Adafruit ssd1306 library functions

Adafruit ssd1306 library functions. ), font size in points (currently 9, 12, 18 and 24 point sizes are provided) and “7b” to indicate that these contain 7-bit characters (ASCII codes “ ” through “~”); 8-bit fonts (supporting symbols and/or international characters) are not yet Oct 21, 2012 · SSD1331 clear functions compared to SSD1306. Open Arduino IDE and click on Tools>Manage Libraries. Adafruit-SSD1331-OLED-Driver-Library-for-Arduino for the 0. Type “Adafruit SSD1306” in the search bar. # This example and library is meant to work with Adafruit CircuitPython API. transparent. These displays are small, only about 1" diameter, but very readable due to the high contrast of an OLED display. I hope this response helps future users that may run into the same problem! Jun 3, 2012 · On the Arduino Duemilanove and other ATmega168 / 328-based boards, the SPI bus uses pins 10 (SS), 11 (MOSI), 12 (MISO), and 13 (SCK). To demonstrate the usage, we'll initialize the library and use Python code to control the OLED from the board's Python REPL. begin(SSD1306 Adafruit SSD1306 Sep 9, 2021 · The photo looks like a typical SSD1306 / SSD1315 display but with some solder-bridges to select VCC-GND pins. from board import SCL, SDA import busio # Import the SSD1306 module. The library will provide us with functions to easily interface the OLED display with Arduino. fill (0) 23 display. To update full LCD, there are 1024 bytes of data to be transfered. C library is aimed for driving 0. Adafruit-Graphic-VFD-Display-Library, for our 128x64 Graphic VFD. - adafruit/Adafruit_Python_SSD1306 Arduino Nano - Arduino & AdaFruit Libraries - 128x64 OLED Display Test. “Hello, world!” OLED Display. You switched accounts on another tab or window. You can find more technical information at Adafruit. Adafruit_PCD8544, for the Nokia 5110/3310 monochrome LCD. Parameters: width – the width of the physical screen in pixels, height – the height of the physical screen in pixels, i2c – the Connect the OLED display to the Arduino using the I2C interface. Adafruit_MPU6050 mpu; Adafruit_SSD1306 display = Adafruit_SSD1306(128, 64, &Wire); May 6, 2024 · Let's start with installing the necessary libraries. # The first two parameters are the pixel width and pixel height. The following sketch displays the Hello, world! message three times in the OLED display. SSD1306_I2C(128, 32, i2c, addr=0x31) # Clear the display Jun 25, 2014 · Using the SSD1306 Python library you can connect a 128x64 or 128x32 pixel OLED display to your Raspberry Pi or BeagleBone Black. Then repeat the same for “gfx” and the Adafruit GFX library, “busio” and the Adafruit BusIO library (newer Arduino IDE releases will handle this dependency automatically when installing GFX). One just must specify the I2C pins used with Wire, and pass it as reference to the Adafruit_SSD1306 constructor. No wires to deal with! The Adafruit display has a 128 x 32 pixel display and 3 small buttons. Arduino library for SSD1306 monochrome 128x64 and 128x32 OLEDs - adafruit/Adafruit_SSD1306 Adafruit SSD1306 Wemos Mini OLED. Oct 21, 2016 · Next download the latest ssd1306. Adafruit_SSD1306 is supported by the IDE Library Manager. Jun 14, 2024 · Download Adafruit_GFX Library https://adafru. Type “SSD1306” in the search box and install the SSD1306 library from I'm using a Mega2560 and a generic SSD1306 OLED display with the Adafruit_SSD1306 (and by extension, Adafruit_gfx) library. Author(s): Tony DiCola, Michael McWethy. There was a problem with the GFX build test where one of the board files (ESP32) was missing so that failed the entire PR though it has nothing to do with the code which passed everything else. The equivalent code below using the Adafruit library: Oct 29, 2023 · Turns out using the Adafruit SSD1306 library is much easier than I first thought, thanks to replies from @jremington and @PaulRB. TTY mode: Display can be used like a terminal window (without positioning the cursor before print), it will scroll up automatically when print function contains a '\r' '\n' character in last screen text line. Read More. h file in the Arduino Library folder. I suggest that you use U8g2lib. Find the Adafruit_SSD1306. Go to repository. Maintainer: Stefan Bethke. h> To use the I2C communication this library is required #include <Adafruit_GFX. The next step is to create an object of Adafruit_SSD1306. 