Currently using the Teensy 3.6 onboard SD card to create some light painting using 24bit BMP images stored on the sd card. Here is the result: (code is over not he write-up page)
Category: Graphic Poi BMP from SD card
not all pixel poi leds are equal – beware
I have been through a number of different spec leds over the last few years, and this a warning, beware, not all led pixels are equal. Look at the specs and do your research as they are manufactured for different reasons, and so have different specs and limitations. Some, like the WS2811, are manufactured in…
pixel poi, visual poi, graphic poi are all the same thing
I have had a few people ask me about the difference between pixel poi, graphic poi and visual poi. Well, they are all names for the same thing. However, the term pixel poi is a registered trade mark of the Feeding the Fish performance group, as “pixel-poi” with a hyphen I believe. Thats why other…
Led graphic poi displaying BMP image from SD card
The Graphic poi (pixel poi) project is now coming to a close. The final stage was to enable the leds to be updated from a series of BMP files held on an SD card. This way, it is possible to hold a large number of images on the device. The poi run off a Teensy…
led POV and BMP from SD card with Teensy 3
I have been looking at storing a larger volume of predefined images and displaying these on the Pixel / Graphic poi. Well, it finally seems to be working. Using the Teensy 3.0 with an SD card breakout board, the poi can grab the data from the SD card using the usual file format (Fat), with…
