All items tagged with LED and Gerber (74)

1-01-2004 | Everybody gambles sometimes, perhaps in a lottery or even in a casino. After all, who doesn’t dream of becoming rich without having to work...

1-12-2003 | As this issue comes through the letterbox, it’s around the time that the Christmas decorations are taken out of the attic. And if you hurry...

1-07-2003 | This circuit senses AC audio voltage supplied to the car-radio loudspeakers and displays it as power using a LED bar graph, achieving at the...

1-03-2003 | The serial port (often called the COM port) is perfect for connecting various electronic circuits to the PC. The complexity of the connected...

1-02-2003 | Most commercial digital Capacitance meters can measure capacitors from a few pFs (picofarads) up to 2,000 µF (microfarads). A few are able t...

1-01-2003 | Using a simple SMS message sent from your GSM phone, two mains powered loads may to be switched on and off independently, or programmed to d...

1-11-2002 | You would be forgiven for thinking that a torch is probably the ultimate minimalist circuit: all you need is a battery, switch and bulb and...

1-07-2002 | Most of the analogue audio media, including radio broadcasting, stick within 60 dB dynamic boundaries. This VU Meter was designed to be used...

1-06-2002 | White light LEDs have been a long time in the making. This design (as part of our Mini Project series) employs a simple circuit to make the...

1-12-2001 | A flashing LED based on a 555 is not likely to win the first prize for originality, but such a circuit continues to be useful for all kinds...