30.3 Circuit working - Kinda
Last minute problem needs expert help, or maybe a microswitch

30.3 New Partslist for #project5
Having to handle some inconvenient features of reality

29.3 Circuit Redesign
Resorting to Comparator IC, reality check after some optimism

27.3 Is there enough juice?
Testing if the available kinetic energy can power up a buzzer

25.3 Partslist for #project5
Are you pulling my string?