
- Design and production of rain control and light control timing controller based on P87LPC764
- Musical doorbell without buttons
- Electronic massage and acupuncture device circuit
- Resistor value selection circuit
- Transistor storage time test circuit
- Lighting sound-activated switch circuit using thyristors Part 3
- One of the circuits that control one light in multiple placesb
- Large light emitting diode display circuit
- Mains undervoltage and overvoltage alarm circuit 2
- Touch alarm circuit for coronary heart disease patients
- High temperature alarm
- Differential voltage or differential current alarm
- Gas leak detection alarm
- Mining lamp gas alarm 2
- Combustible gas leakage degree display alarm (1)
- Exhaust fan with QM-N10 gas sensor gas control alarm
- Soil moisture upper and lower limit alarm
- Induction high voltage alarm
- Gas control alarm