LED Display Clock
A clock using the TM1637 4-digit LED display module.
Key part: 4-digit LED display module (kit photo still needed)
Key Features
- Lab: A Simple Clock with the TM1637 LED Display
- Lab: Programming Reference for the TM1637 Clock LED Driver
- Lab: Shift Register Displays
Key Benefits
- Free, open lessons. The Clocks and Watches textbook has the kit page, wiring, and MicroPython code.
- Ready-made curriculum. 3 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. Under $10.
Parts
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| 74HC595 Shift Register | Output expander |
| Piezo Buzzer / Speaker | Sound output |
| TM1637 4-Digit LED | 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: From the Clocks and Watches collection.
Source: Clocks and Watches
Source: Clocks and Watches