Elektor Team (9517)

1-12-2001 | This battery cooler is used to cool and discharge lead-acid battery packs found in model planes, boats and cars, so that they can then be sa...

1-12-2001 | Maxim (www.maxim-ic.com) have recently introduced an innovative IC the MAX1474 also called a FLECAP (Fine Line Electronically trimmable Capa...

1-12-2001 | The schematics show two crystal oscillator circuits constructed using the high-speed LT1394 comparator from Linear Technology (www.linear-te...

1-12-2001 | In the July/August issue of 1998 we introduced the LM75, a 9-bit temperature sensor. Since then, the same company (National Semiconductor) h...

1-12-2001 | The commutation of a fan motor as the rotor moves from one pole to the next can be clearly observed as pulses in its current consumption. Th...

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...

1-12-2001 | It is not always necessary to use special photoresistors or phototransistors to make light-sensitive switches. Although it is not well known...

1-12-2001 | There are several ICs on the market that are specially designed for charging Lithium-Ion batteries. The LM3647 from National Semiconductor i...

1-12-2001 | Normally, the level of a liquid in a container is determined by sensing changes in the capacitance or resistance between a pair of electrode...

1-12-2001 | A special cable known as Interlink or Laplink is usually necessary for a 4-bit direct cable connection between two computers. Using a small...