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Topic: How to control one 16 segment LED (Read 1 time) previous topic - next topic

12458

Aug 11, 2015, 01:47 pm Last Edit: Aug 13, 2015, 10:15 am by 12458
Hello I want to control 1 16 segment led with the arduino mega. I do not know how. Please help me.

AWOL

#1
Aug 11, 2015, 01:52 pm Last Edit: Aug 11, 2015, 01:53 pm by AWOL
Spec?
Do you mean like a starburst character display?
"Pete, it's a fool (who) looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.
I speak for myself, not Arduino.

12458

#2
Aug 11, 2015, 02:25 pm Last Edit: Aug 11, 2015, 02:27 pm by 12458
I do not know where is the datasheet as this is a part of a salvaged clock. Here is what it says on the side.

12458


Paul__B

OK, it is indeed a starburst display.

What you now need to know, is whether it is a common cathode or common anode display.  You should be able to probe out the connections and figure out which sort using the "diode check" function on a multimeter.  You may get good hints by Googling "starburst display".

I count 16 segments plus a decimal.

12458


AWOL

OK, start with 16 I/O pins set to output, each with a 330 ohm resistor.
"Pete, it's a fool (who) looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.
I speak for myself, not Arduino.

12458


Isaac96

Do not PM me for help. I will delete immediately.
CONNECT THE GROUNDS!

After Tuesday, even the calendar goes W T F

Paul__B

It has a common anode
So tell me, how did you figure it all out - Google or the meter?

12458


12458

Can I control it with this?
http://www.farnell.com/datasheets/8620.pdf
A6276SLW-T

Isaac96

Probably. That driver will sink current, and you need to make sure you have the right amount of power flowing through your LED.
Do not PM me for help. I will delete immediately.
CONNECT THE GROUNDS!

After Tuesday, even the calendar goes W T F

12458

Does anyone know a IC that can control 16 segments and is through hole package(DIP)?

AWOL

Does anyone know a IC that can control 16 segments and is through hole package(DIP)?
28 pin ATMega 328P ;)
"Pete, it's a fool (who) looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.
I speak for myself, not Arduino.

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