Lib="Transistor_BJT" part="2N3904" description="0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/> 100V 0.15A standard switching diode, DO-35 2x5 pin shrouded header 2.54 mm spacing"/> Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14Switch, triple pole double throw, illuminated paddle, red and green LEDs K switch normally-open pushbutton push-button LED D MEC 5E single pole normally-open tactile switch http://www.ckswitches.com/media/1479/kmr2.pdf CK components KMR2 tactile switch 6mm ALPS SKHH right angle 3mm spherical light pipe 1 way 3mm PLCC-2 PLCC-4 ambient light sensor, https://www.kingbright.com/attachments/file/psearch/000/00/00/KPS-3227SP1C(Ver.16).pdf KPS-3227 Ambient Light Photo Sensor KPS-5130 photodiode RGB sensor Subminiature Reflective Optical Sensor Photointerrupter infrared LED with left dot One digit 7 segement super bright orange LED with dot One digit 7 segment high efficiency red, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segment green LED, http://www.kingbrightusa.com/images/catalog/SPEC/CA56-12EWA.pdf 4 digit 7 segment LED display Double digit seven segment super bright yellow LED with photo IC package for Everlight ITR1201SR10AR, light-direction upwards, see https://www.everlight.com/file/ProductFile/ITR1201SR10AR-TR.pdf reflective opto couple photo coupler package for Osram SFH9x0x series of boards, e.g. Https://learn.adafruit.com/adafruit-feather-m0-radio-with-rfm69-packet-radio Adafruit Feather.