Dirk Gehrke (12)

1-07-2010 | In the article ‘RGB LED Mood Lighting’ (Elektor, February 2008) we mentioned that a remote control could be added to the unit. Here we descr...

1-03-2010 | The external appearance of this small module with an LC display almost belies what it has inside: a complete stereo preamplifier and final a...

1-02-2008 | High-brightness LEDs are being used more and more widely in lighting applications. Here we present a simple ‘mood light’ using just a few co...

1-07-2007 | The devices described here are tailored to fit the needs of modern DSPs, processors and FPGAs that require low supply voltages at relatively...

1-07-2006 | The TPS6420x controller is designed to operate from one to three series-connected cells or from a 3.3 V or 5 V supply obtained from a USB po...

1-07-2005 | If a device fails to respond to an IR remote control unit, the problem is often in the remote control, and it usually means that the batteri...

1-07-2005 | For many applications, programming a microcontroller after it has been soldered to the circuit board in the target application is more conve...

1-07-2005 | Two logic devices from revered Texas Instruments, the SN74AUP1T97 and ‘98 are logic glue components in tiny SOT23 cases. As shown in the dia...

1-07-2005 | This technique for modifying standard predrilled prototyping stripboard (‘perfboard’ or veroboard’) to accept SO IC packages is intended to...

1-07-2005 | The circuit described here is mostly aimed at development engineers who are looking for an economical step-down converter which offers a wid...