This is awesome! However, unfortunately a single legitimate (many "uv led" devices on amazon are fake!) 285nm UVC led is between $7-21 USD [0].<p>0 - <a href="https://www.digikey.com/en/products/filter/infrared-uv-visible-emitters/94?s=N4IgrCBcoA5QzAGhDOkBMYC%2ByBsVQBLAEyhABYAGEZGAFzIGU6AnQgOwHMaQ6BPGAFMyAQwDOAYxBYsQA" rel="nofollow">https://www.digikey.com/en/products/filter/infrared-uv-visib...</a>