Hints for Projects(2019-11-12)

1. a lamp helps
2. screwed cables
3. new pluggable connections between sensor and arduino
4. iron solid cable connection
5. Debuging with Serial print
6. use LEDS to look if your programming logic works right
7. use a multimeter to test connections
8. are the libraries compatible?

Hints for Debugging Sketches(2019-11-13)

1. use variables to adress pins
2. Using senseful variable names
3. Use comments for documentation, what you want to do and why
4. removing vestigial code
5. Tools/auto format
6. use functions for code sequence
7. use local variables in a function and return the changed variable