(1:20) schematic organizing rectangle, (2:00) connector schematic, (3:35) connector footprint, (5:18) adding an op amp, (7:50) adding op amp footprint, (8:55) photodiode, (9:45) add connector in parallel with photodiode to add additional sensors, (11:30) add connector in line with LED to measure current, (13:35) placing photodiode in the correct location, (14:17) flipping components to the other side of the board, (16:30) changing appearance, (17:45) adding power planes, (20:25) running DRC (design rule check), (22:45) 3D view
