Hacked Gadgets Forum

August 10, 2010

Bi-Color LED Clock based on the TI MSP 430 Microcontroller

at 12:36 pm. Filed under DIY Hacks, Electronic Hacks

bi-color-led-clock-based-on-the-ti-msp-430-microcontroller


Kenneth Finnegan just completed a Bi-Color LED Clock project that is based on the TI MSP 430 Microcontroller. Thanks to the cheap development environment I think we will soon see many more MSP430 projects in the near future. Kenneth used a plastic single gang junction box and a cover plate as the project box, coming in at around $1.00 it would be hard to find a cheaper box to house the project. The interface to the project is a toggle switch and a push button, it looks like after a bit of button debounce is implemented the project will be perfect. There is a full schematic and code provided so you can make your own.

“Parts list:

  • MSP430G2101 controller (though any MSP430G2 controller with 1k+ of flash should work
  • 32.768kHz quartz crystal. I happened to only have a 6pF one, instead of the more standard 12.5pF, but the crystal oscillator in the MSP430 can be adjusted in software to match either.
  • perf board large enough to fit the controller
  • 1 14 pin DIP3 socket
  • 2x 120Ω resistors for the bicolor LED anodes
  • 1 bicolor red-green LED
  • 1 5mm LED panel mount
  • 1 100μF and 1 0.1μF capacitor for power filtering on the perf board
  • 1 2xAA battery clip
  • 1 4k pull-up resistor for the reset pin
  • 1 NO (normally open) push button
  • 1 SPDT (single pole double throw) switch with center off position
  • 1 gang box and blank cover”



 

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4 Responses to “Bi-Color LED Clock based on the TI MSP 430 Microcontroller”

  1. LazerBeam Says:

    Why work so hard & use valuable brain power JUST to look at the time, bro? Can’t you come up with a cooler
    display mechanism that is Actually EASIER And QUICKER to read???

  2. DIY Bi-Color LED Clock! Says:

    […] via hackedgadgets, Project Page […]

  3. Electronics-Lab.com Blog » Blog Archive » MSP430 Bicolor LED Clock Says:

    […] Kenneth Finnegan build a Bicolor LED clock based on MSP430. Project is developed using low cost Launchpad development platform from TEXAS Instruments. The MSP430 microcontroller is designed for low-power battery applications. The clock is controlled using a push button and a toggle switch. To display the time the LED is flashing in two different colors. Green flashes mean 10, yellow 5, and red 1, so the time 5:28 would be displayed as YELLOW [PAUSE] GREEN GREEN YELLOW RED RED RED (5:10+10+5+1+1+1) [via] […]

  4. Whatnot Says:

    Needs a better quality button 🙂

    It’s a nice ‘viral’ way to point out those TI development thingies, and that’s not wrong, I like how TI actively tried to spur on homedevelopment.

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