This circuit ensures that you will never again forget to switch on the lights of your car. As soon as the engine is running, the dipped beam...
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Tampilkan postingan dengan label Automotive. Tampilkan semua postingan
Push-Bike Light
Automatic switch-on when it gets dark, 6V or 3V battery operation This design was primarily intended to allow automatic switch-on of push-...
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Simple Mobile Car Stereo Player
Using a mobile phone while driving is dangerous. It is also against the law. However, you can use your mobile phone as a powerful music play...
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A Car Battery Monitor
A close call on the road can really focus your mind on the importance of having a battery monitor in a car. I had been enjoying a pleasant w...
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Car Bulb Power Flasher
Derived from the Two-wire Lamp Flasher design, hosted on RED Free Circuit Designs since 1999, this astonishingly simple circuit allows one o...
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Simple Motorbike Alarm
This simple to build alarm can be fitted in bikes to protect them from being stolen. The tiny circuit can be hidden anywhere, without any co...
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22Watt Car Subwoofer Amplifier
22W into 4 Ohm power amplifier, Variable Low Pass Frequency: 70 – 150Hz . This unit is intended to be connected to an existing car stereo am...
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Car Alarm Sound Booster
For car alarms, emphasis should be put on hearing the audible alert and identifying it as belonging to your ‘wheels’. Unfortunately, modern ...
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