# Deco Two-Key Feather Macro Pad ## Overview ![](https://cdn-learn.adafruit.com/assets/assets/000/102/733/medium800/gaming_deco-key-1699-alt.jpg?1623248481) https://www.youtube.com/watch?v=6FbnCo_qe4w Minimal mechanical macropads are fun and useful. Perfect for playing rhythm games (Osu!), media controls, mic/camera muting, and more. You can customize the Deco Keypad to press any key or key-combo, as well as pick your favorite colors for the under-lit NeoPixels. Build your own using the NeoKey FeatherWing, two mechanical keyswitches with keycaps, and the CircuitPython-capable Feather of your choice. The Art Deco-inspired, 3D printed case has ports for USB, STEMMA QT cable, and the reset button. Add rubber bumper feet for a nice, stable macropad experience! ![](https://cdn-learn.adafruit.com/assets/assets/000/102/788/medium800thumb/gaming_deco.jpg?1623253363) ## Parts ### NeoKey FeatherWing - Two Mechanical Key Switches with NeoPixels [NeoKey FeatherWing - Two Mechanical Key Switches with NeoPixels](https://www.adafruit.com/product/4979) The only thing better than a nice mechanical key, is two of them, and ones that also can glow any color of the rainbow - and that's what the **Adafruit NeoKey FeatherWing** will let you do! This Wing plugs into any/all Feather main boards and can fit two **Cherry MX or...** In Stock [Buy Now](https://www.adafruit.com/product/4979) [Related Guides to the Product](https://learn.adafruit.com/products/4979/guides) ![Angled video of FeatherWing PCB installed on breadboard with key caps and switches. A finger reaches down to press the keys which light up rainbow colors.](https://cdn-shop.adafruit.com/product-videos/640x480/4979-10.jpg) ### Kailh Mechanical Key Switches - 10 packs - Cherry MX Compatible [Kailh Mechanical Key Switches - 10 packs - Cherry MX Compatible](https://www.adafruit.com/product/4996) For crafting your very own custom keyboard, these ** Kailh mechanical key switches**  are deeee-luxe! Come in a pack of 10 switches, plenty to make a small keyboard, or grab a few packs to build a full keyboard. - Use these with our  Out of Stock [Buy Now](https://www.adafruit.com/product/4996) [Related Guides to the Product](https://learn.adafruit.com/products/4996/guides) ![Top down view of four piles of Kailh key switches in Red, Black, Brown, and Black variations.](https://cdn-shop.adafruit.com/640x480/4996-00.jpg) ### Translucent Keycaps for MX Compatible Switches - 10 pack [Translucent Keycaps for MX Compatible Switches - 10 pack](https://www.adafruit.com/product/4956) Get ready to clacky to your heart's content. Here is a 10 pack of translucent keycaps for your next mechanical keyboard or [NeoKey](https://www.adafruit.com/?q=neokey&sort=BestMatch) project. Snap 'em onto a  **Cherry MX or compatible...** In Stock [Buy Now](https://www.adafruit.com/product/4956) [Related Guides to the Product](https://learn.adafruit.com/products/4956/guides) ![Angled shot of 10 translucent key caps.](https://cdn-shop.adafruit.com/640x480/4956-00.jpg) ## Feather You can use pretty much any CircuitPython-capable Feather for this project. Warning: ### Adafruit Feather nRF52840 Express [Adafruit Feather nRF52840 Express](https://www.adafruit.com/product/4062) The **Adafruit Feather nRF52840 Express** is the new Feather family member with Bluetooth® Low Energy and _native USB support_ featuring the nRF52840!  It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB... Out of Stock [Buy Now](https://www.adafruit.com/product/4062) [Related Guides to the Product](https://learn.adafruit.com/products/4062/guides) ![Angled shot of a Adafruit Feather nRF52840 Express. ](https://cdn-shop.adafruit.com/640x480/4062-02.jpg) Danger: ### Adafruit Feather M4 Express - Featuring ATSAMD51 [Adafruit Feather M4 Express - Featuring ATSAMD51](https://www.adafruit.com/product/3857) It's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This Feather is fast like a swift, smart like an owl, strong like a ox-bird (it's half ox, half bird, OK?) This feather is powered by our new favorite chip, the **ATSAMD51J19** -  with... Out of Stock [Buy Now](https://www.adafruit.com/product/3857) [Related Guides to the Product](https://learn.adafruit.com/products/3857/guides) ![Angled