arduino 9250

  [adrotate banner=”7″]   . If not then here’s a quick rundown.. If your shelf is not level, then due then due to Earth’s gravitational force, the air bubble will not stay in the middle. That makes such a spirit level a handy tool the have, if you do not want your spherical objects to […]

arduino battery

  [adrotate banner=”7″]   The only feature that is missing for me here is battery level indicator, for which we could use this lipo battery voltage, tester that I got a for cheap from eBay and while it certainly measures the voltage of each cell correctly I’m – not thrilled about this play. Since you […]