Block diagram

Today we completed our plan of approach, we made some very important decisions and we drew rough a block diagram of our project. I'm going to give a little bit of information below about the parts of this block diagram.

This is a general block diagram of our project. We are going to order different NFC-cards (or RFID-tags). We decided to use the NFC Shield [SLD80453P] as NFC-reader.

Because a NFC-reader circuit is High-Frequency it is difficult to make it yourself because with High-frequency circuits you must take parasitic capacitances into account and you have to have the right frequency and so on.. so we decided to order this PCB and make our own Microcontroller PCB probably with a ATMEGA328 microcontroller like in the arduino-board but that is still an issue.

We were not sure what we were going to do with the RBG LED's, eventually we decided to use a Digital Addressable RGB LED strip.

This Digital Addressable RGB LED strip has LED drivers build in on the strip, this is very useful because if we would make this by ourselves we would have an enormous PCB so we decided to order this as well. The LED drivers they use are the LPD8806 (in the newer versions of this product) and the HL1606 (in the older versions of this product). The color of the RGB LED's are controlled by using PWM.