I finally decided to build the lamp with only one 18650 battery.
As an LED, I would most like this one here
4.92€ 14% OFF|CREE XHP50 XHP70 XHP50.2 XHP70.2 2 generation Cool White Neutral White Warm Weiß LED Emitter 6V 12V mit 16mm 20mm Kupfer PCB|led emitter|cool whiteneutral white - AliExpress 1ed22d38-d450-4701-981e-6ec1005b5513 & ws_ab_test = searchweb0_0, searchweb201602_10, searchweb201603_52
Color: Cold White 6500K
Wattage: XHP50.2 LED
20mm 3V DTP Copper
How can I get the right supplies?
Is that with 7135 drivers or I need something as expensive as this: https: //www.aliexpress.com/item/32897809607.html? Spm = a2g0x.12010612.8148356.10.79721162SxsYnv
to buy ?
here are my previous thougths Cree XHP35.2 Maschinenprojekt