DIY PN532 Red Board: Bluetooth Access Duplication

Most people have a PN532 Red Board, which is inexpensive and can be used with software to duplicate access cards.

There are free software options like MCT, but it's difficult to crack the encryption of many secure access systems for free. You can purchase VIP access to PCR532, which will solve the access control issue. This software also supports Bluetooth.

There are various Bluetooth modules available. If you're using an Android phone, you just need an SPP slave module. Set the baud rate to 15200 in AT mode to match the PCR532 software's Bluetooth baud rate. Connecting is simple, just like a regular serial port: connect RX to TX, TX to RX, GND to GND, and 5V to 5V.

Next, let's talk about the other components. You can dismantle an ultra-thin power bank and add a Type-C port, a 2A charging and discharging module, and a power switch. Connect the module's battery level display to the outer casing using wires and add a momentary switch.

Here are the finished product and the accessories.

In summary, the PN532 Red Board is an inexpensive choice for duplicating access cards using software. VIP access to PCR532 can be purchased to crack encryption and solve access control issues. Bluetooth connectivity is supported, with easy connection options for Android phones. Enhancements can be made by modifying a power bank with additional components.