# MagTag Sports Schedule Viewer ## Overview ![](https://cdn-learn.adafruit.com/assets/assets/000/099/735/medium800/internet_of_things___iot_magsports-0182.jpg?1614186065) NOTE: [This guide](https://learn.adafruit.com/led-matrix-sports-scoreboard) uses newer methods of parsing large json files that may be helpful if you run into issues with schedule size for your sport of choice. This MagTag project puts your daily sports schedule right on your fridge. Check out the upcoming games in any sport covered by the ESPN API, including NCAA basketball, NHL hockey, NFL football, college baseball, Italia Serie A soccer, and more. You can press a button to advance to the next game in the series, and any final games will display their score as well! (Special thanks to my sports-watching brother-in-law Jim Kelly for consultation on this project. Go Bucks!) ## Parts ### Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display [Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display](https://www.adafruit.com/product/4800) The Adafruit MagTag combines the ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power is removed! The ESP32-S2 is great because it builds on the years of code and support for the ESP32 and also adds... In Stock [Buy Now](https://www.adafruit.com/product/4800) [Related Guides to the Product](https://learn.adafruit.com/products/4800/guides) ![Angled shot of rectangle-shaped electronic ink display breakout with the text: "MAGTAG 2025 Edition with SSD1680 Chipset"](https://cdn-shop.adafruit.com/640x480/4800-10.jpg) optional: ### Mini Magnet Feet for RGB LED Matrices (Pack of 4) [Mini Magnet Feet for RGB LED Matrices (Pack of 4)](https://www.adafruit.com/product/4631) Got a glorious RGB Matrix project you want to mount and display in your workspace or home? If you have one of the matrix panels listed below, you'll need a pack of these **Mini-Magnet Feet.**  We got these specifically for our RGB LED Matrices, which no longer... In Stock [Buy Now](https://www.adafruit.com/product/4631) [Related Guides to the Product](https://learn.adafruit.com/products/4631/guides) ![Angled shot of four magnet feet.](https://cdn-shop.adafruit.com/640x480/4631-00.jpg) ### Acrylic + Hardware Kit for Adafruit MagTag [Acrylic + Hardware Kit for Adafruit MagTag](https://www.adafruit.com/product/4807) Here is the perfect kit with two faceplate options for your MagTag, including a vivid Red Arrow plate and a dreamy white Cloud plate. And of course, the mounting hardware is included, so you can assemble it with just a plain Phillips screwdriver. Takes less than 3... In Stock [Buy Now](https://www.adafruit.com/product/4807) [Related Guides to the Product](https://learn.adafruit.com/products/4807/guides) ![Acrylic + Hardware Kit for Adafruit MagTag showing contents](https://cdn-shop.adafruit.com/640x480/4807-00.jpg) or ### Adafruit MagTag Starter Kit - ADABOX017 Essentials [Adafruit MagTag Starter Kit - ADABOX017 Essentials](https://www.adafruit.com/product/4819) The **Adafruit MagTag** combines the new ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power is removed! The ESP32-S2 is great because it builds on the years of code and support for the... In Stock [Buy Now](https://www.adafruit.com/product/4819) [Related Guides to the Product](https://learn.adafruit.com/products/4819/guides) ![MagTag dev board with enclosure pieces, four magnet feet, and lipoly battery](https://cdn-shop.adafruit.com/640x480/4819-02.jpg) # MagTag Sports Schedule Viewer ## Install CircuitPython Danger: Make sure that you [update the TinyUF2 Bootloader](https://learn.adafruit.com/adafruit-magtag/update-tinyuf2-bootloader-for-circuitpython-10-4mb-boards-only) before installing CircuitPython! ### Adafruit MagTag - Update TinyUF2 Bootloader for CircuitPython 10 and Later [Adafruit MagTag](https://learn.adafruit.com/adafruit-magtag) [Update TinyUF2 Bootloader for CircuitPython 10 and Later](https://learn.adafruit.com/adafruit-magtag/update-tinyuf2-bootloader-for-circuitpython-10-4mb-boards-only) [CircuitPython](https://github.com/adafruit/circuitpython) is