I plan to buy some ultraviolet LEDs to assemble a hand sterilizer. What precautions should I take with my project?


The LEDs must be ultraviolet C. However, the utmost care must be taken so that, in no way, the radiation can reach people's eyes, as they are dangerous. Only the hand should receive this radiation and for a period that must be researched in medical documentation so that it does not cause damage to the cells.





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