shot of a Adafruit Feather M4 Express. ](https://cdn-shop.adafruit.com/640x480/3857-10.jpg) ### Adafruit Feather M0 Express [Adafruit Feather M0 Express](https://www.adafruit.com/product/3403) At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0+ processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new [Arduino Zero](https://www.adafruit.com/products/2843). This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and... Out of Stock [Buy Now](https://www.adafruit.com/product/3403) [Related Guides to the Product](https://learn.adafruit.com/products/3403/guides) ![Angled shot of rectangular microcontroller.](https://cdn-shop.adafruit.com/640x480/3403-04.jpg) ### Adafruit Feather RP2040 [Adafruit Feather RP2040](https://www.adafruit.com/product/4884) A new chip means a new Feather, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought "this chip is going to be awesome when we give it the Feather Treatment" and so we did! This Feather features the  **RP2040** , and all niceties you know and... In Stock [Buy Now](https://www.adafruit.com/product/4884) [Related Guides to the Product](https://learn.adafruit.com/products/4884/guides) ![Angled shot of black rectangular microcontroller "Feather RP2040"](https://cdn-shop.adafruit.com/640x480/4884-04.jpg) ### Header Kit for Feather - 12-pin and 16-pin Female Header Set [Header Kit for Feather - 12-pin and 16-pin Female Header Set](https://www.adafruit.com/product/2886) These two  **Female Headers**  alone are, well, lonely. But pair them with any of our [Feather](https://www.adafruit.com/categories/777) boards and you're in business! What do they do? They get soldered on either side of the Feather... In Stock [Buy Now](https://www.adafruit.com/product/2886) [Related Guides to the Product](https://learn.adafruit.com/products/2886/guides) ![Angled shot of a Header Kit for Feather - 12-pin and 16-pin Female Header Set. ](https://cdn-shop.adafruit.com/640x480/2886-00.jpg) ### Pink and Purple Woven USB A to USB C Cable - 2 meters long [Pink and Purple Woven USB A to USB C Cable - 2 meters long](https://www.adafruit.com/product/5044) This cable is not only super-fashionable, with a woven pink and purple Blinka-like pattern, it's also made for USB C for our modernized breakout boards, Feathers and more.  [If you want something just like it but for Micro B, we have a B...](https://www.adafruit.com/product/4111) Out of Stock [Buy Now](https://www.adafruit.com/product/5044) [Related Guides to the Product](https://learn.adafruit.com/products/5044/guides) ![Angled shot of a pink/purple woven USB cable plugged into a laptop port and a small dev board.](https://cdn-shop.adafruit.com/640x480/5044-04.jpg) ### Little Rubber Bumper Feet - Pack of 4 [Little Rubber Bumper Feet - Pack of 4](https://www.adafruit.com/product/550) Keep your electronics from going barefoot, give them little rubber feet! These small sticky bumpers are our favorite accessory for any electronic kit or device. They are sticky, but not impossible to remove. They're small enough to fit onto any board, and have just enough height to give... In Stock [Buy Now](https://www.adafruit.com/product/550) [Related Guides to the Product](https://learn.adafruit.com/products/550/guides) ![Angled Shot of the Little Rubber Bumper Feet - Pack of 4](https://cdn-shop.adafruit.com/640x480/550-06.jpg) # Deco Two-Key Feather Macro Pad ## CircuitPython for Feather nRF52840 [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. The following instructions will show you how to install CircuitPython. If you've already installed CircuitPython but are looking to update it or reinstall it, the same steps work for that as well! ## Set up CircuitPython Quick Start! Follow this quick step-by-step for super-fast Python power :) [Download the latest version of CircuitPython for this board via CircuitPython.org](https://circuitpython.org/board/feather_nrf52840_express/) **Click the link above to download the latest UF2 file.**   Download and save it to your desktop (or wherever is handy). ![circuitpython_nRF52840_UF2.png](https://cdn-learn.adafruit.com/assets/assets/000/070/318/medium640/circuitpython_nRF52840_UF2.png?1548963877) Plug your Feather nRF52840 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.