Samba Reggae 1 Pages Rhythms Table of Contents Findings Template Places to investigate. Note next to transistors to save on panel wires Move LED resistors next to transistors to save on panel wires 2eebdf7ecf Add four more switches/buttons, move LED drivers onto PCB added the once through idea with commentary by Correcting changed filename in .prl Correcting changed filename in .prl gets jiggy with PCB cutout, light-direction downwards, see http://www.everlight.com/file/ProductFile/ITR8307.pdf Relay SPST, Finder Type 34.81 (opto relays/coupler), vertical/standing form, see https://gfinder.findernet.com/public/attachments/34/EN/S34USAEN.pdf Hamamatsu spectrometer, see http://www.hamamatsu.com/resources/pdf/ssd/c12880ma_kacc1226e.pdf 3.2mmx2.7mm, 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 photo IC package for diode bridges, row spacing 7.62 mm (300 mils), LongPads 28-lead though-hole mounted DIP package, row spacing 15.24 mm (600 mils THT DIP DIL PDIP 2.54mm 10.16mm 400mil Socket 3M 28-pin zero insertion force socket, though-hole, row spacing 7.62 mm (300 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/cvs.pdf SMD 8x-dip-switch SPST CTS_Series194-8MSTN, Piano, row spacing 5.9 mm (232 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/cvs.pdf SMD 2x-dip-switch SPST , Slide, row spacing 7.62 mm (300 mils), body size (see https://www.ctscorp.com/wp-content/uploads/194-195.pdf 11x-dip-switch SPST , Piano, row spacing 11.48 mm (451 mils 20-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size 10.8x4.1mm DIP Switch SPST Slide 5.08mm 200mil SMD JPin SMD 4x-dip-switch SPST Omron_A6S-410x, Slide, row spacing 10.16 mm (400.