Luc Lemmens (178)

1-09-2005 | Occasionally it seems there’s no alternative to prying a component off a printed circuit board. When a repair job is on hand involving the r...

1-07-2005 | The edeFT639 is an 8-pin chip that will control five servos through one 2400-baud serial line. As you can see from the schematic, the only e...

1-07-2005 | In some cases I2C signals need to be level-converted if they are exchanged between (sections of) logic systems operating at different supply...

1-07-2005 | Many PC motherboards (perhaps most of them, in fact) are fitted with a connector for an infrared communication port. That connector is gener...

1-06-2005 | The big day is 1 July 2006. From then on, use of lead in electronic circuitry will be prohibited by the Restriction of Hazardous Substances...

1-12-2004 | From time to time you may come across a unit of measure that’s completely unfamiliar. It also happens that the name sounds vaguely familiar,...

1-05-2004 | IrDA sure looks like an attractive medium for conveying data across small distances. Unfortunately, the associated hardware generally causes...

1-12-2003 | In many projects use is made of alphanumeric LCDs that are driven internally by Hitachi’s industry-standard HD44780 controller. These displa...

1-07-2003 | In networks, the supremacy of coax cable is a thing of the past. Nowadays, Ethernet connections are made using UTP cables. The BNC plug has...

1-04-2003 | Thanks to a special integrated circuit from FTDI Chip, computer peripherals with an RS232 interface are easily connected to a USB port. This...