** Double-click the **Reset** button next to the USB connector on your board, and you will see the NeoPixel RGB LED turn green (identified by the arrow in the image). If it turns red, check the USB cable, try another USB port, etc. **Note:** The little red LED next to the USB connector will pulse red. That's ok! If double-clicking doesn't work the first time, try again. Sometimes it can take a few tries to get the rhythm right! ![circuitpython_FeathernRF52840_Top_Product_Image.jpg](https://cdn-learn.adafruit.com/assets/assets/000/070/319/medium640/circuitpython_FeathernRF52840_Top_Product_Image.jpg?1548963972) You will see a new disk drive appear called **FTHR840BOOT**.       Drag the **adafruit\_circuitpython\_etc.uf2** file to **FTHR840BOOT****.** ![circuitpython_FTHR840BOOT.png](https://cdn-learn.adafruit.com/assets/assets/000/070/320/medium640/circuitpython_FTHR840BOOT.png?1548964488) ![circuitpython_Drag_nRF52840_UF2.png](https://cdn-learn.adafruit.com/assets/assets/000/070/321/medium640/circuitpython_Drag_nRF52840_UF2.png?1548964497) The LED will flash. Then, the  **FTHR840BOOT** drive will disappear and a new disk drive called **CIRCUITPY** will appear.   That's it, you're done! :) ![circuitpython_nRF52840_CIRCUITPY.png](https://cdn-learn.adafruit.com/assets/assets/000/070/322/medium640/circuitpython_nRF52840_CIRCUITPY.png?1548964511) # Deco Two-Key Feather Macro Pad ## Code the Deco Keypad ## 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. ## Download the Project Bundle Your project will use a specific set of CircuitPython libraries and the  **code.py**  file. In order to get the libraries you need, click on the  **Download Project Bundle**  link below, and uncompress the .zip file. Drag the contents of the uncompressed bundle directory onto your Feather board's **CIRCUITPY**  drive, replacing any existing files or directories with the same names, and adding any new ones that are necessary. https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/Deco_Keypad/code.py ## Custom Key Mapping To adjust the key mapping of the keys, look for this section of the code: ```python # ----- Keymap ----- # # change as needed, e.g. capital A (Keycode.SHIFT, Keycode.A) switch_a_output = Keycode.Z switch_b_output = Keycode.X ``` `switch_a` is the keyswitch closer to the USB port. You can use single keystrokes, or multi-key combos as shown in the comment. For more info on using USB HID keycodes, [check out this documentation](https://circuitpython.readthedocs.io/projects/hid/en/latest/api.html). ## How It Works ### Libraries The code first imports libraries to help out with a number of tasks, including `time`, `board` for pin definitions, `digitalio` and `adafruit_debouncer` to simplify key press and release detection, `usb_hid` and `adafruit_hid.keyboard`, plus `neopixel`. ```auto import time import board from digitalio import DigitalInOut, Pull from adafruit_debouncer import Debouncer import usb_hid from adafruit_hid.keyboard import Keyboard from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS from adafruit_hid.keycode import Keycode import neopixel ``` ### Keyboard Setup This section sets the keymapping, keyboard setup, and pin setup with digitalio and debouncer. ```auto switch_a_output = Keycode.Z switch_b_output = Keycode.X # ----- Keyboard setup ----- # keyboard = Keyboard(usb_hid.devices) keyboard_layout = KeyboardLayoutUS(keyboard) # We're in the US :) # ----- Key setup ----- # switch_a_in = DigitalInOut(board.D5) switch_b_in = DigitalInOut(board.D6) switch_a_in.pull = Pull.UP switch_b_in.pull = Pull.UP switch_a = Debouncer(switch_a_in) switch_b = Debouncer(switch_b_in) ``` ### NeoPixels You'll create some color definitions and set up the two on-board NeoPixels next. Once they're set up, you'll give them a little startup blink so you know when the board has been reset. ```auto # ----- NeoPixel setup ----- # MAGENTA = 0xFF00FF CYAN = 0x0088DD WHITE = 0xCCCCCC BLACK = 0x000000 pixel_pin = board.D9 pixels = neopixel.NeoPixel(pixel_pin, 2, brightness=1.0) pixels.fill(BLACK) time.sleep(0.3) pixels.fill(WHITE) time.sleep(0.3) pixels.fill(BLACK) time.sleep(0.3) pixels[0] = MAGENTA