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IO Rodeo

278nm UV LED Board

278nm UV LED Board

Regular price $ 26.00 USD
Regular price Sale price $ 26.00 USD
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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 @

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 
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