Name: [1040] Fingerprint/RFID Lock Defeated With a Paperclip (Mengqi-Control)
Uploaded: 2020-03-30T03:53:35.000Z
Duration: 3 min 41 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

And what I have for you today is a monkey control magnetic door lock controlled by a combination fingerprint R F I D control panel.

Basic passive voice

This system, which sells as a set on Amazon for $170 was sent to me by Mark in Cambridge, Massachusetts.

So, Mark, thank you very much for the generous donation.

I set everything up on this demo board, then wired according to the manufacturer's instructions.

There's a few different things here, so let me walk you through the various components.

First, we have the magnetic lock itself, which, according to the manufacturer, can hold a door closed with £600 of force.

This will be on the external side of the door, and it could be activated in a few different ways.

I can see it released the magnetic clamp.

I'm going to use user number one with the set password of 1234 Okay, The next thing we have is the request to exit button.

This goes on the inside of the door and unlocks it when someone wants to get out.

And the last item on the board is the power supply and control module.

Now all of this looks very impressive, but there's a pretty fundamental flaw with the set up that's actually very common on these standalone systems.

Ideally, the device on the outside of the door should read the credential and then transmit it to the secure side of the door for verification.

This device captures the credential, verifies it and tells the door to open.

Essentially, what that means is that these wires are sending a no signal, and we need to change that into a yes.

Unfortunately, all we need to do it is a paper clip and the screwdriver.

There is one screw holding the cover plate on.

I should note that some devices like this will have an anti tamper switch.

However, this one does not, and even if it did, they tend to be fairly easy to bypass.

So as I look on the inside, I can see four wires going into this, a red and black, which will be our power and ground.

Those blue and orange are labeled on the circuit board as and Oh and C O M N o stands for normally open and C O.

So normally the circuit between these two wires is open.

We just need to close that circuit, and I'm going to do it by bridging them with this paper clip.

So as you saw, despite the intimidating high tech appearance by passing, this is just a Z Z as opening a simple mechanical lock.

In any case, that's all I have for you today.

If you do have any questions or comments about this, please put them below.

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[1040] Fingerprint/RFID Lock Defeated With a Paperclip (Mengqi-Control)

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