2 and later), this is most easily done through the Arduino Library Manager. Dec 4, 2018 · It's good to hear that there are other people interested in driving SSD1306 displays via the Pico. Adafruit Industries, Unique & fun DIY electronics and kits : OLED - Tools Gift Certificates Arduino Cables Sensors LEDs Books Breakout Boards Power EL Wire/Tape/Panel Components & Parts LCDs & Displays Wearables Prototyping Raspberry Pi Wireless Young Engineers 3D printing NeoPixels Kits & Projects Robotics & CNC Accessories Cosplay/Costuming Halloween Reseller and School Packs Internet of Mar 4, 2016 · That library defaults to transparent writing, which is generally what you want with graphics. virtual void drawPixel (int16_t x, int16_t y, uint16_t color) Mar 14, 2023 · In this project, I will use the SSD1306 OLED display. Jul 29, 2012 · When rotating, the origin point (0,0) changes — the idea is that it should be arranged at the top-left of the display for the other graphics functions to make consistent sense (and match all the function descriptions above). […]It is possible to use a pin other than pin 10 as the slave select (SS) pin. These little, small and with nice contrast devices are really great. The easiest to way to install them is to use the Arduino IDE library manager, just search for these libraries and install them. After playing for awhile with that SSD1306 OLED display I decided to add few more things to the SSD1306xLED library and the ability to print numbers seamed to be an important one. Jan 20, 2015 · UPDATE: Please, check the most recent post about this library at /tag/ssd1306xled. SSD1306_I2C(128, 32, i2c, addr=0x31) # Clear the display Apr 26, 2016 · This is the FeatherWing OLED: it adds a 128x32 monochrome OLED plus 3 user buttons to any Feather main board. Very good . The coordinate system places the origin (0,0) at the top left corner, with positive X increasing to the right and positive Y increasing downward. For this tutorial, we will need to install two Arduino libraries, Adafruit SSD1306 and Adafruit GFX libraries. Once the ssd1306. Releases Oct 21, 2016 · import adafruit_ssd1306 oled = adafruit_ssd1306. Oct 13, 2014 · Enter “ssd1306” in the search field, locate the Adafruit SSD1306 library and select “Install” (or “Upgrade” if you have an older version). More ~Adafruit_SSD1306 (void) Destructor for Adafruit_SSD1306 object. This module allows you to easily write Python code to control the display. Settings for particular versions: 128x64 version command argument SSD1306_SET_MUX_RATIO set to 0x3F (ssd1306. md at master · adafruit/Adafruit_SSD1306. Before you get started it will help to read the guide on their usage so you know how the displays are assembled and configured. Jul 29, 2012 · Each filename starts with the face name (“FreeMono”, “FreeSerif”, etc. e. The Adafruit_SSD1306 constructor accepts 3 arguments: screen width, screen height, and the Arduino pin number to which the display’s reset pin is connected. Adafruit SSD1306 EMULATOR. mpy file is on your computer you'll need to copy it to your MicroPython board's file system and can use a tool like ampy to copy the files to the board. begin(SDA,SCL,FRQ) or Wire. The SSD1306 OLED display is a compact, low-power display that uses organic light-emitting diodes (OLEDs) to produce bright, high-contrast images. Code: Select all Arduino: 1. And secondly, each pixel is one bit in a buffer of 8-bit bytes. Quote the Adafruit_SSD1306 example by name. 1. 8" TFT Display with microSD. Jul 29, 2012 · Pixels — picture elements, the blocks comprising a digital image — are addressed by their horizontal (X) and vertical (Y) coordinates. So, you need to upload the library to your ESP32/ESP8266 board. 8 (Windows 10), Board: "Arduino Nano, ATmega328P (Old Bootloader)" C:\Users\Richard W Bruner\Documents\Arduino\libraries\Adafruit_SSD1306\Adafruit_SSD1306. com Jul 29, 2012 · Install Arduino Libraries. The screen width and height in pixels are defined. # Basic example of clearing and drawing pixels on a SSD1306 OLED display. Functional Parts in the Project: Arduino Uno – https://store Jun 25, 2014 · This guide will walk you through how to connect the display to a Raspberry Pi or BeagleBone Black, and how to install and use the SSD1306 Python library. Author: Adafruit. This IC is designed for Common Cathode type OLED panel. We are releasing this library on Github as open source with the MIT license. bool Adafruit SSD1306. h file inside the Adafruit_SSD1306 folder. 