Cheap Motorcycle Alarm

  
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Cheap motorcycle alarm circuit. During parking, hidden switch S1 is normally open and will not permit triggering of MOSFET T1. But when somebody starts the motorcycle by using ignition switch S2, MOSFET T2 triggers through diode D1 and resistor R5. Relay RL1 (12V, 2C/O) energises to switch on the alarm (designed close to IC1) as well as to disconn
Cheap Motorcycle Alarm - schematic

ect the ignition coil from the circuit. Disconnection of the ignition coil avoids generation of spark from the spark plug. Generally, you will find there`s wire running from the alternator towards the ignition coil, which needs to be routed through one of the N/C1 contacts of relay RL1 as shown in the circuit diagram. This is simple to build and cheap motorcycle alarm circuit which could be fitted in motorcycles to take care of them from getting stolen. The tiny circuit may be hidden anyplace, without having any difficult wiring. Practically, it fits all motorcycles as long as they`ve a electric battery. It is not going to drain out. The following circuit is a simple, cheap and easy build motorcycle alarm. The circuit just required 2 transistors to drive the relay the the relay act as a switch to activate the buzzer. Any number of normally-open switches may possibly be applied. Fit the mercury switches to ensure that they close when the steering is. This transistor ignition circuit give your car to have better starting and smoother running, particularly at very high and very low RPM. Lower fuel consumption, less pollution, lower servicing costs. Drive economically, drive electronically. Only for petrol/gasoline engines. This circuit will reduce breaker point wear and provide cleaner spark. Circuit diagram: Wiring diagram with the. This car headlight alarm circuit can be set for one or two functions: First, to indicate that...



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