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TM1650 LED Clock

Kit photo needed

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

Key part: TM1650 4-digit display (store listing)

Key part: TM1650 4-digit display (store listing)

A four-digit seven-segment clock driven by the TM1650 LED driver chip.

Source book: Clocks and Watches
Kit page: https://dmccreary.github.io/clocks-and-watches/kits/tm1650-led-clock/
Printable one-pager: tm1650-led-clock-one-pager.html

Features

  • Uses the TM1650 4-Digit LED

Benefits

  • Free, open lessons: the Clocks and Watches textbook has the kit page, wiring, and MicroPython code.
  • Instant feedback: students see their code's results on lights or a display.
  • Budget: about $16 (display about $7 on eBay; Pico $4, breadboard $2, wires $1, USB cable $2).

Parts

  • TM1650 4-Digit LED — Display
  • 830-Point Breadboard ($1.10) — Breadboard
  • Micro-USB Data Cable ($2.50) — Power and programming cable