Burkhard Kainka (226)

1-11-2008 | When it comes to matters of memory, microcontrollers tend to be rather poorly endowed. An external USB memory stick is the ideal remedy, off...

1-11-2008 | Many practical tasks can only be solved by using accurate timing. The ATmega controllers are well equipped in this respect; the Mega8 to Meg...

1-10-2008 | The port pins are the gateway between real world events and the microcontroller. The user can send out control signals and read back informa...

1-09-2008 | The AVR series of microcontrollers from Atmel are very popular. Many projects already featured in Elektor have an ATmega beating away at the...

1-07-2008 | Ordinary LED flashers turn the LED on and off abruptly, which can get a little irritating after a while. The circuit shown here is more gent...

1-07-2008 | If you are the proud owner of an old oscilloscope tube, you may be interested in using it once more for its original purpose. All you need a...

1-07-2008 | Software-defined valve radio is a single-valve radio turned into a world receiver with some help from a PC. Power comes from four AA cells f...

1-07-2008 | A simple shortwave radio detector is neither very sensitive nor very selective. However, with a little extra amplification we can improve th...

1-07-2008 | Piezo crystals can generate voltages of many tens of volts when given a firm enough prod with a finger to bend the baseplate. The charge mov...

1-07-2008 | The PR4403 is an enhanced cousin of the PR4402 40 mA LED driver. It has an extra input called LS which can be taken low to turn the LED on....