Id check the circuit first if I were you !! There seems to be some lines missing on the LCD which looking at seems to be in nibble mode for data , but where are the control lines RS, Clock , RW + 4 extra lines gives you LCD parallel mode
What then does the finger printing module output I2C , One wire bus , Serial ?? I can’t tell looking at the diagram Can you??
It might also be an idea to produce a flow chart plus algorithm otherwise No one else knows what you’re doing
Where is the print stored In a memory chip Inside the CPU's Ram where??
Unless you can at least s provide a breakdown of what this does then i don’t really think anyone can help you with this at all
Last but not least copying doesn’t teach you anything and when it comes to programming the only way you ever learn is by doing That means sitting at a pc and writing the software your self Anyone can copy not everyone can programme and you can read as many books as you like on how to but that in itself will not make you a good programmer
Mark www.harrington.force9.co.uk
