Home >
Optoelectronic Circuits >Optoelectronic Display Circuits > Power outage and incoming call alarm circuit 2
Power outage and incoming call alarm circuit 2
Source: InternetPublisher:方世玉223 Keywords: Alarm circuit dry battery power supply Updated: 2021/09/26
It uses KD9300 music circuit. It is controlled through DC 110V relay KA .
It requires 3V dry battery as alarm power supply .
Latest Optoelectronic Circuits Circuits
- Fire safety evacuation emergency signs
- Blinking LED circuit diagram based on LDR and resistor
- Resistor value selection circuit
- Transistor storage time test circuit
- 4-digit incandescent lamp display circuit
- Frost alarm circuit
- Temperature control alarm circuit
- SH-803R holiday lights ASIC
- Mains undervoltage and overvoltage alarm circuit 2
- Small current anti-theft alarm circuit
Popular Circuits
- Automobile oil level detection and alarm circuit
- Forgotten money alarm circuit
- Language reversing alarm circuit a (1)
- Home stolen phone automatic alarm circuit
- High voltage alarm circuit
- Range hood alarm control circuit diagram
- Gas-sensitive alarm circuit three
- Phase loss alarm circuit 2
- Bipolar power supply for dry cell equipment
- Dry battery charger circuit with automatic control function
京公网安备 11010802033920号