a derivative of [MicroPython](https://micropython.org) designed to simplify experimentation and education on low-cost microcontrollers. It makes it easier than ever to get prototyping by requiring no upfront desktop software downloads. Simply copy and edit files on the **CIRCUITPY** drive to iterate. ## Set Up CircuitPython Follow the steps to get CircuitPython installed on your MagTag. [CircuitPython Download for MagTag](https://circuitpython.org/board/adafruit_magtag_2.9_grayscale/) Warning: WARNING: The updated Adafruit MagTag 2025 Edition will not work with CircuitPython 9.2.x or earlier. Make sure you install 10.x.x or later! **Click the link above and download the latest .BIN and .UF2 file** You can use a 9.x.x release for a pre-2025 MagTag. You  **must** use a 10.x.x release for the updated MagTag 2025 Edition. (depending on how you program the ESP32S2 board you may need one or the other, might as well get both) Download and save it to your desktop (or wherever is handy). ![](https://cdn-learn.adafruit.com/assets/assets/000/138/625/medium640/adafruit_products_magtag-9.2.8.png?1753973423) ![](https://cdn-learn.adafruit.com/assets/assets/000/138/626/medium640/adafruit_products_magtag-10.0.0-beta.2.png?1753973581) Plug your MagTag into your computer using a known-good USB cable. **A lot of people end up using charge-only USB cables and it is very frustrating! So make sure you have a USB cable you know is good for data sync.** ![adafruit_products_MagTag_top.jpg](https://cdn-learn.adafruit.com/assets/assets/000/096/955/medium640/adafruit_products_MagTag_top.jpg?1605035864) # Option 1 - Load with UF2 Bootloader This is by far the easiest way to load CircuitPython. **However it requires your board has the UF2 bootloader installed. Some early boards do not (we hadn't written UF2 yet!) - in which case you can load using the built in ROM bootloader.** Still, try this first! Warning: Make sure that you [update the TinyUF2 Bootloader](https://learn.adafruit.com/adafruit-magtag/update-tinyuf2-bootloader-for-circuitpython-10-4mb-boards-only) before following these steps for the UF2 bootloader! ## Try Launching UF2 Bootloader Loading CircuitPython by drag-n-drop UF2 bootloader is the easier way and we recommend it. If you have a MagTag where the front of the board is black, your MagTag came with UF2 already on it. ![adafruit_products_IMG_0169.jpg](https://cdn-learn.adafruit.com/assets/assets/000/097/429/medium640/adafruit_products_IMG_0169.jpg?1607200225) Launch UF2 by **double-clicking** the Reset button (the one next to the USB C port). You may have to try a few times to get the timing right. ![adafruit_products_MagTag_pinouts_Reset_and_Boot0.jpg](https://cdn-learn.adafruit.com/assets/assets/000/097/430/medium640/adafruit_products_MagTag_pinouts_Reset_and_Boot0.jpg?1607202717) If the UF2 bootloader is installed, you will see a new disk drive appear called **MAGTAGBOOT** ![adafruit_products_image.png](https://cdn-learn.adafruit.com/assets/assets/000/097/431/medium640/adafruit_products_image.png?1607202820) Copy the **UF2** file you downloaded at the first step of this tutorial onto the **MAGTAGBOOT** drive ![adafruit_products_image.png](https://cdn-learn.adafruit.com/assets/assets/000/097/432/medium640/adafruit_products_image.png?1607202977) If you're using Windows and you get an error at the end of the file copy that says **Error from the file copy, Error 0x800701B1: A device which does not exist was specified.** You can ignore this error, the bootloader sometimes disconnects without telling Windows, the install completed just fine and you can continue.