A benchtop power supply is a key thing to have for ... There’s also a fused stepdown converter used to supply variable voltages as needed. Its original trimpot was replaced with a multi-turn ...

[Septillion] and [Hugatry] have come up with a hack to manipulate a USB charger into becoming a variable voltage source ... simplify the control of the power supply. The video below shows ...

A gigawatt revolution is set to reshape Europe’s energy landscape. Solar-plus-storage has become the cheapest stable and ...