Opto isolators ( moc3020, moc3040 available ) can be used for the control of devices or lamps that operate with driver circuit 220v. circuit varies according to the flexible triac power in p... Read more
Although ‘just for fun’ robotic applications can usually male do with the few bytes to few hundred bytes of Flash memory that’s available in most current microcontrollers,... Read more
You will do doubt have seen pictures from ‘RoboCup’ showing robots booting footballs from one end of the pitch to the other. Building an electromechanical robot like this is enti... Read more
should transmit constantly while the train is moving and continue transmitting for a few minutes after the train stops. But if the train starts up again after a relatively long halt, imagery... Read more
Armed with a Smartphone you can surf the Web, send emails, text, chat, download and listen to music, take and post photos and video clips, listen and view TV stations, navigate, place bets a... Read more
Why build an electrosmog (‘E-smog’) detector? The answer is quite simple. More and more of our everyday objects are based on some sort of electrical ‘core’: your toothbrush, camera, cellphon... Read more
The flash module in this circuit comes from a Fuji disposable camera. The author’s design is based on various ideas on this subject that can be found on the Web. The guide number [1] of the... Read more
Some video cameras have a socket w for a remote control unit. It appears, however, that it is not always easy to connect and interval-control to this socket. For instance. the Blaupunkt 8010... Read more
