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You can Make Relay Based Motorcycle Alarm Circuit Diagrams . You can use them to protect your motorcycle - but they have many more applications. If you use relays with 6-volt coils - they'll protect your "Classic Bike". Both alarms are very small. The completed boards occupy about half a cubic-inch - 8 cc. The standby current is zero - so they won't drain your battery. Relay Based Motorcycle Alarm Circuit Diagram 1 uses a SPCO/SPDT relay - but you really only need to use a SPST relay. If you are going to use the veroboard layout provided - you'll need to use the style of relay specified. But you can build the alarm using whatever style of relay you have available. Relay Based Motorcycle Alarm Circuit Diagram 1 Any number of normally-open switches may be used. Fit the mercury switches so that they close when the steering is moved or when the bike is lifted off its side-stand or pushed forward off its centre-stand. Use micro-switches to protect removable panels an...

Description This project is prevented steal circuit which be kit to be easy the system is simple. but We thinks the project should be help to protect your motorcycle or accessories. This principle is simple be the system Close Wire Loop. Circuit Diagram The circuit is going to make a noise to warn that circuit turn , with the circuit used power electric energy while standby very low 0.5 uAmp. When relay working as a result use current about 70mAmp . The usability can use in an automobile,house door, leak round a house or the other. That time an electric line turn system , Relay command sent beep danger circuit work immediately. Source -http://www.free-circuit.com/2009/06/16/motorcycle-alarm-circuit-and-pcb-for-prevent-steal/

A simple motorcycle battery over discharge protector circuit is explained in the following post. The circuit will prevent the battery from over discharging by the motorcycle headlamp whenever the mo-bike alternator is not enabled or is idling in the neutral mode in which case the battery is normally subjected to excess loads via the headlamp bulb. Motorcycle batteries are normally a lot smaller with their sizes and ratings compared to the vehicle and the usage. The main use of the battery present in mo-bikes is for enabling electronic start through a press of the given start button. However this small sized battery also has to undergo further stresses while operating excess loads such as the horn, the indicator lights, the tail light and the brake light. Even though the above loads mostly tend to depend on the motorcycles battery power, these do not affect the battery charge level significantly. The one that truly affects the battery is the motorcycle headlamp, which when switched O...