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Posts Tagged ‘toy’

Control panel toy with Stellaris LaunchPad

Monday, January 14th, 2013

Tom designed this mock up of a control panel for his kid's 3rd birthday. It has 26 LEDs, a joystick, 3 buttons, and 2 switches. A Stellaris LaunchPad is used to control the LEDs depending on what user interface options are pressed, moved, or switched. Via the forum. Happy birthday...

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Posted in project logs | 1 Comment »

8×8 bi-color LED matrix toy

Tuesday, January 17th, 2012

[embed]http://www.youtube.com/watch?v=1MkQzpkjcxQ[/embed] This a 8x8 bi-color LED matrix toy is driven by an MSP430 microcontroller, a few 74HC595 serial to parallel ICs, and some MOSFETs. At the end of the video you can see the animation in action. Via the forum.

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Posted in project logs | 1 Comment »

Recent Comments

  • Drone: So these go for around $330 USD and NO published calibration procedure online or otherwise? Given what's inside - I don't think I'll be considering...
  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
  • Daniel: It's been a week and my comment is still awaiting moderation. Apparently the CIA doesn't want their involvement known?
  • KH: Agree, so okay, I guess he must have learned from somewhere. 100nF and 1000uF is so far apart, that was jarring; it's more magic incantation...