The supported working devices, I added a picture of the exact hardware.
I used reverse engineering to get this board working, but then Andy sent me some help, Thanks Andy!
You can find more information about this device here on Ultimarc Web Site
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You can find more information about this device here on Ultimarc Website
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Experimental
You can find more information about this device here on Ultimarc Website
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I used reverse engineering to get this board working.
You can find more information about this device here on Ultimarc Website
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I used reverse engineering to get this board working and some help from Randy, Thanks Randy!!
You can find more information about this device here on GroovyGameGear
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I used reverse engineering to get this board working, I don't have the hardware myself so with the help of Zach, we searched on internet and found some code samples, and we did some remove debugging, This product is discontinued and the guy that created it disappeared, I know there are some hundreds of this devices out there.
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This driver uses the GPIO connector of the Raspberry Pi (lasted version 2, 3 and 4) to drive LEDs, is the first non USB device.
Needs root rights to run, except that the user get rights to access the GPIO.
Not fully tested like I want, I was able to test PIN by PIN and a maximum of 6 LEDs together before the power consumption gets too high.
You cannot connect LEDs directly to the pins, you will need to add some transistors in between.
This is a driver to drive serial devices, like the AdaFruit products and others.
Needs root rights to run, except that the user get rights to access the group tty (or dialup) .
Not sure if other hardware works fine, I only tested a Lolin D1.