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ComBots Cup, This Weekend! (Tickets Discount)

ComBots Cup, This Weekend! (Tickets Discount)

Our pals over at RoboGames are already…um… gearing up for another great robot bash-up next year and they want you to be there when the bolts burst and the wheels come flying off (’cause isn’t that what it’s really all about?). Once again they’re generously offering MAKE readers discounted advanced tickets to their 2012 games, their eighth annual international robot olympics.

Jeri Reverse Engineers an HC55564 Chip from an Old Pinball Machine

Jeri Reverse Engineers an HC55564 Chip from an Old Pinball Machine

In her latest Intersil “Academy of Analog Pinball Wizardry” video, Jeri Ellsworth replaces an HC55564 Continuous Variable Slope Delta (CVSD) codec chip with one she reversed engineered into an FPGA. What in blue-blazes is a CVSD modulator? Watch the vid and find out — as usual, Jeri does a great job of showing how it works, how she reversed engineered it, and what the result are.