visitors this year: 47
visitors this year: 61 You can sense the human pulse cheaply using a sound sensor. While pulse sensors can now be found even in phones, using a sound sensor works too. Hold a sound...
rogerfrost.com is about using technology with a curious mind. We’re interested in home automation, gadget hacks and using sensors to understand what’s going on around the house. You can use keywords and the search box above to find content.
Please enjoy and share this advert free content. To say hi – ‘leave a reply’ button on this page – the message goes only to me in Cambridge, UK.
Roger Frost (his cv) has been writing about technology for all the years since 1988 and this web includes his articles; tutorials, radio interviews and, going back to our early days, lesson ideas for science teachers.
HOME AUTOMATION:
