Closes #9 Update readme, provide images, pcb and 3d qr adapter model

Author: sabifa

Pro Mini V2 3.3V/3D model/Fanatec QR Adapter Pro Mini.stl

@@ -0,0 +1,34 @@
+# Pro Mini V2 3.3V 16 MHz
+What you'll need:
+* Fanatec QR
+* [Pro Mini V2](https://www.ebay.com/itm/Enhancement-V2-Pro-Mini-328-16Mhz-3-3V-5V-adjustable-Arduino-Compatible-40Pins/324180291509?hash=item4b7aa6afb5:g:~UgAAOxymiVQ~6z~)
+* FTDI Adapter USB to TTL Programmer
+* PCB [can be found here](eagle%20pcb%20files/Gerber.zip)
+  * upload `Gerber.zip` to a PCB service like JLCPCB and order them
+* 1x Diode
+* 6x M5x20mm countersunk screws (like DIN 7991)
+
+optional:
+* 8 pin JST connector
+* 2x M2.5 screws to secure the pcb to the 3D model
+
+# How To
+* Make sure that the solder bridge on the Pro Mini is set to 3.3V
+* Program the Pro Mini using the option ATmega328P (5V, 16 MHz)
+* Mark the cable coming from the QR which is 5V
+* Solder the cables onto the pcb. Make sure that the marked cable (5V) is aligned with the 5V PCB pin
+  * You can either solder the wires coming from the Fanatec QR directly to the PCB (recommended) or use an 8 pin JST connector so you can plug the cables coming from the QR into it
+  * I had connection problems using the JST connector as the cable did not stick in correctly all the time, so I just soldered the wires and everything worked fine afterwards.
+* Bend the cable so that it fits into the QR housing like so:
+![Bent cable](photos/02.JPG)
+![Bent cable 2](photos/01.JPG)
+* Take the 3D printed QR adapter, put two M2.5 screws into each hole to secure the pcb
+* Make sure that the cable is not squeezed and use the six M5 screws to mount it to the Fanatec QR
+* Done!
+![Done](photos/03.JPG)
+![Done2](photos/04.JPG)
+
+# Downsides
+* In some rare cases my base reconnects if I connect the emulator to it. Nothing wild, just let it recalibrate and you're ready to race 
+* The base thinks that the funky push button is constantly pushed. I don't really know why this happens so I just disabled the code which makes the button functionality work.
+You can also find two pins on the PCB, 5V and GND, to power another button controller like an ESP32-BLE.

Pro Mini V2 3.3V/README.md

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