Running a brushed motor in muddy or dusty environments takes a toll on controllers, with both heavy back EMF and high stall currents. This explains one of the challenge in Europe’s Hacky Racer series, ...

[jbumstead] used MATLAB to convert the text messages into binary to be cut out of the disk. [jbumstead] wanted to demonstrate the idea of information-storing devices such as LPs, CDs, and old hard ...