The project was based on AVR AT90S8515 and HDSP8820 to create a bar graph which can be modified to move the light from side to side that is similar to knight rider bar. The design of the device ...

[BikerGlen] wanted to spice up his zombie containment unit (see video below) so he designed and 3D printed some very cool looking bar graphs. Apparently, you can get curved bar graph LEDs, but only if ...

The driver board with display attached; the row of lamps is visible on the right hand side. LEDs weren’t always an easy solution to displays and indicators. The fine folks at [Industrial Alchemy] ...