Andreas Köhler (8)

| Until recently, the Philips SAA1064 LED driver IC has been a sort of unofficial standard for driving seven-segment LED displays. It can be u...

| Most PC enclosures provide only a single LED to indicate hard disk access, with the LED being connected to the motherboard via a two-pin con...

| The MAX1562 is a purpose-built USB current limiter from the chip manufacturers Maxim. The device operates with a supply voltage from 4.0 to...

| LED displays offer a number of advantages over other display technologies: they are reliable, robust, easily readable from a wide viewing an...

| Alongside its purely functional uses the PC also has a position as a status symbol. At computer nerd get-togethers, it is de rigeur to have...

| Lighting effects are always popular and we frequently publish such projects in the pages of Elektor Electronics. Here is a circuit that uses...

| Moving signs are a common enough sight today but off-the-shelf units are invariably expensive and somewhat inflexible. The six-character mod...

| A direct competitor of the widely used IDE and E-IDE interfaces for hard disks, the SCSI interface still holds its own as an interesting a...