YX8018 in solar powered garden LED lights
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README.md

YX8018 Joule Thief Solar LED Driver

A 4-pin integrated circuit for driving solar powered garden LED lights.

http://shiningic.com/download.asp?id=7

As found in the $3 Solar Lytworx LED spotlight from Bunnings:

https://www.bunnings.com.au/lytworx-27cm-3-led-spotlight-solar-light_p4352170

You can buy 10x YX8018 ICs on AliExpress for around $1.50:

https://www.aliexpress.com/item/10PCS-Solar-Driver-IC-YX8018-8018-Solar-Light-Joule-Thief-DC-DC-Converter-Booster-IC-1/32837214177.html

Contents:

  • Ni-Cd AA 300mAh 1.2v rechargable battery
  • YX8018 solar LED driver IC, TO-94 package
  • Solar panel, 5cm x 5.5cm
  • 3x white LED
  • 100 Microhenrys +/-10% inductor (brown black brown silver)
  • Switch

YX8018 pins:

  • 1 LX
  • 2 GND
  • 3 CE
  • 4 VDD

Fritzing:

Fritzing Breadboard

Links: