Hi I want to make practical uv led flashlight with 50 uv led 3 Volt 25MA and 9 volt battery . I want Pcb of this flashlight please send me to my email. Rafee5000@gmail.com Thank you.
January 19, 2018
The NSI45025 will source 25 mA so connect it in series with two diodes across your battery. Do this 25 times, add a switch and you're done. Sorry, not able to supply PCB. Total current 625mA so your battery life will be short
January 26, 2018
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