278nm UV LED Board

278nm UV LED board with current control for use with the UV Open Colorimeter. STEMMA QT for connecting to our AS7331 UV Sensor Board via a 4-pin cable and JST SH connectors. Open hardware KiCad design files @ https://github.com/iorodeo/i_control_led.

PCB Features

• On board voltage regulator enables operation from a 3.3V to 5V input voltage
  
• Active 16mA 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
• 278nm UV LED