6. SSD1306 oled driver library for monochrome 128x64 and 128x32 displays Author: Adafruit. Read the documentation. Display driver for VGA, SSD1306, SSD1325/SSD1327, SSD1331, SSD1351, ILI9163/ST7735, ILI9341, PCD8544. mpy file from the releases page of the micropython-adafruit-ssd1306 GitHub repository. Only the primary I2C bus is supported. I tried to send 'AEh' with that command and the same i2c bug occurs but this time, the displaying isn't clearing or turning off. Using a SSD1306 OLED display¶. ) followed by the style (“Bold”, “Oblique”, none, etc. Adafruit SSD1306 : 1. In recent versions of the Arduino IDE software (1. The following sketch displays Hello, world! message in the OLED display. Open your Arduino IDE and go to File > New to open a new file. See full list on github. This Jul 30, 2024 · Adafruit SSD1306 Author Adafruit Website NOASSERTION Library Type Contributed Architectures Any. SSD1306_I2C (128, 32, i2c) # Alternatively you can change the I2C address of the device with an addr parameter: #display = adafruit_ssd1306. h) 128x32 version # The first two parameters are the pixel width and pixel height. SSD1306Ascii runs on Arduino AVR boards, Arduino Due and many other Arduino style boards that have the SPI or Wire library. Copy-paste your constructor statement. The object to control the display is typically: Adafruit SSD1306. Jul 29, 2012 · This is a quick tutorial for our 128x64 and 128x32 pixel monochrome OLED displays. . it/Ldl Accessing GFX Functions Any Arduino sketch using Adafruit_GFX needs to #include two libraries. The library implements graphical engine, allowing creation of dynamic animation, and can be used for gaming development. Releases. Value is modified by this function to advance to next character. I need to print a bunch of float values (ranging between 30. My Pico (and the display) will arrive in a few days. Compatibility Adafruit SSD1306 OLED Library This library supports the Small OLED displays sold by Adafruit Industries. It's a modified version of Adafruit's SSD1306 library and works in tandem with Adafruit's GFX library. I've looked more in the Adafruit library and their higher-level graphic library and I think that it would be easier to write wrapper functions or #define macros for some calls. Jan 8, 2013 · Provided for older code to maintain compatibility with the current library. I don't have any Jul 8, 2021 · To make it compatible with a 128×64 pixel display you need to make small changes to the Adafruit_SSD1306. The SSD1306 embeds with contrast control, display RAM and oscillator, which reduces the number of Oct 29, 2023 · Turns out using the Adafruit SSD1306 library is much easier than I first thought. class adafruit_ssd1306. import adafruit_ssd1306 # Create the I2C interface Apr 7, 2020 · Adafruit GFX Library. If there is no requirement of usage of reset pin, then enter the -1. Each OLED display is made of 128x64 or 128x32 individual white OLEDs, each one is turned on or off by the controller chip. This allows Arduino sketches to easily be adapted between display types with minimal fuss…and any new features, performance improvements and bug fixes will immediately apply across our complete offering of color displays. Maintainer: Adafruit. Adafruit_SSD1306 (int8_t rst_pin=-1) DEPRECATED constructor for I2C SSD1306 displays. The first, Adafruit_GFX. Jan 8, 2013 · Adafruit SSD1306: Class Members. Adafruit_SSD1306 for the Monochrome 128x64 and 128x32 OLEDs. 26 Now we will proceed further and learn how to display simple text on the OLED display. 2 (The Adafruit OLED library uses this library for core graphics operations). Using these OLEDs with Arduino sketches requires that two libraries be installed: Adafruit_SSD1306, which handles the low-level communication with the hardware, and Adafruit_GFX, which builds atop this to add graphics functions like lines, circles and text. 15. Screen size is determined by enabling one of the SSD1306_* size defines in Adafruit_SSD1306. And this can really take a while. 2. SSD1306 emulator oled driver library for monochrome 128x64 and 128x32 displays Author: Adafruit, extended by Sam P. Compatibility. zip. Many low cost OLED displays with SSD1306 controllers are available on ebay. h, declares Apr 23, 2023 · The Adafruit library for the OLED display comes with several functions to write text. I just need to "print" text to my Monochrome 1. 