[If its really annoying, you can also upgrade the bootloader (the latest version of the UF2 bootloader fixes this warning)](https://learn.adafruit.com/adafruit-magtag/install-uf2-bootloader) Your board should auto-reset into CircuitPython, or you may need to press reset. A **CIRCUITPY** drive will appear. You're done! Go to the next pages. ![adafruit_products_image.png](https://cdn-learn.adafruit.com/assets/assets/000/097/433/medium640/adafruit_products_image.png?1607203475) # Option 2 - Use esptool to load BIN file If you have an original MagTag with while soldermask on the front, we didn't have UF2 written for the ESP32S2 yet so it will not come with the UF2 bootloader. You can upload with **esptool** to the ROM (hardware) bootloader instead! Follow the initial steps found in the [Run esptool and check connection section of the ROM Bootloader page](https://learn.adafruit.com/adafruit-magtag/rom-bootloader#run-esptool-and-check-connection-3076823-5) to verify your environment is set up, your board is successfully connected, and which port it's using. **In the final command to write a binary file to the board, replace the port with your port, and replace "firmware.bin" with the the file you downloaded above.** The output should look something like the output in the image. ![adafruit_products_Metro_ESP32_S2_binary_install.png](https://cdn-learn.adafruit.com/assets/assets/000/096/950/medium640/adafruit_products_Metro_ESP32_S2_binary_install.png?1605031120) Press reset to exit the bootloader. Your **CIRCUITPY** drive should appear! You're all set! Go to the next pages. ![adafruit_products_Metro_ESP32_S2_CIRCUITPY.png](https://cdn-learn.adafruit.com/assets/assets/000/096/951/medium640/adafruit_products_Metro_ESP32_S2_CIRCUITPY.png?1605031168) # Option 3 - Use Chrome Browser To Upload BIN file If for some reason you cannot get esptool to run, you can always try using the Chrome-browser version of esptool we have written. This is handy if you don't have Python on your computer, or something is really weird with your setup that makes esptool not run (which happens sometimes and isn't worth debugging!) You can follow along on the [Web Serial ESPTool](https://learn.adafruit.com/adafruit-magtag/web-serial-esptool) page and either load the UF2 bootloader and then come back to Option 1 on this page, or you can download the CircuitPython BIN file directly using the tool in the same manner as the bootloader. # MagTag Sports Schedule Viewer ## CircuitPython Internet Test One of the great things about most Espressif microcontrollers are their built-in WiFi capabilities. This page covers the basics of getting connected using CircuitPython. The first thing you need to do is update your **code.py** to the following (it will error until WiFi details are added). Click the **Download Project Bundle** button to download the necessary libraries and the  **code.py** file in a zip file. Extract the contents of the zip file, and copy the **entire** **lib** **folder** and the **code.py** file to your **CIRCUITPY** drive. https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/ESP32_S2_WiFi_Tests/CPy_Native_WiFi_Test/code.py Your **CIRCUITPY** drive should resemble the following. ![CIRCUITPY](https://adafruit.github.io/Adafruit_Learning_System_Guides/ESP32_S2_WiFi_Tests_CPy_Native_WiFi_Test.png ) To get connected, the next thing you need to do is update the **settings.toml** file. ## The settings.toml File We expect people to share tons of projects as they build CircuitPython WiFi widgets. What we want to avoid is people accidentally sharing their passwords or secret tokens and API keys. So, we designed all our examples to use a **settings.toml** file, that is on your  **CIRCUITPY**  drive, to hold secret/private/custom data. That way you can share your main project without worrying about accidentally sharing private stuff. If you have a fresh install of CircuitPython on your board, the initial **settings.toml** file on your **CIRCUITPY** drive is empty. To get started, you can update the **settings.toml** on your **CIRCUITPY** drive to contain the following code. https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/ESP32_S2_WiFi_Tests/CPy_Native_WiFi_Test/settings.toml This file should contain a series of Python variables, each assigned to a string. Each variable should describe what it represents (say `wifi_ssid`), followed by an **= ** (equals sign), followed by the data in the form of a Python string (such as `"my-wifi-password"` including the quote marks). **At a minimum you'll need to add/update your WiFi SSID and WiFi password, so do that now!