TM1637 LED Display
A very popular, low-cost 4-digit 7-segment module for clocks, counters, and other number displays.
TM1637 LED Display
Key Features
- Lab: TM1637 MicroPython Clock Program - Code Walkthrough
- Lab: Manually Setting the Time
- Lab: Full Running Clock Using the TM1637
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.
- Classroom friendly. Built on a solderless breadboard or no-solder connectors.
- Try before you build. An interactive MicroSim on the kit page runs in the browser.
- 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.
Parts
| Part (price) | Role |
| Raspberry Pi Pico ($4) | Microcontroller |
| DS3231 RTC | Real-time clock |
| 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