Study Buddy Kit

The smartwatch-display clock kit with a speaker added and study-focused modes, with new modes and quiz decks downloaded over WiFi.

Key part: mini speakers (store listing)

Key part: mini speakers (store listing) (kit photo still needed)

Key Features

  • Lab: Architecture
  • Lab: Features
  • Lab: Pack Formats
  • Lab: Audio
  • Lab: Roadmap and Risks
  • Lab: Guide to Multicore Processing on the Study Buddy

Key Benefits

  • Free, open lessons. The Clocks and Watches textbook has the kit page, wiring, and MicroPython code.
  • Ready-made curriculum. 6 additional lab pages walk students through the build step by step.
  • Wireless-ready. The Pico W option adds Wi-Fi for time sync and web projects.
  • Instant feedback. Students see their code's results on lights or a display.
  • Budget. About $19 with a $6 AliExpress display, or about $35 with an eBay display (the 2.1" round display runs about $22 on eBay). Includes Pico W $5, breadboard $2, wires $1, USB cable $2, and a small speaker about $3.

Parts

Part (price)Role
Raspberry Pi Pico W ($5)Microcontroller with Wireless
74HC595 Shift RegisterOutput expander
GC9B72 Smartwatch Display ($5.39)Display
MAX98357A I2S Amplifier ($0.99)Audio amplifier
PCM5102 I2S DACAudio amplifier
Piezo Buzzer / SpeakerSound output
WS2812B NeoPixelsLEDs
830-Point Breadboard ($1.10)Breadboard
Micro-USB Data Cable ($2.50)Power and programming cable

Microcontroller listed first. Prices shown only where known; see the source book for quantities, wiring, and current prices.

About this kit: From the Clocks and Watches collection.
Source: Clocks and Watches