** As you make projects you may need more tokens and keys, just add them one line at a time. See for example other tokens such as one for accessing GitHub or the Hackaday API. Other non-secret data like your timezone can also go here. For the correct time zone string, look at [http://worldtimeapi.org/timezones](http://worldtimeapi.org/timezones) and remember that if your city is not listed, look for a city in the same time zone, for example Boston, New York, Philadelphia, Washington DC, and Miami are all on the same time as New York. Of course, don't share your **settings.toml** - keep that out of GitHub, Discord or other project-sharing sites. Warning: If you connect to the serial console, you should see something like the following: ![](https://cdn-learn.adafruit.com/assets/assets/000/097/014/medium800/adafruit_products_1__screen__Users_brentrubell__screen_.png?1605218222) In order, the example code... Checks the ESP32's MAC address. ```python print(f"My MAC address: {[hex(i) for i in wifi.radio.mac_address]}") ``` Performs a scan of all access points and prints out the access point's name (SSID), signal strength (RSSI), and channel. ```python print("Available WiFi networks:") for network in wifi.radio.start_scanning_networks(): print("\t%s\t\tRSSI: %d\tChannel: %d" % (str(network.ssid, "utf-8"), network.rssi, network.channel)) wifi.radio.stop_scanning_networks() ``` Connects to the access point you defined in the **settings.toml** file, and prints out its local IP address. ```python print(f"Connecting to {os.getenv('WIFI_SSID')}") wifi.radio.connect(os.getenv("WIFI_SSID"), os.getenv("WIFI_PASSWORD")) print(f"Connected to {os.getenv('WIFI_SSID')}") print(f"My IP address: {wifi.radio.ipv4_address}") ``` Attempts to ping a Google DNS server to test connectivity. If a ping fails, it returns `None`. Initial pings can sometimes fail for various reasons. So, if the initial ping is successful (`is not None`), it will print the echo speed in ms. If the initial ping fails, it will try one more time to ping, and then print the returned value. If the second ping fails, it will result in `"Ping google.com: None ms"` being printed to the serial console. Failure to ping does not always indicate a lack of connectivity, so the code will continue to run. ```python ping_ip = ipaddress.IPv4Address("8.8.8.8") ping = wifi.radio.ping(ip=ping_ip) * 1000 if ping is not None: print(f"Ping google.com: {ping} ms") else: ping = wifi.radio.ping(ip=ping_ip) print(f"Ping google.com: {ping} ms") ``` The code creates a socketpool using the wifi radio's available sockets. This is performed so we don't need to re-use sockets. Then, it initializes a a new instance of the [requests](http://docs.python-requests.org/en/master/) interface - which makes getting data from the internet _really really easy._ ```python pool = socketpool.SocketPool(wifi.radio) requests = adafruit_requests.Session(pool, ssl.create_default_context()) ``` To read in plain-text from a web URL, call `requests.get` - you may pass in either a http, or a http **s** url for SSL connectivity.  ```python print(f"Fetching text from {TEXT_URL}") response = requests.get(TEXT_URL) print("-" * 40) print(response.text) print("-" * 40) ``` Requests can also display a JSON-formatted response from a web URL using a call to `requests.get`.  ```python print(f"Fetching json from {JSON_QUOTES_URL}") response = requests.get(JSON_QUOTES_URL) print("-" * 40) print(response.json()) print("-" * 40) ``` Finally, you can fetch and parse a JSON URL using `requests.get`. This code snippet obtains the `stargazers_count` field from a call to the GitHub API. ```python print(f"Fetching and parsing json from {JSON_STARS_URL}") response = requests.get(JSON_STARS_URL) print("-" * 40) print(f"CircuitPython GitHub Stars: {response.json()['stargazers_count']}") print("-" * 40) ``` OK you now have your ESP32 board set up with a proper **settings.toml** file and can connect over the Internet. If not, check that your **settings.toml** file has the right SSID and password and