Thingiverse

LED Matrix Hourglass

von pirotsuku

3 Downloads

5 Likes

0 Makes

It can measure 1, 3, or 5 minutes.
Timer setting is adjusted by shaking the unit strongly up and down.
https://youtube.com/shorts/Y2xyOn6WtJ8

The device operates on dry cell batteries, ensuring safety and simplicity for children during assembly.
Once the pin headers are soldered, the circuit is completed simply by connecting Dupont wires.

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* Arduino Nano (No Welding Type-C)
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* GY-291
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* BTE23-31 (Favorite color)
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* Push switch (8.5x8.5mm, Locking)
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* AAA Battery holder (4-AAA)
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* DuPont Line (F-F, 10cm)
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* DuPont Line (F-F, 20cm)
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* Flat head screw (M3, 5mm)
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