adafruit learning system MatrixPortal M4 - User Manual

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Adafruit MatrixPortal M4

Created by Melissa LeBlanc-Williams

Last updated on 2021-08-09 02:02:07 PM EDT

Main Page

Guide Contents2
Overview5
Pinouts9
- Microcontroller and Flash9
- WiFi9
- HUB75 Connector10
- RGB Matrix Power10
- Sensors11
- Stemma QT Connector11
- Reset Pin11
- Debugging Interface12
- Serial UART Pins12
- Analog Connector/Pins12
- Power Pins13
- Status LED and NeoPixel13
- USB-C Connector13
- Buttons14
- Address E Line Jumper14
Prep the MatrixPortal16
- Power Prep16
- Power Terminals17
- Panel Power17
- Board Connection19
LED Matrix Diffuser21
- LED Diffusion Acrylic21
- Measure and Cut the Plastic21
- Uglu Dashes24
- Stand25
Install CircuitPython28
- Set up CircuitPython Quick Start!28
- Further Information28
What is CircuitPython?30
CircuitPython is based on Python30
- Why would I use CircuitPython?30
CircuitPython Setup32
Adafruit CircuitPython Bundle32
Internet Connect!33
What's a secrets file?33
Connect to WiFi33
Requests38
- HTTP GET with Requests40
- HTTP POST with Requests41
- Advanced Requests Usage42
WiFi Manager43
MatrixPortal Library Overview47
- Network Branch47
  - WiFi Module48
  - Network Module48
- Graphics Branch48
  - Matrix Module48
  - Graphics Module48
- MatrixPortal Module48
- Library Demos49
CircuitPython Pins and Modules50
CircuitPython Pins50
- import board50
- I2C, SPI, and UART51
- What Are All the Available Names?52
- Microcontroller Pin Names53
CircuitPython Built-In Modules54
MatrixPortal Library Docs55
CircuitPython RGB Matrix Library56
CircuitPython BLE57
CircuitPython BLE UART Example57
- On-Board Airlift Co-Processor - No Wiring Needed57
Update the AirLift Firmware57
Install CircuitPython Libraries57
Install the Adafruit Bluefruit LE Connect App58
Copy and Adjust the Example Program58
Talk to the AirLift via the Bluefruit LE Connect App59
Arduino IDE Setup63
- https://adafruit.github.io/arduino-board-index/package_adafruit_index.json64
Using with Arduino IDE66
Install SAMD Support66
Install Adafruit SAMD67
Install Drivers (Windows 7 & 8 Only)68
Blink70
Successful Upload71
Compilation Issues72
Manually bootloading72
Ubuntu & Linux Issue Fix73
Arduino Libraries74
Install Libraries74
- Adafruit NeoPixel74
- Adafruit SPIFlash74
- Adafruit Protomatter75
- Adafruit LIS3DH75
- Adafruit GFX75
- WiFiNINA75
- Adafruit ImageReader76
- Adafruit PixelDust76
Using the Protomatter Library77
Include Protomatter Library78
Setting Up Matrix Pin Usage78
Create the Protomatter Object78
Begin Protomatter Driver80
Draw Shapes & Text Using Adafruit GFX80
- Adafruit_GFX is the same library that drives many of our LCD and OLED displays…if you’ve done other graphics projects, you might already be familiar! And if not, we have a separate guide explaining all of the available drawing functions (https://adafru.it/DtY). Most folks can get a quick start by looking at the “simple” and “doublebuffer_scrolltext” examples and tweaking these for their needs.80
Check Refresh Rate81
Arduino Sand Demo83
Protomatter Library87
Using the Accelerometer88
Arduino Usage88
CircuitPython Usage90
Updating ESP32 Firmware93
Downloads94
- Files94
- Schematic94
- Fab Print94

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adafruit learning system MatrixPortal M4 Specifications

General

Brand	adafruit learning system
Model	MatrixPortal M4
Category	Educational Equipment
Language	English

adafruit learning system MatrixPortal M4 - User Manual

Table of Contents

adafruit learning system MatrixPortal M4 Specifications