retrace your steps until you get the Internet connectivity working! ## IPv6 Networking Starting in CircuitPython 9.2, IPv6 networking is available on most Espressif wifi boards. Socket-using libraries like **adafruit\_requests** and **adafruit\_ntp** will need to be updated to use the new APIs and for now can only connect to services on IPv4. ### IPv6 connectivity & privacy IPv6 addresses are divided into many special kinds, and many of those kinds (like those starting with  **FC** , **FD** , **FE** ) are private or local; Addresses starting with other prefixes like  **2002:** and **2001:** are globally routable. In 2024, far from all ISPs and home networks support IPv6 internet connectivity. For more info consult resources like [Wikipedia](https://en.wikipedia.org/wiki/IPv6_address#Local_addresses). If you're interested in global IPv6 connectivity you can use services like [Hurricane Electric](https://www.he.net/) to create an "IPv6 tunnel" (free as of 2024, but requires expertise and a compatible router or host computer to set up) It's also important to be aware that, as currently implemented by Espressif, there are privacy concerns especially when these devices operate on the global IPv6 network: The device's unique identifier (its EUI-64 or MAC address) is used by default as part of its IPv6 address. This means that the device identity can be tracked across multiple networks by any service it connects to. ### Enable IPv6 networking Due to the privacy consideration, IPv6 networking is not automatically enabled. Instead, it must be explicitly enabled by a call to `start_dhcp_client` with the `ipv6=True` argument specified: ```python wifi.start_dhcp_client(ipv6=True) ``` ### Check IP addresses The read-only `addresses` property of the `wifi.radio` object holds all addresses, including IPv4 and IPv6 addresses: ```python >>> wifi.radio.addresses ('FE80::7EDF:A1FF:FE00:518C', 'FD5F:3F5C:FE50:0:7EDF:A1FF:FE00:518C', '10.0.3.96') ``` The `wifi.radio.dns` servers can be IPv4 or IPv6: ```python >>> wifi.radio.dns ('FD5F:3F5C:FE50::1',) >>> wifi.radio.dns = ("1.1.1.1",) >>> wifi.radio.dns ('1.1.1.1',) ``` ### Ping v6 networks `wifi.radio.ping` accepts v6 addresses and names: ```python >>> wifi.radio.ping("google.com") 0.043 >>> wifi.radio.ping("ipv6.google.com") 0.048 ``` ### Create & use IPv6 sockets Use the address family `socket.AF_INET6`. After the socket is created, use methods like `connect`, `send`, `recfrom_into`, etc just like for IPv4 sockets. This code snippet shows communicating with a private-network NTP server; this IPv6 address will not work on your network: ```python >>> ntp_addr = ("fd5f:3f5c:fe50::20e", 123) >>> PACKET_SIZE = 48 >>> >>> buf = bytearray(PACKET_SIZE) >>> with socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) as s: ... s.settimeout(1) ... buf[0] = 0b0010_0011 ... s.sendto(buf, ntp_addr) ... print(s.recvfrom_into(buf)) ... print(buf) ... 48 (48, ('fd5f:3f5c:fe50::20e', 123)) bytearray(b'$\x01\x03\xeb\x00\x00\x00\x00\x00\x00\x00GGPS\x00\xeaA0h\x07s;\xc0\x00\x00\x00\x00\x00\x00\x00\x00\xeaA0n\xeb4\x82-\xeaA0n\xebAU\xb1') ``` # MagTag Sports Schedule Viewer ## MagTag-Specific CircuitPython Libraries To use all the amazing features of your MagTag with CircuitPython, you must first install a number of libraries. This page covers that process. ## Get Latest Adafruit CircuitPython Bundle Download the Adafruit CircuitPython Library Bundle. You can find the latest release here: [Download the latest Library Bundle from circuitpython.org](https://circuitpython.org/libraries) Download the **adafruit-circuitpython-bundle-version-mpy-\*.zip** bundle zip file, and unzip a folder of the same name. Inside you'll find a **lib** folder. The entire collection of libraries is too large to fit on the **CIRCUITPY** drive. Therefore, you'll need to copy the necessary libraries to your board individually. At a minimum, the following libraries are required. Copy the following folders or .mpy files to the **lib** folder on your **CIRCUITPY** drive. **If the library is a folder, copy the entire folder** to the **lib** folder on your board. Library folders (copy the whole folder over to lib): - **adafruit\_magtag** - This is a helper library designed for using all of the features of the MagTag, including networking, buttons, NeoPixels, etc. - **adafruit\_portalbase** - This library is the base library that adafruit\_magtag is built on top of. - **adafruit\_bitmap\_font** - There is fancy font support, and it's easy to make new fonts. This library reads and parses font files. - **adafruit\_display\_text** - This library displays text on the screen. - **adafruit\_io** - This library helps connect the MagTag to our free data logging and viewing service - **adafruit\_minimqtt** - This library provides MQTT service for Adafruit IO. Library files: - **adafruit\_requests.mpy** - This library allows us to perform HTTP requests and get responses back from servers. GET/POST/PUT/PATCH - they're all in here! - **adafruit\_fakerequests.mpy ** - This library allows you to create fake HTTP requests by using local files. - **adafruit\_miniqr.mpy ** - QR creation library lets us add easy-to-scan 2D barcodes to the E-Ink display - **neopixel.mpy** - This library is used to control the onboard NeoPixels. - **simpleio.mpy** - This library is used for tone generation. ## settings.toml Even if you aren't planning to go online with your MagTag, you'll need to have a **settings.toml** file in the root directory (top level) of your **CIRCUITPY** drive. If you do not intend to connect to wireless, it does not need to have valid data in it. See the previous page on creating a **settings.toml** file. # MagTag Sports Schedule Viewer ## Code the MagTag Sports Schedule Viewer ![](https://cdn-learn.adafruit.com/assets/assets/000/099/739/medium800/internet_of_things___iot_magsports-0192.jpg?1614187717) ## Text Editor Adafruit recommends using the Mu editor for editing your CircuitPython code. You can get more info in [this guide](https://learn.adafruit.com/welcome-to-circuitpython/installing-mu-editor). Alternatively, you can use any text editor that saves simple text files. ## Code Click the Download Project Bundle button below in the code window to get a zip file with all the files needed for the project. Copy **code.py**  from the zip file and place on the **CIRCUITPY** drive. Copy the **/fonts** directory from the zip file linked below and place and its contents it on the **CIRCUITPY** drive. Once all the files are on the MagTag **CIRCUITPY** drive, the directory structure should be the same as the listing below. If not, ensure you've got all the files noted in prior steps. [fonts.zip](https://cdn-learn.adafruit.com/assets/assets/000/099/736/original/fonts.zip?1614186374) ![CIRCUITPY](https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/folder-images/MagTag_MagTag_Sports_Schedule.png?raw=true ) https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/MagTag/MagTag_Sports_Schedule/code.py ## How It Works When you start it up, the MagTag will get online using your WiFi access point credentials you entered in the **settings.toml** file. It will then take a minute to download the entire json file from the ESPN API for the sport selected (initially NCAA Men's Basketball, but you can switch sports with the MagTag's A button, or with the `current_sport` variable in the code). Press the D button to advance to the next game in the schedule, Press C to go back one game, in case you missed some important details! If you want to refresh the json data for the day, press the B button. ## Libraries You'll first import the libraries `time`, `json`, `adafruit_datetime` (to deal with timezone/dateline conversion, since your timezone may differ from the Zulu time in the API), and `adafruit_magtag`. Next, you'll set some variables related to timezone: ```python USE_24HR_TIME = False TIME_ZONE_OFFSET = -8 # hours ahead or behind Zulu time, e.g. Pacific is -8 TIME_ZONE_NAME = "PST" ``` ## API JSON URLs These are a number of the sports available from the ESPN API. You can read more details and get more sports [here](https://www.gpwa.org/forum/espns-hidden-api-scores-stats-json-endpoints-251149.html). ```python