[Noisebridge-discuss] arduino dmx receiver
Robert "Finny" Merrill
rfmerrill at berkeley.edu
Tue May 24 03:04:22 UTC 2016
If you want one written in raw C (not arduino) I rolled my own a while
It requires you to wire the DMX to the hardware UART (which on an
arduino is usually not exposed and is dedicated to the USB-serial
On Thu, Apr 7, 2016 at 2:07 AM, robb <sf99er at gmail.com> wrote:
> as it turns out, mathertels DmxSerialRecv example works out of the box
> w/Arduino 1.6.8 but my connection from DE to RE was loose. jerkey looked at
> it and squeezed it and it started working!
> DE & RE are connected together & to pin 2.
> RO is connected to Rx.
> On Fri, Apr 1, 2016 at 5:19 PM, robb <sf99er at gmail.com> wrote:
>> // Turns out that as I'm using an ungrounded power brick, I probably
>> don't need all of this, but I had all the parts so I made them anyway :)
>> easier to switch power supply, than to add isolation
>> // Take a look in HardwareSerial0.cpp; it looks like you'll want to
>> search for USART_RX_vect and USART0_RX_vect.
>> thx, found it. after editing file, still couldn't receive tho.
>> // This probably changed when the Arduino folks started making
>> boards with more than one serial port.
>> i think your right
>> // Nothing so far -- I'm making lighting stuff for my wedding in a
>> couple of months, and I want a friend who does a lot of DMX lighting to be
>> able to control my hardware with his controllers!
>> congrats & i look forward to seeing your implementations!
>> i'm hoping to eventually add 7segment leds displays for setting the dmx
>> channel w/up & down buttons, if i get it working.
>> different modes would be nice, too
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