3" 128x64 OLED graphic display and do not have any plan on using any animation. Follow the next steps to install those libraries. Connect the push buttons to the Arduino according to the pin configuration. SSD1306_I2C(128, 32, i2c) Note that the first two parameters to the SSD1306_I2C class initializer are the width and height of the display in pixels. Sep 17, 2012 · So my builds failed. Dec 14, 2012 · First, the library supports several different size displays, so SSD1306_LCDWIDTH needs to be part of the addressing calculation. 96" OLED display with SSD1306 driver 128x64 or 128x32 version through TWI's (I2C). 0 and 99. Feb 18, 2019 · Search for and install the Adafruit SSD1306 library. Generally, it is located at Documents\Arduino\libraries on windows systems. In this section, you’ll learn how to write text using the library functions. Jun 3, 2024 · create an instance of the SSD1306 I2C driver by running: import adafruit_ssd1306 oled = adafruit_ssd1306. Install the SSD1306 Driver Library. 19. This is also a library for those developers who love coding in C SSD1306_I2C (display_width, display_height, i2c) 18 # You can change the I2C address with an addr parameter: 19 # display = adafruit_ssd1306. The SSD1306 OLED display uses either a SPI or I2C interface and comes in a variety of sizes (128x64, 128x32, 72x40, 64x48) and colours (white, yellow, blue, yellow + blue). Reload to refresh your session. In turn, this library makes available the GFX and BusIO libraries for you. Sep 12, 2011 · You can call the setRotation library function with a value in the range 0 to 3. New code should NOT use this. I might probably have to change to the sparkfun library or u8g2 library as a last resort. Jan 8, 2013 · Adafruit_SSD1306 (int8_t dc_pin, int8_t rst_pin, int8_t cs_pin) DEPRECATED constructor for SPI SSD1306 displays, using native hardware SPI. Download: Adafruit_SSD1306. INTRODUCTION. c) command argument SSD1306_COM_PIN_CONF set to 0x12 (ssd1306. h> //To use the any Adafruit Graphical interface the library is required #include <Adafruit_SSD1306. The remainder of this tutorial covers the common graphics functions that work the same regardless of the display Jul 29, 2012 · The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LCD and OLED displays and LED matrices. This source is an Arduino IDE sketch using the Arduino Library & AdaFruit GFX SSD1306 Library functions to create a a simple counter intended to count tenths of a second. You could try asking Adafruit, its their library. ssd1306. You can purchase one from the Particle Store or from Adafruit. By default, they are both set to the same color (black) which the library uses as a flag to mean no background, i. 1. It needs to be paired with a hardware-specific library for each display device we carry (to handle the lower-level functions). The port is partial in that: it only supports the 128×32 SPI module (unlike the original that supports the I²C and 128×64 modules) and it only supports pixel and text drawing functions (no geometric drawing functions). ~Adafruit_SSD1306 (void) Adafruit SSD1306; Adafruit GFX; Note: Remember to change the I2C address within the example sketch. Many of functions have been working, without void loop condition. 3" and 0. Adafruit GFX : 1. Install the required libraries in the Arduino IDE. Quote the U8g2lib example by name. h. This library supports all print() and write() calls as the internal Serial lib of Arduino core. Provided for older code to maintain compatibility with the current library. I2C communication from my module isn’t really powerful because of slow I2C, even at 400kHz. We will also create another object named ‘display’ which will be handling the OLED display. The display connects by I2C. 9) to the display with exactly one decimal place of precision. There's also one with a tiny joystick. import adafruit_ssd1306 # Create the I2C interface 3 days ago · It's easy to use OLEDs with Python and the Adafruit CircuitPython SSD1306 module. Jul 29, 2012 · It's easy to use OLEDs with Python and the Adafruit CircuitPython DisplayIO SSD1306 module. 