An Alternate RFID Key for Bike Security

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About: I am an Electronics Engineer and hobbyist......with knowledge of robotics and automation, basics of microcontroller programming & PCB design. I love to share things which I learn.

For bike security, There is only an ignition lock switch. And it can be easily hacked by the thief. Here I come with DIY a Solution for that. It's cheap and Easy to build. It's an alternate RFID key for bike security. Let’s make it…..

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Step 1:

Step 2:

Make a circuit board as per the circuit diagram. You can use the doted PCB or can order a prototype PCB for it. I designed a circuit board for it. and order my PCBs from PCBWay.com you will get the link for PCB Gerber file here.

Step 3:

Place all components in their respective places and solder them carefully. After soldering, the assembled board looks nice.

Insert Arduino nano in its place. connect RFID module to the board. and it is ready to program.

Step 4:

Programming is not that straight forward in this project. Here you need two programs to work with. First, we have to register an RFID tag as a valid key, For that, we need to find out the UID of that card, which we are going to use as the key.

To find out UID, open the code by name, "Read RFID Card", select COM port, and board type and upload it to the Arduino nano, now open serial monitor. As you open it, you will see the status of the module, whether it is connected or not. Now simply put your card on the reader module, you will see some information print on the serial monitor. Just copy the UID from this information. After copying UID, close the serial monitor. Now open another code by name "RFID Key For Bike" and pest here that UID, copied from the serial monitor. Like this way. And now upload this program to the Arduino nano. Download source code & circuit diagram from here.

Step 5:

I used some hot glue and insulating foam to stick the RFID module on the Arduino nano. Soldered red wire for positive 12-volt power supply and black wire for negative supply.

Connected a pair of wires in the output terminals of the relay. These two wires are going to connect in series with the ignition switch of the bike.

I used an old plastic box to secure this whole circuit assembly. Put all things in a proper way so that it can be easily fit inside of the encloser box and closed it.

Step 6:

This key unit can work with any vehicle, I tried this with my Hero Honda CD Delux. By Unscrewing two screws with the help of a screwdriver and the third one by the spanner I Open the headlight cover of my bike and find out a two-wire harness, which comes out from the bottom of the ignition key.

I removed it & cut one wire from this, removed insulation on both ends of the wires, and connect them with the yellow wires, coming out from the modified key unit. And secure this joint with the heat-shrinkable tube. In this way, I connected key unit in series with ignition lock switch.

Step 7:

For the demonstration, I fixed this box on fuel meter by using some foam tape. You can put it in a more secure place. Layed supply wire to the battery box of the bike, in such a way, so that they will not create any hurdle in regular use of bike. And connected the red wire to the positive terminal of battery and black to the negative terminal of it.

Put back covers, on their places……… and all set.
Hope you find this useful. if yes, like it, share it, comment your doubt. & for more such projects follow me. support my channel on youtube: youtube.com/ShubhamShinganapure

Direct order PCB for this project: https://www.pcbway.com/project/shareproject/An_Alt...

Thank You...!

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