Knob Clock Kit
A color-screen clock with one turn-and-press knob and one button.
Knob Clock Kit
Key Features
- Set its own time. It asks the internet what time it is.
- Show the time your way. Choose big digital numbers, or a clock face
- Tell you the weather. Today's and tomorrow's forecast appear with
- Time laps and count down. It works as a stopwatch that records
- Switch with a turn of the knob. Turn the knob to step through all
Key Benefits
- Free, open lessons. The Clocks and Watches textbook has the kit page, wiring, and MicroPython code.
- Ready-made curriculum. 18 additional lab pages walk students through the build step by step.
- Classroom friendly. Built on a solderless breadboard or no-solder connectors.
- 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.
- Real-world data. Students read sensors and turn measurements into decisions.
Parts
| Part (price) | Role |
| Raspberry Pi Pico W ($5) | Microcontroller with Wireless |
| GC9B72 Smartwatch Display ($5.39) | Display |
| Momentary Push Buttons | Input button / switch |
| Piezo Buzzer / Speaker | Sound output |
| KY-040 Rotary Encoder | Input knob |
| ST7735 1.8" TFT | Display |
| ST7789 TFT | Display |
| 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: Students start by blinking a light and finish with five clock faces.
Source: Clocks and Watches
Source: Clocks and Watches