04. Class - juxtapix/IMA_E4I GitHub Wiki Concepts: Integrated Circuits Oscillators and Timers Components: 555 Timer IC: Monostable Mode 555 Timer IC: Bistable Mode Tools/Skills: Soldering Prototyping Boards Readings: _Operational Amplifiers: 8.0 - 8.18 LAB: 555 Toggle switch (bistable) 555 Bounce-free switch (monostable)