Electronics and technology blog    /    Materials for 20.04.2017

A short video about power supply output filters.

I was offered the chance to take a look at a TV box based on a new SoC from RockChip, and I couldn't say no. If you're interested in a closer look, teardown, tests, and a few conclusions, read on.

I’ve already reviewed a DIY engraver with a 2.5-Watt laser. As it happened, I got my hands on a similar engraver, but four times more powerful, though it does have a few quirks of its own. Everything about the engraver and its quirks, as always, after the jump.