Small DIY project, that helps sometimes then is blackout or need light in places where no electricity. This simple device is made from cheap electronic modules from Aliexpress.
Modules what i used:
One of the cheapest DC-AC Step Up moduleAlso one of the cheapest and smallest DC-DC Step Up moduleBest Lithium battery charger moduleDraft of connection scheme of all modules Assembling all parts in case Assembling all parts in case Assembling all parts in case Complete device
How device works and all tests are available in video on top of the page.
Please click on advertisement to support my YouTube channel and this Website
Modules what i used: