LED Boards
Current-controlled LED boards for using with the Open Colorimeter instruments. They can also be used for any applications using STEMMA/Qwiic to incorporate a specific-wavelength LED. LED boards are available in a wide-range of UV, Visible and IR wavelengths.

Open Hardware Design
- PCB Size: 25.4 mm x 20 mm x 1.6 mm
- Two 4-pin JST SH connectors
- Four M2.5 through holes for mounting
- Surface mount or radial LED mounted in the center
- On-board voltage regulator enables operation from 3.3V to 5V input voltage
- Active 16mA (or 24mA) constant current LED driver which maintains stable LED current
LED Measurements & Specifications
We collect spectral data for each LED board using an Ocean Optics spectophotometer. For convenience all of this information is available in the gallery linked below. In addition to measured data, you can also find more LED specifications from the manufacturer and links to datasheets.
View all LED Boards
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White LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
255nm UV LED Board
Regular price $ 50.00 USDRegular priceUnit price / perSale price $ 50.00 USD -
275nm UV LED Board
Regular price $ 18.00 USDRegular priceUnit price / perSale price $ 18.00 USD -
278nm UV LED Board
Regular price $ 26.00 USDRegular priceUnit price / perSale price $ 26.00 USD -
Sold out357nm Radial LED board
Regular price $ 53.00 USDRegular priceUnit price / perSale price $ 53.00 USDSold out -
365nm Radial LED board
Regular price $ 21.00 USDRegular priceUnit price / perSale price $ 21.00 USD -
Sold out365nm UV LED Board
Regular price $ 8.00 USDRegular priceUnit price / perSale price $ 8.00 USDSold out -
378nm Radial LED board
Regular price $ 25.00 USDRegular priceUnit price / perSale price $ 25.00 USD -
Sold out385nm UV LED Board
Regular price $ 8.00 USDRegular priceUnit price / perSale price $ 8.00 USDSold out -
395nm UV LED Board
Regular price $ 8.00 USDRegular priceUnit price / perSale price $ 8.00 USD -
400nm UV Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
Sold out415nm UV LED Board
Regular price $ 8.00 USDRegular priceUnit price / perSale price $ 8.00 USDSold out -
430nm Radial LED board
Regular price $ 16.00 USDRegular priceUnit price / perSale price $ 16.00 USD -
450nm Radial LED board
Regular price $ 32.00 USDRegular priceUnit price / perSale price $ 32.00 USD -
470nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
470nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
496nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
505nm Radial LED board
Regular price $ 15.00 USDRegular priceUnit price / perSale price $ 15.00 USD -
520nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
527nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
Sold out557nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USDSold out -
570nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
575nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
Sold out590nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USDSold out -
595nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
610nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
610nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
625nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
630nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
640nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
660nm LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
660nm Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
850nm IR LED Board
Regular price $ 7.00 USDRegular priceUnit price / perSale price $ 7.00 USD -
850nm IR Radial LED board
Regular price $ 15.00 USDRegular priceUnit price / perSale price $ 15.00 USD -
Sold out880nm IR Radial LED board
Regular price $ 15.00 USDRegular priceUnit price / perSale price $ 15.00 USDSold out -
940nm IR Radial LED board
Regular price $ 14.00 USDRegular priceUnit price / perSale price $ 14.00 USD -
Radial LED board - 16mA
Regular price $ 11.50 USDRegular priceUnit price / perSale price $ 11.50 USD -
Sold outRadial LED board - 24mA
Regular price $ 11.50 USDRegular priceUnit price / perSale price $ 11.50 USDSold out
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