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All about electronics and circuit design

LED COB module tested

LED manufacturers continue to innovate to improve economies of scale. One of the newest packaging solutions designed to help lower costs is chip-on-board (COB) light source modules. COB (Chips on Board) , is a technology of LED packaging: Multi LED chips are packaged together as one lighting module. When it light up, it looks like

Friday Fun: Be a YouTube DJ

Nowadays you can find very much music from YouTube. With YouTube can play music easily, but could you be a DJ with the material found from YouTube? It seems you can play DJ with material from YouTube in your web browser. I found an interesting service YouTubeMixer where you can be a DJ that mixes

New charging cable Micro USB connector fits both ways

One annoying thing on micro USB charger is that you need to plug it right way. Now there are solutions to this coming in form of revesible USB type C connector and reversible versions of older USB connector models and wireless charging. The reversible Micro USB would be nice to have for charging current smart