96" 16-bit Color OLED w/microSD Holder. You can use this sensor with any computer that has GPIO and Python thanks to Adafruit_Blinka, our CircuitPython-for-Python compatibility library. We want anyone who uses the SSD1306 on a Raspberry Pi, and who wants a library that uses low power to use this library. show 24 25 # Set a pixel in the origin 0,0 position. SSD1306 oled driver library for monochrome 128x64 and 128x32 displays. # Port of Adafruit GFX Arduino library to MicroPython. if void loop include some of context, OLED initializing not work and in serial-monitor, printed as like "SSD1306 Start Failed" Arduino library for SSD1306 monochrome 128x64 and 128x32 OLEDs - adafruit/Adafruit_SSD1306 Jun 26, 2022 · We shall first install a library from the in-built library manager of Arduino IDE. SSD1306 is a single-chip CMOS OLED/PLED driver with controller for organic / polymer light emitting diode dot-matrix graphic display system. Feb 20, 2024 · The Functions that will help you handle the OLED display library to write text and draw simple graphics. To do what you want you should set the background color to something different than the foreground color. You’ll see this in most examples, near the top of the code. In this section, you’ll learn how to write and scroll text using the library functions. Here is a list of all documented class members with links to the class documentation for each member: Jul 29, 2012 · Each device-specific display library will have its own constructors and initialization functions. 8. Maintainer: Sam P. SSD1306_I2C (* args: Any, ** kwargs: Any) ¶ I2C class for SSD1306. General project help for Adafruit customers. If you use HWSpi, the adafruit library defaults to 40Mhz, you can make By the way, in recent, I added Adafruit_SSD1306 Library to my arduino. May 25, 2015 · Yeah, I got it too. I fixed them and really like the auto build test set up through github. It consists of 128 segments and 64commons. Oct 25, 2018 · If your expecting a document explaing all the library functions in detail, then appreciate that with opensource (free!) libraries its not unusual for the documentation to be limited. Display. Added also printf() std function call. Copy the Adafruit_SSD1306-master folder from the downloaded zipped file into the Arduino libraries folder. There you will find the Adafruit_SSD1306. Releases Mar 11, 2024 · # Basic example of clearing and drawing pixels on a SSD1306 OLED display. Type “SSD1306” in the search box and install the SSD1306 library from Arduino library for SSD1306 monochrome 128x64 and 128x32 OLEDs - Adafruit_SSD1306/README. U8glib is deprecated. The only reset pin needs to describe. Jan 8, 2013 · Adafruit SSD1306 Adafruit_SSD1306() : Adafruit_SSD1306 begin() : Adafruit_SSD1306 clearDisplay() : Adafruit_SSD1306 dim() : Adafruit_SSD1306 display() : Adafruit_SSD1306 May 18, 2022 · The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LCD and OLED displays. So, a couple of constants are defined. This Jul 4, 2023 · In this tutorial we’ll use two Adafruit libraries: Adafruit_SSD1306 library and Adafruit_GFX library. #include <Wire. To draw shapes on the OLED display, we’ll use the Adafruit GFX Library. So the divide-by-eight and left shift are needed to address a bit within a byte. Oct 17, 2017 · Both these libraries are available from Adafruit. But anyway, for having this LCD just to showing small updates and notifications for users in your project, I2C Since wire library has Wire. Download the Adafruit_SSD1306 library which is saved to your computer in a file called Adafruit_SSD1306-master. SSD1306Ascii is an unbuffered character only library for small OLED displays like the Adafruit 1. Open up the Arduino library manager: Search for the Adafruit SSD1306 library and install it • • ©Adafruit Industries Nov 16, 2012 · To that end, I’ve partially ported Adafruit’s SSD1306 library to Python for the Raspberry Pi. This adafruit_ssd1306 ¶ MicroPython SSD1306 OLED driver, I2C and SPI interfaces. 1 (used for speed comparison tests) u8g2 (replaces u8g as an improved solution) : 2. SSD1306 oled driver library for monochrome 128x64 and 128x32 Jan 8, 2013 · c: The ASCII character in question : x: Pointer to x location of character. This library is compatible with all architectures so you should be able to use it on all the Arduino boards. SSD1306 oled driver library for Wemos D1 Mini OLED shield This is based on the Adafruit library, with additional code added to support the 64x48 display by mcauser. Open your Arduino IDE and go to Sketch > Include Library > Manage Libraries. ). Mar 7, 2017 · johnwasser: Using Fonts | Adafruit GFX Graphics Library | Adafruit Learning System. These are documented in the individual tutorials for each display type, or oftentimes are evident in the specific library header file. cpp:95:29: error: 'class TwoWire' has no member Apr 13, 2022 · The adafruit library actually has a low-level function ssd1306_command(). h> //This describes the driver type. To