arduino library for the JY-MCU PRO 3208 LED display module
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HT1632.cpp
HT1632.h
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readme.md

HT1632 - Library for communicating JY-MCU 3208 PRO LED display module

This library provides higher-level access (including text drawing) for these modules.

Modified to work only with the JY-MCU 3208 PRO 32x8 red LED matrix by Ken Willmott, February 17, 2016

Portions created by Gaurav Manek, April 8, 2011. Released into the public domain.

Hardware:

JY-MCU PRO 3208 module:

Note, this is for the PRO module. It is not tested on the earlier version.

For this application, the onboard AVR on the display is disabled by connecting a jumper from the pin on the display ICSP connector to an adjacent ground (on the display power connector). This enables a connection to the HT1632 display driver on the same connector as follows:

Arduino display
GND GND
VCC VCC
"CS" MOSI
"WR" MISO
"DATA" SCK

The CS, WR, and DATA pins can be assigned to any digital pins or analog pins configured for digital I/O on the Arduino. Example: CS=D7, WR=D8, DATA=D6 are convenient because they are all on the ICSP connector of the UNO.