SPORTS = [ { "name": "NCAA Men's Basketball", #pylint: disable=line-too-long "url": "http://site.api.espn.com/apis/site/v2/sports/basketball/mens-college-basketball/scoreboard", }, { "name": "NCAA Wmn's Basketball", #pylint: disable=line-too-long "url": "http://site.api.espn.com/apis/site/v2/sports/basketball/womens-college-basketball/scoreboard", }, { "name": "NHL Hockey", "url": "http://site.api.espn.com/apis/site/v2/sports/hockey/nhl/scoreboard", }, { "name": "NFL Football", "url": "http://site.api.espn.com/apis/site/v2/sports/football/nfl/scoreboard", }, { "name": "MLB Baseball", "url": "http://site.api.espn.com/apis/site/v2/sports/baseball/mlb/scoreboard", }, { "name": "College Baseball", "url": "http://site.api.espn.com/apis/site/v2/sports/baseball/college-baseball/scoreboard", }, { "name": "NBA Basketball", "url": "http://site.api.espn.com/apis/site/v2/sports/basketball/nba/scoreboard", }, { "name": "WNBA Basketball", "url": "http://site.api.espn.com/apis/site/v2/sports/basketball/wnba/scoreboard", }, { "name": "College Football", "url": "http://site.api.espn.com/apis/site/v2/sports/football/college-football/scoreboard", }, { "name": "MLS Soccer", "url": "http://site.api.espn.com/apis/site/v2/sports/soccer/usa.1/scoreboard", }, { "name": "Premiere League", "url": "http://site.api.espn.com/apis/site/v2/sports/soccer/eng.1/scoreboard", }, { "name": "Italian Serie A", "url": "http://site.api.espn.com/apis/site/v2/sports/soccer/ita.1/scoreboard", }, { "name": "German Bundesliga", "url": "http://site.api.espn.com/apis/site/v2/sports/soccer/ger.1/scoreboard", }, ] ``` ## Game Variables These variables are used to track which sport is being used and which game is currently displayed, as well as setting up the variable that will be used to parse the json date. The json files in the ESPN API are very consistent, so the locations of, say, the event scores for a final are consistent from game to game and sport to sport. Yay for standards! ```python current_game = 0 # You can cycle among different sports with the A button, or set it here: current_sport = 0 sports_data = [] EVENTS_LOCATION = ["events"] STATUS_LOCATION = ["status", "type", "description"] BROADCAST_LOCATION = ["competitions", 0, "broadcasts"] IS_FINAL_LOCATION = ["competitions", 0, "status", "type", "id"] SCORES_LOCATION = ["competitions", 0, "competitors"] SCORE_0_LOCATION = ["competitions", 0, "competitors", 0, "score"] SCORE_1_LOCATION = ["competitions", 0, "competitors", 1, "score"] ``` ## MagTag Setup & Date Time Function You'll set up the MagTag device, with the URL argument, and then create a function to format the date and time. ```python magtag = MagTag( url=SPORTS[current_sport]["url"], ) def format_date(iso_formatted_date): if iso_formatted_date is None: return "When: Unavailable" date = datetime.fromisoformat(iso_formatted_date[:-1]) date += timedelta(hours=TIME_ZONE_OFFSET) if USE_24HR_TIME: timestring = "%d:%02d %s" % (date.hour, date.minute, TIME_ZONE_NAME) elif date.hour > 12: timestring = "%d:%02d pm %s" % ( abs((date.hour - 12) % 12), date.minute, TIME_ZONE_NAME, ) else: timestring = "%d:%02d am %s" % (date.hour, date.minute, TIME_ZONE_NAME) return "%s %d, %s" % (months[date.month - 1], date.day, timestring) ``` ## Functions, Functions, Functions The next few functions are the dark inner workings for formatting all the little bits of data we need to display. ```python def format_score(scores, is_final): home_score = scores[0]["score"] away_score = scores[1]["score"] if not home_score or not away_score: return "Unavailable" if int(is_final) == 3: return "%s - %s" % (home_score, away_score) return " " def format_available(value): if value is None: return "Unavailable" return value def format_broadcast(value): if not value: value = "N/A" else: value = magtag.network.json_traverse(value, [0, "names", 0]) return "Airing on: " + value def get_game_number(): return "Game %d of %d" % (current_game + 1, len(sports_data)) def play_tone(frequency, color=None): magtag.peripherals.neopixel_disable = False if