pixels[1] = CYAN ``` ### Main Loop The main code loop uses the debouncer to check both switches. When either switch is pressed, the `debouncer` notices that it `fell` (voltage goes from high to low since we're using the built-in pull up resistor on each digital pin). Then, the `keyboard.press()` command sends the keyboard output for the associated key, and sets the NeoPixel to white. When the `debouncer` registers that it `rose`, this means the key has been released, and the `keyboard.release()` command is sent for that keycode. The NeoPixel color returns to its default for that key. ```auto switch_a.update() # Debouncer checks for changes in switch state switch_b.update() if switch_a.fell: keyboard.press(switch_a_output) pixels[0] = WHITE if switch_a.rose: keyboard.release(switch_a_output) pixels[0] = MAGENTA if switch_b.fell: keyboard.press(switch_b_output) pixels[1] = WHITE if switch_b.rose: keyboard.release(switch_b_output) pixels[1] = CYAN ``` # Deco Two-Key Feather Macro Pad ## Build the Deco Keypad ## Assembly ### Feather Headers First, you'll prepare your Feather by soldering on the header sockets. [This guide has details](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather/assembly#soldering-on-female-header-2295752-12) on soldering Feather headers. ![gaming_deco-key-1652.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/734/medium640/gaming_deco-key-1652.jpg?1623248595) ![gaming_deco-key-1653.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/735/medium640/gaming_deco-key-1653.jpg?1623248620) ### FeatherWing Pins Next, solder on the headers to the FeatherWing. [This guide section](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather/assembly#soldering-in-plain-headers-2295747-7) show how to solder plain headers. Be sure to double-check the orientation before soldering. The FeatherWing will insert into the Feather with the flat side of the 'Wing exposed on top. ![gaming_deco-key-1654.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/736/medium640/gaming_deco-key-1654.jpg?1623248682) ![gaming_deco-key-1655.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/737/medium640/gaming_deco-key-1655.jpg?1623248691) ![](https://cdn-learn.adafruit.com/assets/assets/000/102/741/medium800/gaming_deco-key-1656.jpg?1623248757) Press the 'Wing into the Feather as shown. ![gaming_deco-key-1657.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/743/medium640/gaming_deco-key-1657.jpg?1623248797) ![gaming_deco-key-1658.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/744/medium640/gaming_deco-key-1658.jpg?1623248804) ## Case and Base The case is designed to hold the keyswitches securely (just like the switch plate of a typical mechanical keyboard) while protecting the electronics and looking stylish. There are openings in the case for USB port, STEMMA QT, if you have plans for expansion over I2C, and the reset button. The base snaps onto the bottom and give you some surface area to stick on some rubber bumper feet to prevent sliding. You can print the model files linked below on a 3D printer, or have them printed through a service. [Deco Keypad 3D model files](https://www.thingiverse.com/thing:4881498) ![](https://cdn-learn.adafruit.com/assets/assets/000/102/750/medium800/gaming_deco-key-1659.jpg?1623248861) ![](https://cdn-learn.adafruit.com/assets/assets/000/102/755/medium800/gaming_deco-key-1660.jpg?1623249729) ### Fit Feather in Case Align the Feather's USB port with the larger opening on the case, then push the stacked FeatherWing/Feather through the bottom of the case. It should be a fairly snug fit. ![gaming_deco-key-1661.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/759/medium640/gaming_deco-key-1661.jpg?1623249762) ![gaming_deco-key-1662.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/760/medium640/gaming_deco-key-1662.jpg?1623249770) ### Keyswitches Insert the keyswitches from the top of the case into the FeatherWing -- be careful to align the pins of the keyswitches with the sockets of the FeatherWing to avoid bending the delicate legs. You should push the keyswitches in firmly to make a solid connection with the sockets by squeezing up on the Feather/FeatherWing and down on the keyswitches. Once the keyswitches are in place, place the case on your work surface and push down on both keyswitches to click them into the case's integrated switchplate. ![gaming_deco-key-1667.