1.2" Smartwatch Kit

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

Key part: round display (store listing)

Key part: round display (store listing) (kit photo still needed)

Key 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

Key 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

Part (price)Role
Raspberry Pi Pico ($4)Microcontroller
GC9A01 Round TFT ($3.19)Display
GC9B72 Smartwatch Display ($5.39)Display
Momentary Push ButtonsInput button / switch
SSD1306 128×64 OLEDDisplay
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 Robot Faces collection.
Source: Robot Faces