5x7 LED dot-matrix problem

Status
Not open for further replies.
R

razor_guy_mania

Junior Member level 1
Joined
Feb 11, 2006
Messages
16
Helped
2
Reputation
4
Reaction score
1
Trophy points
1,283
Activity points
1,443
Hi,
I need help with a 5x7 LED dot-matrix display.
I cannot use it properly coz the vendor did not give me any datasheet OR pin config. AND there r no pin numbers on it. the vendor said that the displays are standard like gate IC's that irrespective of manufacturer the pin config is same.

I cannot find a way to light specific LEDs using the given pins.
Plzz some1 help me.
 

Take a look at the picture below .. it shows common pin configuration of 5x7 LED dot-matrix ..
Compare with what you have then get a 9V battery (or power supply) with a current limiting resistor (1kΩ-10kΩ) and test pins, say, 13 and 9 - you have two options: for common anode (+) goes to pin 13 and (-) to 9, for comman cathode the opposite way around ..

**broken link removed**

Regards,
IanP
 
Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…