Updated SD card speed tests
As some of you may know, Jim and I benchmarked a number of SD cards a couple of years ago....
Testing LED strip
Many people do not realise how much heat is generated by modern high brightness LEDs. An old-fashioned 100W incandescent light...
Test circuit and code for a Hewlett Packard HDSP-2490 display
One of the component cabinets I bought for the MakerSpace at the Dunstable Downs Radio Club rally in May turned...
