Ohm’s Law & the LED Driver CircuitClass 2 Ohm’s Law, LED Driver Circuit, resistanceClass 3 Multimeter Technique & Resistor NetworksClass 4 Reading Schematics & Breadboard AnatomyClass 5 The Voltage Divider, Potentiometer & PhotoresistorClass 6 Practice Quiz Review & Reinforcing BuildClass 7 Capacitors & RC TimingClass 8 The Transistor as a SwitchClass 9 Milestone: Automatic NightlightClass 10
Logic Gates from TransistorsClass 11 The 555 — a Chip That Keeps TimeClass 12 One Shot — and Building OperationClass 13 Your Game — the Circuit, and the PlanClass 14 Your Game — Build DayClass 15
Same Blink, No Resistors — Meet the ArduinoClass 16 What Just Happened? HIGH, LOW, and Pull-UpsClass 17
The 4017 — Turning Ticks into StepsAppendix — retired Unit 2 (formerly Class 18) The 555 Timer — Astable ModeAppendix — optional depth for Class 12 From Transistors to a Chip — the 74HC Family & DatasheetsAppendix — retired Unit 2 (formerly Class 16) Combinational Logic — the Half AdderAppendix — retired Unit 2 (formerly Class 17) Demo Day, and the Great Chip CountAppendix — retired Unit 2 (formerly Class 20) Milestone: Traffic Light ControllerAppendix — retired Unit 2 (formerly Class 19)