Auto Flash Alarm - Staircase_Control
Work of the circuit The circuit consists of low-frequency oscillator, the electronic switch circuit, control circuit, photoelectric display circuit and music al...
SCR_LATCH
Turns on mobile transceiver or other mobile equipmentwhen powerisapplied, if external circuit is broken when equipment is stolen. Transmitter will then put unmo...
SCR_LATCH
Turns on mobile transceiver or other mobile equipmentwhen powerisapplied, if external circuit is broken when equipment is stolen. Transmitter will then put unmo...
Motorcycle anti-thief alarm circuit (8)
The principle of the circuit The motorcycle anti-thief alarm circuit is composed of the anti-theft detection circuit, the control circuit, the sound generator, ...
Motorcycle anti-thief alarm circuit (8)
The principle of the circuit The motorcycle anti-thief alarm circuit is composed of the anti-theft detection circuit, the control circuit, the sound generator, ...
Motorcycle anti-thief alarm circuit (11)
The principle of the circuit The motorcycle anti-thief alarm circuit is composed of the detection alarm circuit, the charging circuit and the anti-theft control...
Motorcycle anti-thief alarm circuit (11)
The principle of the circuit The motorcycle anti-thief alarm circuit is composed of the detection alarm circuit, the charging circuit and the anti-theft control...
Motion Sensor Switch for alarm light or water sprinkler
The Motion Sensor Switch circuit is a motion sensor controlled automatic water sprinkler but you can easily add an alarm/light function too. Before beginning th...
Motion Sensor Switch for alarm light or water sprinkler
The Motion Sensor Switch circuit is a motion sensor controlled automatic water sprinkler but you can easily add an alarm/light function too. Before beginning th...
Liquid level alarm circuit which controlled by integrated circuit promixity switches
Integrated circuit input side has a oscillating circuit,it`s oscillation frequency depends on external components L1, C1 and sensor`s equivalent capacitance, th...
Liquid level alarm circuit which controlled by integrated circuit promixity switches
Integrated circuit input side has a oscillating circuit,it`s oscillation frequency depends on external components L1, C1 and sensor`s equivalent capacitance, th...
Infrared alarm barrier circuit
This infrared alarm barrier can be used to detect persons passing through doorways, corridors and small gates. The transmitter emits a beam of infrared light wh...
Infrared alarm barrier circuit
This infrared alarm barrier can be used to detect persons passing through doorways, corridors and small gates. The transmitter emits a beam of infrared light wh...
Electric fence control circuit 5
The electric fence control circuit is composed of the +6 V power supply circuit, high-voltage output circuit, trigger control circuit, alarm circuit and protect...
Electric fence control circuit 5
The electric fence control circuit is composed of the +6 V power supply circuit, high-voltage output circuit, trigger control circuit, alarm circuit and protect...
Electric fence control circuit 2
Electric fence control circuit is composed of the power supply circuit, pulse generator and high-voltage circuit, and it is shown in Figure 4-27. Power supply c...
Electric fence control circuit 2
Electric fence control circuit is composed of the power supply circuit, pulse generator and high-voltage circuit, and it is shown in Figure 4-27. Power supply c...
Electric fence control circuit
The electric fence control circuit is composed of the power supply circuit, high voltage circuit and sound and light alarm circuit, and it is shown in Figure 4-...
Electric fence control circuit
The electric fence control circuit is composed of the power supply circuit, high voltage circuit and sound and light alarm circuit, and it is shown in Figure 4-...
Domestic Seismic Alarm
When the switch is on, the seismic alarm isin detection condition. When there is no earthquake, IC1`s pin 3 outputs low level and VT is disconnected. The alarm ...