Introduction - If you have any usage issues, please Google them yourself
This procedure is the routine display module, the access device for four eight led digital tube, which PTB0-PTB3 bit digital tube and connected to the election, PTB4, PTB5 with 74LS164 sure you connect the development of on-board DIP switch JP1 ( picture on the 12) two and JP4 (picture on the 9) of 5,6,7,8 located at on), while the other located at far away from the on!