README Udemy - Electricity & electronics - Robotics, learn by building index Formulas main formula sheet Circuits Static LED circuit Pulsating LED Circuit Mode tone generator speaker circuit Mode tone generator with potentiometer LED relay Components Resistors and Resistance Diodes Capacitors Breadboard Inductors PCB Speakers Potentiometers Switches and Relays Transistors Chips 555 Timer Tools Multimeter Soldering