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/761/medium640/gaming_deco-key-1667.jpg?1623249867) ![gaming_deco-key-1670.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/762/medium640/gaming_deco-key-1670.jpg?1623249875) ![gaming_deco-key-1669.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/763/medium640/gaming_deco-key-1669.jpg?1623249884) ![gaming_deco-key-1674.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/764/medium640/gaming_deco-key-1674.jpg?1623249892) ### Base of Case "All that she wants is another keyswitch..." (Oh, wait, that's Ace of Base.) Fit the base onto the bottom of the case. To prevent sliding, put rubber bumper feet onto the base. ![gaming_deco-key-1679.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/765/medium640/gaming_deco-key-1679.jpg?1623250002) ![gaming_deco-key-1680.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/766/medium640/gaming_deco-key-1680.jpg?1623250046) ![](https://cdn-learn.adafruit.com/assets/assets/000/102/780/medium800/gaming_deco-key-1681.jpg?1623250066) ### Keycaps Press your keycaps onto the keyswitch stems. You can use any MX compatible keycaps you like -- both translucent and windowed keycaps work particularly well for seeing the NeoPixel under-lighting. ![gaming_deco-key-1675.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/782/medium640/gaming_deco-key-1675.jpg?1623250388) ![gaming_deco-key-1676.jpg](https://cdn-learn.adafruit.com/assets/assets/000/102/783/medium640/gaming_deco-key-1676.jpg?1623250398) ![](https://cdn-learn.adafruit.com/assets/assets/000/102/784/medium800/gaming_deco-key-1685.jpg?1623250514) Now, you're ready to play some [Osu!](https://osu.ppy.sh/home) or other one or two-button rhythm game! Or, you can use the Deco Keypad for an keyboard shortcut, such as copy/paste, volume -/+, and more. ![](https://cdn-learn.adafruit.com/assets/assets/000/102/787/medium800thumb/gaming_deco.jpg?1623253232) https://www.youtube.com/watch?v=6FbnCo_qe4w ## Featured Products ### NeoKey FeatherWing - Two Mechanical Key Switches with NeoPixels [NeoKey FeatherWing - Two Mechanical Key Switches with NeoPixels](https://www.adafruit.com/product/4979) The only thing better than a nice mechanical key, is two of them, and ones that also can glow any color of the rainbow - and that's what the **Adafruit NeoKey FeatherWing** will let you do! This Wing plugs into any/all Feather main boards and can fit two **Cherry MX or...** In Stock [Buy Now](https://www.adafruit.com/product/4979) [Related Guides to the Product](https://learn.adafruit.com/products/4979/guides) ### Adafruit Feather nRF52840 Express [Adafruit Feather nRF52840 Express](https://www.adafruit.com/product/4062) The **Adafruit Feather nRF52840 Express** is the new Feather family member with Bluetooth® Low Energy and _native USB support_ featuring the nRF52840!  It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB... Out of Stock [Buy Now](https://www.adafruit.com/product/4062) [Related Guides to the Product](https://learn.adafruit.com/products/4062/guides) ### Adafruit Feather M4 Express - Featuring ATSAMD51 [Adafruit Feather M4 Express - Featuring ATSAMD51](https://www.adafruit.com/product/3857) It's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This Feather is fast like a swift, smart like an owl, strong like a ox-bird (it's half ox, half bird, OK?) This feather is powered by our new favorite chip, the **ATSAMD51J19** -  with... Out of Stock [Buy Now](https://www.adafruit.com/product/3857) [Related Guides to the Product](https://learn.adafruit.com/products/3857/guides) ### Adafruit Feather M0 Express [Adafruit Feather M0 Express](https://www.adafruit.com/product/3403) At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0+ processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new [Arduino Zero](https://www.adafruit.com/products/2843). This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and... Out of Stock [Buy Now](https://www.adafruit.com/product/3403) [Related Guides