It has been a while since I have been otivated to write an 'ible. During this idle time I have been writing, rewriting and editing code as well as designing lots of PCBs.
For my new ible which I have refined the code for I have made the Arduino Uno display pi one digit at a time I only went so far.(depending on how many digits you are willing to copy, paste and edit you can have more or less. )
So, let's build it!
Step 1: Parts, Parts, Parts
1 Single Digit Seven Segment Display (Try to get common cathode. If you don't you will need the transistors.)
7 Transistors (I used these to drive the single digit seven segment. If you got common anode then you need these.)
7 1K resistors( You will need these if you have transistors.)
Common anode: All the pins have the positive lead in common.
Common Cathode: All the leads have the negative lead in common.
Step 2: A Bit of Theory Before Moving On.
Step 3: Programming.
The T's indicate the transistor numbers like on the page before or the page after this one. The A,B,C,D,E,F,G are standardized seven segment letters. Above I have standardized seven segment letter names for your reference.
Upload this code to the Arduino:
Step 4: Build.
So in the end resistors are essential.
Build according to the schematic. I used a bread board. Depending on my mood I might use perf board or even print a whole PCB...that will be coming soon.
Step 5: Done!
You can edit the string to your pleasure...your birthday, your name...whatever you want!
I hope you enjoyed this Instructable.
Leave a comment if you have any questions or comments.