- on Power Supplies
- Published in issue 1/2018 on page 6
Small low-power displays for DIY projects
For a long time, television sets and monitors were all equipped with cathode-ray tubes, but now that is ancient history. At the turn of the millennium there was a shift to flat-screen liquid-crystal displays, which consume less energy but still do not qualify as true low-power devices. That’s because LCDs do not generate their own light, but only change the polarisation of light shining through them.