to the Product](https://learn.adafruit.com/products/3403/guides) ### Adafruit Feather RP2040 [Adafruit Feather RP2040](https://www.adafruit.com/product/4884) A new chip means a new Feather, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought "this chip is going to be awesome when we give it the Feather Treatment" and so we did! This Feather features the  **RP2040** , and all niceties you know and... In Stock [Buy Now](https://www.adafruit.com/product/4884) [Related Guides to the Product](https://learn.adafruit.com/products/4884/guides) ### Header Kit for Feather - 12-pin and 16-pin Female Header Set [Header Kit for Feather - 12-pin and 16-pin Female Header Set](https://www.adafruit.com/product/2886) These two  **Female Headers**  alone are, well, lonely. But pair them with any of our [Feather](https://www.adafruit.com/categories/777) boards and you're in business! What do they do? They get soldered on either side of the Feather... In Stock [Buy Now](https://www.adafruit.com/product/2886) [Related Guides to the Product](https://learn.adafruit.com/products/2886/guides) ### Pink and Purple Woven USB A to USB C Cable - 2 meters long [Pink and Purple Woven USB A to USB C Cable - 2 meters long](https://www.adafruit.com/product/5044) This cable is not only super-fashionable, with a woven pink and purple Blinka-like pattern, it's also made for USB C for our modernized breakout boards, Feathers and more.  [If you want something just like it but for Micro B, we have a B...](https://www.adafruit.com/product/4111) Out of Stock [Buy Now](https://www.adafruit.com/product/5044) [Related Guides to the Product](https://learn.adafruit.com/products/5044/guides) ### Kailh Mechanical Key Switches - Clicky White - 10 pack [Kailh Mechanical Key Switches - Clicky White - 10 pack](https://www.adafruit.com/product/4955) For crafting your very own custom keyboard, these ** Kailh White Linear mechanical key switches**  are deeee-luxe! With smooth actuation and Cherry MX compatibility, they're lovely when you want a **clicky tactile** keystroke with a snappy feel and an... In Stock [Buy Now](https://www.adafruit.com/product/4955) [Related Guides to the Product](https://learn.adafruit.com/products/4955/guides) ## Related Guides - [Adafruit Feather M0 Express](https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-circuitpython.md) - [Adafruit Feather M4 Express](https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51.md) - [Introducing the Adafruit nRF52840 Feather](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather.md) - [Introducing Adafruit Feather RP2040](https://learn.adafruit.com/adafruit-feather-rp2040-pico.md) - [DeviceScript, TypeScript for Microcontrollers](https://learn.adafruit.com/devicescript.md) - [Using MPL3115A2 with CircuitPython](https://learn.adafruit.com/using-mpl3115a2-with-circuitpython.md) - [Bluetooth Restroom Key Proximity Tracker](https://learn.adafruit.com/bluetooth-restroom-key-proximity-tracker.md) - [Quickstart - Raspberry Pi RP2040 with BLE and CircuitPython](https://learn.adafruit.com/quickstart-raspberry-pi-rp2040-with-ble-and-circuitpython.md) - [Multi-tasking with CircuitPython](https://learn.adafruit.com/multi-tasking-with-circuitpython.md) - [NeoPixel Bike Light](https://learn.adafruit.com/neopixel-headlight.md) - [Feather Waveform Generator in CircuitPython](https://learn.adafruit.com/waveform-generator.md) - [Debugging the SAMD21 with GDB](https://learn.adafruit.com/debugging-the-samd21-with-gdb.md) - [An Introduction to RP2040 PIO with CircuitPython](https://learn.adafruit.com/intro-to-rp2040-pio-with-circuitpython.md) - [Blahaj Alarm and Lamp](https://learn.adafruit.com/blahaj-alarm.md) - [All the Internet of Things - Episode Three: Services](https://learn.adafruit.com/all-the-internet-of-things-episode-three-services.md) - [NeoTrellis Sound Board](https://learn.adafruit.com/neotrellis-soundboard.md) - [CircuitPython with Jupyter Notebooks](https://learn.adafruit.com/circuitpython-with-jupyter-notebooks.md) - [Spinning Disc Step Sequencer](https://learn.adafruit.com/spinning-disc-step-sequencer.md) - [Program RP2040 in Arduino](https://learn.adafruit.com/rp2040-arduino-with-the-earlephilhower-core.md)