read the datasheets to find out the pinout...scottiehon said:i'm using 5x7 dot matrix led for fyp. bt why there is 10 pins on upper and bottom respectively? In other hand, 8x8 just hav 8 pins on upper and bottom?
Added after 8 minutes:
how to differentiate between common anode and common cathode?
Comon cathode? just like regular led, where you put your + pr the groundscottiehon said:i'm using 5x7 dot matrix led for fyp. bt why there is 10 pins on upper and bottom respectively? In other hand, 8x8 just hav 8 pins on upper and bottom?
Added after 8 minutes:
how to differentiate between common anode and common cathode?
use RS232..and connect to wireless module..yupng said:IF i use a keyboard to enter text then send it out via any wireless to the display board. How i send out the date from keyboard using wireless......
Anyone can help??
leoren_tm said:use RS232..and connect to wireless module..yupng said:IF i use a keyboard to enter text then send it out via any wireless to the display board. How i send out the date from keyboard using wireless......
Anyone can help??
explain.....you can have a wireless module that accept RS232 signal from your PC(maybe you can use hyperterminal of your PC to enter the data from keyboard)..yupng said:leoren_tm said:use RS232..and connect to wireless module..yupng said:IF i use a keyboard to enter text then send it out via any wireless to the display board. How i send out the date from keyboard using wireless......
Anyone can help??
can u explain more detail on this topic
you will use PC or not??yupng said:HELP.....wireless control announcement board using Dot-Matrix.
Any ideal.....
leoren_tm said:you will use PC or not??yupng said:HELP.....wireless control announcement board using Dot-Matrix.
Any ideal.....
PC----RS232----(max232)TTL---Wireless module Trasmitter(maxtrem)--Wireless module reciever---(UART)MCU--Display board
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