This is a second revision of the DIY pixels we’ve been selling for the past year or two.
- Support for field addressing per SRM’s jumper code, which is discussed in further detail in the DIY Christmas DMX Section.
- Nifty white soldermask. Good for reflecting LED light back toward the eyeball.
There was some decent interest in a completely through-hole design. Some folks wanted to build their own pixels but weren’t comfortable with surface mount components.
This board receives DMX through a pair of RJ45 connectors in parallel. A SN75176 translates the differential data into a single-ended signal that the PIC can process. 5 x 2N3904 transistors drive 5 banks of LEDs. The intention was to drive red, green, blue, amber and white LEDs.
The LEDs are arrayed as follows:
R G B W A R G B W A R G B W A R G B W A R G B W A R G B W A
Useful PDF Files:
I currently have about 70 of these boards for sale. $3.50 each or 10 for $28. Send an email to John AT response-box.com if you’re interested.
Sorry, all boards have been spoken for. We can certainly order more if there’s interest.