430nm LED board

430nm blue light LED board for use with the Open Colorimeter. Use with the through-hole LED cuvette holder.

The 430nm LED board has STEMMA QT for connecting to the Adafruit STEMMA QT TSL2591 High Dynamic Range Digital Light Sensor board via a 4-pin cable and JST SH connectors. 

PCB Features

• Open hardware. KiCad design files @ https://github.com/iorodeo/i_control_led 
• On board voltage regulator enables operation from a 3.3V to 5V  input voltage
• Active constant current LED driver maintains stable LED current. 
• Dimensions: 25.4 mm x 20 mm x 1.6 mm
• Two 4-pin JST SH connectors (QWIIC/STEMMA QT)
• Four M2.5 through holes for mounting e.g. to a cuvette holder

LED Features

• Type: 5mm through-hole LED
• Wavelength: 430nm
• LED Luminous Intensity: 400 mcd
• LED Mfr Part #: SL905BCE