Joy-it RB-LEDMatrix User manual

RB-LEDMatrix
Expansion board with 2 LED matrices for Raspberry PI
1. GENERAL INFORMATION
Dear customer,
thank you very much for choosing our product.
In following, we will introduce you to what to observe while starting up
and using this product.
Should you encounter any unexpected problems during use, please do
not hesitate to contact us.

2. USE WITH THE RASPBERRY PI
2.1 Installing the soware
If you are already using a current Raspberry Pi OS on your Raspberry Pi, you can skip this step and
continue immediately with step 2.2.
Install on your SD card using the „Win32 Disk Imager“ - program the current Raspbian Image, which you
can download under the following link.
2.2 Connecting the module
Place the module on pins 1 to 26 of your Raspberry Pi as shown in the following picture. Note that the
module is placed with the overhang facing the Raspberry Pi.

3. CODE EXAMPLE FOR RASPBERRY PI
3.1 Preparation of the module
Once you have started and set up the system, open the console and execute the following
commands:
sudo apt-get update
sudo apt-get upgrade
sudo raspi-config
Aer executing the previous two commands, we now activate the SPI by typing
into the console. Then the following should appear.
We select 3 Interfacing Options with the arrow keys and confirm with Enter.
Aer that you will see the following:
We select P4 SPI with the arrow keys and confirm with Enter.
Then we confirm with Enter 2 more times and leave the menu by using the right arrow button 2
times and confirm with Enter.

3.2 Installing the library and preparing the code example
We use the library Luma.LED_Matrix from rm-hull for the LED matrix. This library has been released
under the MIT license.
Run the following commands to prepare your system for the library.
sudo git clone https://github.com/rm-hull/luma.led_matrix.git
cd luma.led_matrix/
sudo python3 setup.py install
python3 examples/matrix_demo.py -n 2 --block-orientation 90
sudo apt-get update
sudo apt-get install git-all
sudo apt install build-essential python3-dev python3-pip libfreetype6-dev
libjpeg-dev libopenjp2-7 libtiff5
sudo apt-get install python3-pip
sudo -H python3 -m pip install --upgrade --ignore-installed pip setuptools
Now install the library using the following commands.
You can now run a sample script with the following command.
You can view the other setting options as shown below.
python3 examples/matrix_demo.py -h

PR
4. ADDITIONAL INFORMATION
5. SUPPORT
If there are still any issues pending or problems arising aer your purchase, we will support you by
e-mail, telephone and with our ticket support system.
Email: [e-mail]
Ticket system: http://support.joy-it.net
Telephone: [phone] (10-17 o‘clock)
For further information please visit our website:
www.joy-it.net
Published: 05.05.2021
Our Information and Take-back Obligations according to the
Electrical and Electronic Equipment Act (ElektroG)
Symbol on Electrial and Electronic Products:
This crossed-out bin means that electrical and electronic products do not belong into
the household waste. You must hand over your old appliance to a registration place.
Before you can hand over the old appliance, you must remove used batteries and replacement
batteries which are not enclosed by the device.
Return Options:
As the end user, you can hand over your old appliance (which has essentially the same functions
as the new one bought with us) free of charge for disposal with the purchase of a new device.
Small devices, which do not have outer dimensions bigger than 25 cm can be handed in for dispo-
sal independently of the purchase of a new product in normal household quantities.
1. Possibility of return at our company location during our opening hours
Simac Electronics Handel GmbH, Pascalstr. 8, D-47506 Neukirchen-Vluyn
2. Possibility of return nearby
We will send you a parcel stamp with which you can send us your old appliance free of charge. For
this possibility, please contact us via e-mail at [e-mail] or via telephone.
Information about Package:
Please package your old appliance safe for transport. Should you not have suitable packaging
material or you do not want to use your own material, you can contact us and we will send you an
appropriate package.
www.joy-it.net
SIMAC Electronics GmbH
Pascalstr. 8, 47506 Neukirchen-Vluyn