color: magtag.peripherals.neopixels.fill(color) magtag.peripherals.play_tone(frequency, 0.2) magtag.peripherals.neopixel_disable = True def update_labels(): # Set the labels for the current game data magtag.set_text(SPORTS[current_sport]["name"], 0, False) magtag.set_text(sports_data[current_game]["name"], 1, False) magtag.set_text(sports_data[current_game]["date"], 2, False) magtag.set_text(sports_data[current_game]["broadcast"], 3, False) magtag.set_text(sports_data[current_game]["status"], 4, False) magtag.set_text(get_game_number(), 5, False) magtag.set_text(sports_data[current_game]["score"], 6) # wait 2 seconds for display to complete time.sleep(2) def fetch_sports_data(reset_game_number=True): # Fetches and parses data for all games for the current sport #pylint: disable=global-statement global sports_data, current_game, current_sport magtag.url = SPORTS[current_sport]["url"] sports_data.clear() raw_data = json.loads(magtag.fetch(auto_refresh=False)) events = raw_data["events"] for event in events: game_data = {} game_data["name"] = format_available(event["name"]) game_data["date"] = format_date(event["date"]) game_data["status"] = "Game status: " + format_available( magtag.network.json_traverse(event, STATUS_LOCATION) ) game_data["broadcast"] = format_broadcast( magtag.network.json_traverse(event, BROADCAST_LOCATION) ) scores = magtag.network.json_traverse(event, SCORES_LOCATION) is_final = magtag.network.json_traverse(event, IS_FINAL_LOCATION) game_data["score"] = format_score(scores, is_final) sports_data.append(game_data) if reset_game_number or current_game > len(sports_data): current_game = 0 update_labels() ``` ## Labels The text to be displayed on the MagTag is set up next. ```python magtag.add_text( text_font="/fonts/Lato-Bold-ltd-25.bdf", text_position=(10, 15), is_data=False ) # Game Name magtag.add_text( text_font="/fonts/Arial-Bold-12.pcf", text_wrap=35, line_spacing=0.75, text_position=(10, 70), is_data=False, ) # Date magtag.add_text(text_font="/fonts/Arial-12.bdf", text_position=(10, 40), is_data=False) # Broadcast Information magtag.add_text( text_font="/fonts/Arial-Italic-12.bdf", text_position=(10, 100), is_data=False ) # Game Status magtag.add_text( text_font="/fonts/Arial-Italic-12.bdf", text_position=(10, 120), is_data=False ) # Game Number magtag.add_text( text_font="/fonts/Arial-Italic-12.bdf", text_position=(190, 38), is_data=False ) # Score magtag.add_text( text_font="/fonts/Arial-Bold-24.bdf", text_position=(170, 94), is_data=False ) ``` ## Fetch The last bit of setup is to fetch the sports data from the selected URL using` fetch_sports_data()` This causes the data to be downloaded, parsed, formatted, and finally displayed on the MagTag screen! ![](https://cdn-learn.adafruit.com/assets/assets/000/099/738/medium800/internet_of_things___iot_magsports-0181.jpg?1614187699) ## Main Loop The main loop of the program watches for button presses and changes or fetches new data depending on the button pressed. ```python while True: if magtag.peripherals.button_a_pressed: # switch to next sport play_tone(620, 0x000033) current_sport += 1 if current_sport >= len(SPORTS): current_sport = 0 fetch_sports_data() elif magtag.peripherals.button_b_pressed: # re-fetch data play_tone(220, 0x330000) fetch_sports_data(False) elif magtag.peripherals.button_c_pressed: # display previous game play_tone(350, 0x330000) current_game -= 1 if current_game < 0: current_game = len(sports_data) - 1 update_labels() elif magtag.peripherals.button_d_pressed: # display next game play_tone(440, 0x003300) current_game += 1 if current_game >= len(sports_data): current_game = 0 update_labels() time.sleep(0.01) ``` ## Featured Products ### Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display [Adafruit MagTag - 2.9" Grayscale E-Ink WiFi Display](https://www.adafruit.com/product/4800) The Adafruit MagTag combines the ESP32-S2 wireless module and a 2.9" grayscale E-Ink display to make a low-power IoT display that can show data on its screen even when power is removed! 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