Connect 4 on ATmega324 microcontroller
You can see the rule of the game here: https://en.wikipedia.org/wiki/Connect_Four
Go to bootloadHID.2014-03-29\gui and open HIDBootFlash.exe.
Connect the microcontroller and click on Find Device. After this, upload the .hex file generated from the makefile. Select Reboot and flash device. Now you're good to go.
Datasheets:
LED Matrix: https://www.kingbrightusa.com/images/catalog/spec/TBA23-11EGWA.pdf
BCD: http://www.ti.com/lit/ds/symlink/cd74hc42.pdf
Enjoy!