What is it? The DLP2000 is a relatively cheap DMD, (Digital Mirror Device). It supports a resolution of 854 x 480. Not huge, but TI are selling their "evaluation boards", (the DLP2000EVM), for arou...Read More…
The DLP2000 is a relatively cheap DMD, (Digital Mirror Device). It supports a resolution of 854 x 480. Not huge, but TI are selling their "evaluation boards", (the DLP2000EVM), for around US$99 which is pretty cheap for a projector. However, these eval boards are only designed for the BeagleBone.
So this is a simple adapter board that allows you to use an ordinary Pi Zero W instead of a BeagleBone.
The DLP2000 was too cool to pass up and I wanted it to work on a Raspberry Pi Zero W, because... well... because...
Also, I wanted to make the smallest cheapest pocket projector around.
The adapter board makes a much cleaner, more permanent install for a Pi Zero W rather than a rats nest of wires. (If you saw my video on this, you would understand.)
This PCB is a straight header to header adapter board. With the ability to power from a micro USB connector or from the DC jack on the DLP2000EVM. A nice big ground plane gives a rock solid display, but I've left a void so that it doesn't interfere with the Pi Zero W WiFi signal. You can also mount the Pi Zero W above or below the PCB and mount the PCB above or below the projector, depending on how small you want the unit to be.
The original version.
I added an MCP23008SO SMD, which is an 8 port GPIO I2C expander. This solves the issue of all the GPIOs being used up by the projector. I won't be shipping this as part of orders, so you'll have to solder one up yourself. Note: the board still works without it being present. I also added a cut-out on the PCB to allow adding/removing the Pi Zero W SD card easier.
Small change to the cut-out to allow easier insertion of the SD card and some minor track changes.
In the Rev 2.x series I'll be adding:
The current Rev 1.2 batch of boards I'm selling as a plain "as is" PCB. However, I've added in some options to order headers. I have a limited supply of them, so add it to your order quick!
You will also need:
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