install a Library search for the library name: Dec 14, 2023 · In this tutorial, we’ll use two Adafruit libraries: Adafruit_SSD1306 library and Adafruit_GFX library. But anyway, for having this LCD just to showing small updates and notifications for users in your project, I2C Dec 7, 2023 · The Adafruit library for the OLED display comes with several functions to write text. 2. Public Member Functions Adafruit_SSD1306_I2c (I2C &i2c, PinName RST, uint8_t i2cAddress=SSD_I2C_ADDRESS, uint8_t rawHeight=32, uint8_t rawWidth=128) Create a SSD1306 I2C transport display driver instance with the specified RST pin name, the I2C address, as well as the display dimensions. # Author: Tony DiCola # License: Public Domain # Import all board pins. You signed in with another tab or window. Author: Adafruit + mcauser. it/cBB Download Adafruit_BusIO Library https://adafru. Python library to use SSD1306-based 128x64 or 128x32 pixel OLED displays with a Raspberry Pi or Beaglebone Black. Refer to the Adafruit SSD1306 library documentation for Now, we will create an instance named ‘mpu’ of the Adafruit_MPU6050 library. The Library Manager should open. of the display initialization function like so: display. y: Pointer to y location of character. Jul 22, 2014 · Download that library and place it in the correct directory and your OLED should work. Jul 11, 2016 · I wonder if there is a way to strip down memory usage of the SSD1306 library (uses Adafruit GFX lib to render the texts), which currently maxes out the Arduino 328 SRAM to 125% with RadioHead library in the same codebase. These displays are small, only about 1" diagonal, but very readable due to the high contrast of an OLED display. This library isn’t part of the standard MicroPython library by default. setPins(SDA,SCL) functions but it is not until within setup() function that I can run them and the wire object has already passed to the Adafruit_SSD1306 constructor, I do not know how to pass custom pin numbers to the instance of wire that I'm passing to the constructor. Be sure to use the right values for the display you're using! Jul 29, 2012 · This is a quick tutorial for our 128x64 and 128x32 pixel monochrome OLED displays. Releases The OLED SSD1306 driver is based on the Adafruit GFX library which provides all the underlying graphics functions such as drawing pixels, lines, circles, etc Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Dependencies This library depends on Adafruit_GFX being present on your system. Additionally, the Adafruit library doesn't appear to have the uneven vertical spacing issue. Provides API for working with monochrome and color oled/lcd displays over i2c/spi, and VGA monitor. c) END_PAGE_ADDR set to 7 (ssd1306. We will be using the Adafruit SSD1306 library to access useful functions to show you how to display texts easily on the OLED. 96" Monochrome displays. Click on Install button Jul 17, 2024 · and Adafruit_GFX, which builds atop this to add graphics functions like lines, circles and text. h file. This will be used in handling the sensor. Change these # to the right size for your display! display = adafruit_ssd1306. Library Installation. First, we include a single header file which will provide the Adafruit SSD1306 library function. ino (it's my firmware). 14. You signed out in another tab or window. Jul 20, 2012 · Adafruit_ST7735, for our 1. zip Hardware Requirements Adafruit sells these OLED displays in I2C and SPI interface. Library versions. Jan 1, 2022 · I'll talk through each line above. looks like the exact one that I wanted. Copy the code given below in that file. This is the core graphics library for all our displays, providing a common set of graphics primitives (points, lines, circles, etc. But while I was able to change the program to add the new fonts I guess I need to some more home work before I can start showing them on the 128 x 32 OLED that I have. Because the display makes its own light, no backlight is required. u8g : 1. cpp: In member function 'void Adafruit_SSD1306::ssd1306_command(uint8_t)': C:\Users\Richard W Bruner\Documents\Arduino\libraries\Adafruit_SSD1306\Adafruit_SSD1306. SSD1306_I2C(display_width, display_height, i2c, addr=0x31) 20 21 # fills display with black pixels clearing it 22 display. Feb 19, 2020 · We tested the Adafruit library and it used more CPU than expected. The values specify rotations of 0, 90, 180, and 270 degrees. ifns wuza ildwgcq dur urnva cwfwfru pedvq owdk xyabodhde kmhxyw