Timeline for How can I control many LEDs with just a few pins on my micro?
Current License: CC BY-SA 2.5
6 events
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| Mar 4, 2011 at 21:48 | comment | added | JYelton | Thanks - I should design a project that makes use of I/O expanders to force my learning of their usage. | |
| Mar 4, 2011 at 21:15 | comment | added | kenny | +1 You can drive a lot of LEDs with TI's TLC594 (focus.ti.com/lit/ds/symlink/tlc5940.pdf), but it may be overkill for many jobs. search.digikey.com/scripts/DkSearch/… | |
| Mar 4, 2011 at 19:32 | history | edited | mjh2007 | CC BY-SA 2.5 |
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| Mar 4, 2011 at 19:32 | comment | added | mjh2007 | An I/O expander is external chip that contains I/O pins and registers. You can use standard communication bus like I2C or SPI to communicate with them. | |
| Mar 4, 2011 at 19:26 | comment | added | JYelton | Can you elaborate on what I/O expanders would be? | |
| Mar 4, 2011 at 19:25 | history | answered | mjh2007 | CC BY-SA 2.5 |