Little Bird
Pico Wireless Pack
Add 2.4 GHz Wi-Fi connectivity and local storage to your Raspberry Pi Pico with this compact add-on pack. The Pico Wireless Pack attaches to the back of your...
Add 2.4 GHz Wi-Fi connectivity and local storage to your Raspberry Pi Pico with this compact add-on pack. The Pico Wireless Pack attaches to the back of your Pico using pre-soldered female headers — no soldering required (as long as your Pico has header pins attached).
Powered by an ESP32-WROOM-32E module connected via SPI, this pack lets your Pico connect to wireless networks and transfer data. It also includes a microSD card slot for local data storage, an RGB LED for status indication, and a tactile button.
Key Features
- ESP32-WROOM-32E – 2.4 GHz Wi-Fi connectivity via SPI
- MicroSD Card Slot – Store data locally
- RGB LED – Visual status indicator
- Tactile Button – Useful for enabling/disabling Wi-Fi or triggering actions
- Pre-Soldered Headers – Plug-and-play attachment to Pico
- Cuttable Traces – Disconnect unused functions to free up pins for other add-ons
- Dimensions – Approximately 53 × 25 × 11 mm (L × W × H, including headers)
Ideal For
- Sending sensor data to home automation systems or dashboards
- Hosting a simple web server from your Pico
- Interacting with online APIs
- Adding wireless functionality to existing Pico projects
Getting Started
Pimoroni provides C++ and MicroPython support through their Pico libraries, with a custom MicroPython UF2 that includes wireless drivers for the ESP32. For CircuitPython, you can use Adafruit's ESP32SPI and SD libraries with the following pin configuration:
spi = busio.SPI(board.GP18, board.GP19, board.GP16)
esp32_cs = DigitalInOut(board.GP7)
esp32_ready = DigitalInOut(board.GP10)
esp32_reset = DigitalInOut(board.GP11)
SD_CS = board.GP22Resources
- Pimoroni Pico Libraries (C++ and MicroPython)
Jargon buster
Plain-language definitions for the technical terms used above.
- CircuitPython
- A beginner-friendly version of Python designed to run directly on microcontroller boards. If a product supports CircuitPython, you can often program it by copying code files onto the board rather than setting up a more complex toolchain.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- Headers
- Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- MicroPython
- A version of the Python programming language made to run on microcontrollers. It matters because it lets beginners write readable code to control LEDs, sensors, motors and displays without needing to start with lower-level languages.
- microSD card
- A microSD card is a small removable memory card used to store files such as audio tracks. For this product, the card is where the sound files live, so its capacity and formatting can affect how many sounds you can use.
- RGB
- Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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