Digital LED Clock

[bluehash 1,581]

mnpumar, did you charlieplex the LEDs?

[mnpumar 2]

mnpumar, did you charlieplex the LEDs?

 

Yes, they are multiplexed digit by digit. The hours are combined into one multiplexed grid, and the minutes are each multiplexed separately. It took me hours on end to make all the connections on the breadboard to make this possible.

[Mike 0]

Hello,

may i ask why you chose to use 4

[simpleavr 399]

Hello,

may i ask why you chose to use 4

[GeekDoc 226]

Hello,

may i ask why you chose to use 4

[rivalslayer 0]

WOW! That's a big thing. I never thought about big stuff with the MSP430 Value line. You gave me inspiration man! I like it. Thanks for sharing!

[NJC 17]

Very interesting project. I have skimmed through the posts relating to this project, taken a look at the code and have one question. Do the MSP430s communicate with each other? I might have missed one of the posts which discussed this, so I apologize if this has been explained once already. If so, do you use I2C? or some other method?

[bluehash 1,581]

Very interesting project. I have skimmed through the posts relating to this project, taken a look at the code and have one question. Do the MSP430s communicate with each other? I might have missed one of the posts which discussed this, so I apologize if this has been explained once already. If so, do you use I2C? or some other method?

 

They don't "communicate". There is a clock line going to each slave from the master.