Outdoor solar harvester v. 2.0

Custom leather passport cover with laser cutter.

18650 Lithium battery pack without spot welder.

Homemade solar harvester to power your outdoor projects.

Making Waveshare 5 inch HDMI LCD work with BeagleBone Black

Charging and discharging a supercapacitor, calculating real capacity.

How I restore unfinished recordings from Canon camera in Windows/Linux/Mac.

Lab PSU + universal battery charger for minimalists.

Growing mushrooms at home - beginner's experience

Детектор отсутствия напряжения в сети