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rPi-28D
USER MANUAL
Features
-Suits Raspberry Pi 2, 3 and Zero
-2 WS281x compatible outputs (WS2811, 2812, 2813, INK1003 etc)
-1 WS2801 compatible output
-1 DMX output. Can be software configured for DMX, Renard, LOR
-1 GPIO input that can be configured in software for triggers
-Real time clock to allow standalone scheduled playback
-5V or 12V power (12V is 12-24V tolerant)
-3 unfused power inputs for 3 pixel outputs
-PCB size is 67mm x 56mm
Revision 1.0
Suits PCB revision 1.1
18 January, 2018
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Summary of Contents for Hanson Electronics rPi-28D
- Page 1 USER MANUAL Features -Suits Raspberry Pi 2, 3 and Zero -2 WS281x compatible outputs (WS2811, 2812, 2813, INK1003 etc) -1 WS2801 compatible output -1 DMX output. Can be software configured for DMX, Renard, LOR -1 GPIO input that can be configured in software for triggers...
- Page 2 The rPi-28D is a cape/hat that is designed to add pixel and DMX (RS485) capability to the Raspberry Pi series of single board computers. The hat mounts to the 40 way male header of the Raspberry Pi 2, Raspberry Pi 3 or Raspberry Pi Zero and attaches via the supplied nylon M2.5 screws, nuts and standoffs.
- Page 3 You can power the rPi-28D off the Raspberry Pi’s power input if absolutely necessary or desired. If running the rPi-28D from 5V then connect the power to the 0V and 5V terminals of CN5 the 3 pin PWR terminal block. A 2A fuse is recommended in series.
- Page 4 Power supply connections showing how the board and pixels are connected if powering pixels through the rPi-28D. If this method is used then up to 150 pixels (at 100% brightness) can be powered through the board. Power injection may be required depending on pixel wiring.
- Page 5 One pixel power supply is shown but depending on the pixel voltage/s more than 1 may be required. It is possible to mix between powering through the rPi-28D and powering external to it. The power for the pcb is not shown connected to the 5V or 12V input. It connects to the 1 that matches the power supply voltage.
- Page 6 2811 pixel string 1 Fuse One pixel power supply and string is shown. This method of powering the rPi-28D can be used on any 1 of the 3 pixel outputs. The power wiring between pixel string and rPi-28D needs to be sufficient to handle the 1A for 12V or 2A for 5V that the board requires.
- Page 7 Falcon Player (FPP) configuration The 3 types of output from the rPi-28D are configured on the “Other” tab under the “Input/Output Setup”. The channels used have to setup in the E1.31 tab. The screenshot below shows the configuration of the 3 types of outputs. Any of the 4 outputs (3 types) can be left disabled if not needed.