80% of 100
Radio, pi zero, speaker, phat, max98357a, python

Build your very own internet-connected radio with the Pirate Radio Kit!

This kit has everything* you'll need, including a Pi Zero W, our flash new pHAT BEAT DAC and stereo amp, a 5W speaker, and a beautifully retro acrylic enclosure to make it look the business. It'll take you around 30 minutes to assemble everything (check out our assembly guide for details).

Pirate Radio uses our new pHAT BEAT DAC and stereo amp. to drive the single speaker (left and right channels are mixed when you flip the DIP switch on the underside to mono mode). pHAT BEAT uses the same I2S mono DAC and amplifier that we use on Speaker pHAT and Picade HAT and... adds a second one for stereo goodness! The two rows of 8 APA102 RGB LEDs make the perfect VU meter, and there are 6 buttons along the edges to control your audio.

This kit takes advantage of the built-in wireless LAN and Bluetooth on the Pi Zero W, meaning that there's no longer any need for a USB Wi-Fi dongle.

We've put together three different software projects for your Pirate Radio: an internet radio, a Spotify streaming box, or an AirPlay speaker.


• Dual I2S DAC/amplifiers (MAX98357A)

• 3W per channel

• 2x push fit speaker terminals

• DIP switch to select blended mono or stereo modes

• 16 RGB LED pixels (APA102) in 2 rows of 8

• 6 edge-mounted push buttons

Software installer and ALSA VU meter plugin

• 5W 4Ω speaker with pre-soldered wires

• 3-layer blue acrylic enclosure

• Pi Zero W with single core CPU and built-in wireless LAN and Bluetooth

• Adaptor kit

• 50cm USB A to micro-B cable (power your Pi from an existing charger or computer)

Python library

• Female and male headers require soldering

**Note: This is a soldering project, although you could use one of no-solder hammer headers!

An Open Software Ecosystem

We recognize that each project has different requirements and goals. As such we have worked to provide as much flexibility to developers as possible. Our quad-core solution allows us to run numerous software solutions. From the selection of algorithms, NLP services, smart assistants, operating systems, and more, we wish to support our users. If you have suggestions on what services you would like to see us officially support let us know on our forums, or if you enjoy the work yourself, submit a merge request to our github.

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