255nm UV LED Board

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255nm 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 h ardware 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 255nm UV LED Show more