Connecting Multiple LED's/7Segment displays with MCU?
Posted: Fri Jun 24, 2011 7:21 am
Hi all.
I was wanting to connect display speedometer and a rev gauge with a mcu (PIC16f877A) similar to what is displayed in a formula one racing wheel displayed.
So in total i would like to have around 8 7 segment displays (possibly 14 or 16 segment) to display lap times, speed etc.
1 7 segment to display gears.
15 Led's to display the rpm.
So far I was able to test 4 of the 7 segment displays multiplexed and it displays well however I am not to sure how the total load of everything connected will handle.
I was just looking on thoughts on techniques to display all these components effectively. Should I use a particular driver/chip to drive the segment displays or leds? What are some configuration to use to connect these all together? Advantages/Disadvantages?
Thank you.
I was wanting to connect display speedometer and a rev gauge with a mcu (PIC16f877A) similar to what is displayed in a formula one racing wheel displayed.
- ferrari_2008_f1_steering_wheel.jpg (21.45 KiB) Viewed 4096 times
1 7 segment to display gears.
15 Led's to display the rpm.
So far I was able to test 4 of the 7 segment displays multiplexed and it displays well however I am not to sure how the total load of everything connected will handle.
I was just looking on thoughts on techniques to display all these components effectively. Should I use a particular driver/chip to drive the segment displays or leds? What are some configuration to use to connect these all together? Advantages/Disadvantages?
Thank you.
Is it a coincidence?