Feb 24
1. Arduino serial input/output demo
2a. Aaron's motors with DC power supply; volt vs amp limited
2b. Aaron's counter and button box.
3. Output of Raven's synthesizer on oscilloscope
4. Sam's quest for keypad mastery.
No sign of 3D printer yet. (Sigh.)
Progress , questions, problems from others?
Assignments through spring break posted.
Sam notes
Logic gates :