DIY Solar 48V 100Ah lifepo4 battery pack, 80% DoD for over 6500 times cycle life. 10 Years warranty with unique QR code and lifetime technical assistance. with CAN/RS485 communication built inside compatible with Growatt, Victron, MUST,GoodWe, Deye,Sermater, Sungrow etc... Credit JustlithiumBa

DIY Solar This video was intended to show how to make a cheap $30 1000W DC test load. However, I realized testing this product that it can also be used as cheap off grid water heater alternative. Credit The Innovati0n Lab

DIY Tech Tips 3 TOP projects with old technologies - hdd & motherboard Credit Daniele Tartaglia

DIY Tech Tips Things you can make from old, dead laptops Credit DIY Perks

DIY Tech Tips How to make a projector at home Credit Simple Technic