Thomas Scherer (351)

| It’s difficult to be sure that your digital multimeter (DMM) is taking accurate measurements especially if it’s a few years old. This handy...

| Atmel’s 8-bit AVR microcontrollers lost their novelty value rapidly to become an established cornerstone of many Elektor projects over the y...

| Low-voltage halogen lamps have grown in popularity since their launch in the 1980s. The same timeframe has seen the development of ‘electron...

| This year, for the first time, the efficiency of LEDs has overtaken that of fluorescent tubes. Power LEDs are thus now a realistic and energ...

| The cathode ray tube (CRT) has made way for the LCD and digital has replaced analogue technology. This trend is also evident in the design o...

| Having treated himself to a new bicycle fitted out with all mod cons including a shiny hub dynamo, the author was looking forward to many mi...

| Diodes make admirable rectifiers and are simple and economical, but unfortunately they also exhibit forward voltage drop, and hence also pow...

| This circuit was developed as part of the current Elektor AVR-ATM18 project series. Troubled by a nagging feeling that a circuit is not a pr...

| The current consumption of the amplifier in an active TV antenna is typically between 20 mA and 50 mA. This current (at +5 V) can easily be...

| In November 2007 this magazine launched a competition under the title ‘The Challenge’. The task was to power a laptop in an unconventional w...