magvitron
Active Member
hey you could illuminate a bunch of LEDs using a thing called https://www.instructables.com/id/Make-a-Joule-Thief/ and you can use with that small AAA sized batteries or cellphone batteries
advantage:
1. more illumination time
2. less drain on battery
3. less weight (small sized battery)
more :
**broken link removed**
advantage:
1. more illumination time
2. less drain on battery
3. less weight (small sized battery)
more :
**broken link removed**