Timeline for Driving 12 Seven Segment Displays from an Arduino
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 2, 2013 at 0:40 | comment | added | Ignacio Vazquez-Abrams | This one uses 3 pins: data, serial clock, latch. | |
| Sep 2, 2013 at 0:39 | comment | added | user28334 | I'm liking the 3 chip plan versus the 12 chip plan. (some bit smaller) How many pins on the arduino will that use up? i need to also hook up 3 rotary encoders and 2 on/off toggles | |
| Sep 1, 2013 at 23:57 | comment | added | Ignacio Vazquez-Abrams | @NickAlexeev: That sounds like a valid answer to me. Perhaps you should post it. | |
| Sep 1, 2013 at 23:51 | comment | added | Nick Alexeev | ... or 3x SAA1064 connected through I2C. | |
| Sep 1, 2013 at 23:49 | comment | added | Polynomial | Worth noting, though, that the 74HC595 alone might not sink enough current to drive all those LEDs at once. Per-segment transistors may be needed to drive them. | |
| Sep 1, 2013 at 23:38 | history | answered | Ignacio Vazquez-Abrams | CC BY-SA 3.0 |