Q. In the last few days, I’ve tried to play some video clips on my computer only to receive errors of “COOD109B”and “COOD1197.” I have tried every way I know how, including using Microsoft and Google, ...

[Rostislav Persion] wrote a simple Morse Code decoder to run on his Arduino and display the text on an LCD shield. This is probably the simplest decoder possible, and thus its logic is pretty ...

Equipment is described which has been constructed for converting analogue television signals into 8-bit PCM signals and vice versa. The conversion rate used for video signals is approximately 13 ...