Tag Archives: 64-pixels

Displaying images on 8×8 RGB LED displays

Posted on May 20, 2009 by robert

Just a short proof of principle thing, badly coded and terribly slow, but it works :-) Images must be converted to the RAW PPM format using e.g. GIMP. If you think of using ImageMagick and convert: doesn’t work properly ! … Continue reading →

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Using a standard Arduino to program V3 Matrix boards

Posted on April 14, 2009 by robert

A comment by Andy reminded me of the fact that a standard Arduino (non SMD types) comes with the FTDI chip and therefore can be used as a USB to TTL serial programmer too :-) To make it work you … Continue reading →

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V3 prototypes for sale

Posted on April 12, 2009 by robert

Hi, I need to get rid of my V3 prototypes ! I’ve got exactly 3 (all gone) fully assembled & tested boards + RGB LED matrix. So if anybody wants them, “The early bird catches the worm”. I’d be happy … Continue reading →

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Experimenting with the PORTC/D connectors on V3 boards: I²C

Posted on April 4, 2009 by robert

First let’s have a look at the pinout of the connectors labeled as PORTC and PORTD on the V3 boards. “PORTC” : PIN NAME FUNCTION ARDUINO PIN ARDUINO PIN 1 PC0 ADC0 analog IN 0 digital IN/OUT 14 2 PC1 … Continue reading →

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8×8 RGB Matrix V3 + KICAD + SMD — part 2

Posted on March 31, 2009 by robert

Lost in some office, surrounded by clueless clerks, and low on patience… This is my adaption of the famous tag line of Army of Darkness: “Lost in time, surrounded by evil, and low on gas…”, which describes what I’ve been … Continue reading →

Posted in Arduino., Electronics., Soldering & PCBs. | Tagged , , , , , , , | 13 Comments