A shield for a Mini 32 ESP32 board that connects to a RGB LED Matrix panel.Designed by Brian Lough in Ireland
What is it? This shield is a Kit for easily controlling RGB LED Matrix using a Mini 32 ESP32 board. This board takes advantages of the cables that come included with most displays. This board is de...Read More…
This shield is a Kit for easily controlling RGB LED Matrix using a Mini 32 ESP32 board. This board takes advantages of the cables that come included with most displays.
This board is designed to work with the awesome PX Matrix arduino library by 2dom
Also Note: PxMatrix has recently changed one of the default pins it uses for its examples. P_OE previously used to be 2, but now has switched to 16. These boards were designed with P_OE connected to pin 2, so you will need to change P_OE back to 2 to use PxMatrix's examples.
The RGB LED matrix panels are one of the coolest displays you can use with an Arduino, but there is quite a bit of wiring to connect them up and also they are a little awkward to power. The panels are only about $20 from aliexpress/eBay
This board makes wiring them really simple! The board just slots directly onto the input header pin, uses the ribbon cable that comes provided with most of these panels to connect the pins of the output header and has screw terminals to connect the power cable that comes with most panels.
This really makes using the display as simple as possible. Making use of the cables that comes with the display allows the board to be smaller and less expensive.
Here are some Github Repos with examples of things that can be done using the board.
These are for an ESP8266 but could be easily ported!
Each ESP32 Matrix Shield is a kit and comes with the following:
The following components are not provided, but are required to use this board.
Please note that I do not send any documentation with the board. There is a sticker with a link and QR code to the above URL. I feel it's wasteful to send on documentation when I can provide much better documentation on the web page than I could in a small sheet of paper.
I can't answer that for sure, it should work with any display that works with the PxMatrix library. There has been times where sellers have started using a slightly different type of display that requires some changes to the library. 2Dom and the community have done an excellent job adding support different types of displays as they have come out, but some still crop up from time to time that are not supported yet. Check out the issues list of PxMatrix for problematic displays.
While this board is was physical dimensions are designed to work with a P3 64x32 display, it should be compatible with most displays. There are a couple of areas where you could get caught up and ways to work around them.
Some of these displays come with magnetic screws for mounting them on a metal surface. The assembled PCB is taller than the screws but I have added the option of stand-offs that will extend the screws long enough to work. I have unfortunately not found a good supplier of the magnetic screws themselves yet.
There are two sizes available, M3 and M2.5. All my displays are M3 but in Bitluni's video he mentioned he used M2.5 screws so you will need to check which are the appropriate size for you.
Please note that I can not provide coding support for this item. I can offer some troubleshooting advice on getting them working (but please also read the section labeled "will this work with my display") and I can point you to some examples I have created using these board, but I will not be able to give support on building something specific.
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