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LED Matrix Hourglass
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It can measure 1, 3, or 5 minutes.Timer setting is adjusted by shaking the unit strongly up and…
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Model information
- Source
- Printables
- Category
- Outdoor Toys
- License
- Creative Commons — Attribution — Noncommercial
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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- Flat head screw (M3, 5mm) https://s.click.aliexpress.com/e/_ook0axY https://s.click.aliexpress.com/e/_oDSyjZg
- Flat head tapping screw (M2.2, 10mm) https://s.click.aliexpress.com/e/_okmNePY
- Insert nuts (M3, OD 5mm, L 4mm) https://s.click.aliexpress.com/e/_oDWB7eE
Category: Toys & Games