Though it is many decades since paper tape was commonly used as a data input or storage medium, it still holds a fascination ...

Replacing that got things working except for random resets due to a faulty brown-out reset circuit. That was easy to fix, too. Of course, if you are really cheap, it is easy to make a paper tape ...

If one strip runs out, tape it down and start a new one ... If you are using A4 paper you will probably need to cut up 2 - 3 sheets. You will be folding these over so make sure the strips are ...