Daily Archives: January 15, 2017

Arduino composite video out using only 3 resistors

It’s supposed to be easy – 2 or 3 resistors and you can get your Arduino micro controller to produce low-resolution black and white composite video. Well, it wasn’t for me. It took me hours to get it working, but … Continue reading

Posted in Arduino, computers, hardware | Tagged , , , | 9 Comments

The truth about cats AND/OR dogs

Here’s an activity I think you could do with almost any year group in KS2 or KS3. You could use it to teach about the origins of modern databases in Hollerith’s punch cards used to collect US census and immigration … Continue reading

Posted in computers, education, ICT | Tagged , , , , | 6 Comments