how to make your own 3 point active LED caps

useful link

http://www.free-track.net/english/hardware/point_model_gallery.php#Three_point_active_LED_caps

IR LED TSAL6100

Vishay Semiconductor part TSAL6100 Digikey part 751-1203-ND wavelength = 940 nm forward voltage = 1.35 V DC forward current = 100 mA viewing angle = 20 degrees

IR LED SFH485P

• forward current 100mA
• forward voltage 1.5v

USB powered

battery powered

datasheet

http://www.farnell.com/datasheets/2047392.pdf?_ga=2.248766791.1143798061.1516339632-2120741978.1516339632