https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=Category%3ADot_Matrix 2026-07-21T22:05:53Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=Category:Dot_Matrix&diff=32452&oldid=prev 2021-12-17T07:25:25Z

<p></p> <p><b>New page</b></p><div>== Matrix Driver | Datasheet ==<br /> * [[MAX7219]]<br /> * HT16K33 - [[File:Ht16K33v110.pdf]]<br /> drive a multiplexed 16x8 matrix (that's 128 individual LEDs) - 16 anodes and 8 cathodes <br /> I2C interface<br /> supports also reading a 3x13 keypad matrix<br /> 74HC138, 74HC595<br /> * [[:File:74HC138.pdf|74HC138]]<br /> * [[74HC595]]<br /> == Schematic, pin definition ==<br /> Board schematic<br /> &lt;gallery&gt;<br /> File:Dot_Matrix_Display_Kit_w_MAX7219_IC_PCB_schematic.png| Max7219 single 8x8<br /> File:HT16K33_breakout.jpg | HT16K33 breakout board schematic<br /> File:16-16_Schematic.jpg | 2x2x8 matrix - 16 x16 matrix display schematic, use 74HC138 and 74HC595<br /> File:Max7219 chained display.png | chained matrix display parola - schematic <br /> File:Dot matrix display pinout.jpeg | chained matrix display parola - Pin deifinition<br /> &lt;/gallery&gt;<br /> Dot matrix Pin definition<br /> &lt;gallery&gt;<br /> File:Bicolor_8x8.jpg | Bicolor 8x8 common-cathod<br /> &lt;/gallery&gt;<br /> <br /> <br /> == Demo code ==<br /> * Demo Code for arduino for 2x2x8 16x16 Matrix - [[File:Arduino_Demo_for_16x_16_LED.zip]]<br /> * HT16K33 Arduino library - [[File:HT16K33_LED_Drive_library.zip]]<br /> <br /> <br /> <br /> [[category: LEDs]]</div>

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