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Puck.js v2

Puck.js v2

Pimoroni

£30

Price read from Pimoroni on 2026-10-22. Check before buying.

The ground-breaking bluetooth beacon - An Open Source JavaScript microcontroller you can program and debug wirelessly. Puck.js is an intelligent Bluetooth button. With the Espruino JavaScript interpreter on its internal ARM microcontroller, software can be uploaded, debugged and modified wirelessly from any modern computer or phone, making development of embedded devices significantly easier. It has built-in sensors, lights, infrared transmitter, GPIO, and can even control other Bluetooth LE devices. This is version 2 of the popular Puck.js - with added accelerometer, gyro, FET, calibrated tem

Pimoroni's own words, read from their page.

Buy from PimoroniOut of stock. Price seen 2026-10-22. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.