Skip to content

title: "1.2" Smartwatch Kit" description: "The OLED faces labs ported to a 240x240 round color GC9A01 display, the same panel used in cheap smartwatches." image: kits/smartwatch/smartwatch.jpg

1.2" Smartwatch Kit

Kit photo needed

We don't have a photo of the assembled kit yet. The image below shows a key part.

Key part: round display (store listing)

Key part: round display (store listing)

The OLED faces labs ported to a 240x240 round color GC9A01 display, the same panel used in cheap smartwatches.

Source book: Robot Faces
Kit page: https://dmccreary.github.io/robot-faces/kits/smartwatch/
Printable one-pager: smartwatch-one-pager.html

Features

  • Uses the GC9A01 Round TFT
  • Uses the GC9B72 Smartwatch Display
  • Uses the Momentary Push Buttons
  • Uses the Raspberry Pi Pico RP2040
  • Uses the SSD1306 128×64 OLED

Benefits

  • Free, open lessons: the Robot Faces textbook has the kit page, wiring, and MicroPython code.
  • Classroom friendly: built on a solderless breadboard or no-solder connectors.
  • Instant feedback: students see their code's results on lights or a display.
  • Budget: under $10 (display and Pico together).

Parts

  • Raspberry Pi Pico ($4) — Microcontroller
  • GC9A01 Round TFT ($3.19) — Display
  • GC9B72 Smartwatch Display ($5.39) — Display
  • Momentary Push Buttons — Input button / switch
  • SSD1306 128×64 OLED — Display
  • 830-Point Breadboard ($1.10) — Breadboard
  • Micro-USB Data Cable ($2.50) — Power and programming cable