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* Electromagnetic Relay
 
* Electromagnetic Relay
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Relay choice depends on vehicle's electrical system voltage. If this setup is installed into a Vehicle with 12 V system, then a relay similar CM1-12V could be used. Otherwise, if the electrical system is 24 V, a relay similar to the CB1-P-24V could be used.
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Relay choice depends on vehicle's electrical system voltage. If this setup is installed into a Vehicle with 12 V system, then a relay similar to the CM1-12V could be used. Otherwise, if the electrical system is 24 V, a relay similar to the CB1-P-24V could be used. When choosing a relay, the most important aspect is '''Coil Voltage''', therefore I recommend using aforementioned relays based on the voltage.
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The second schematic diagram provided gives you the ability to turn the device on with the ignition and turn off only when certain preset time expires after the ignition is turned off.
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schematic.png
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To build this schematic, you would need to use the electrical components as mentioned above, only in this case we will use 2 Relays and 2 Diodes. As mentioned earlier, using this schematic without the diode, raises risk damaging the device.
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==Device configuration==

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