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Always test the switch in place and consider using it with a pull‑up resistor and software debouncing for cleaner digital signaling
5VDC (4–7V)
Inline USB A female-to-male dongle measures voltage (3
and built‑in flyback (kickback) protection—all on a single board that stacks directly on top of an Arduino
phototransistor
Sheet Metal Rose Always test the switch inSheet Metal Rose This is a durable rose sculpture handcrafted from galvanized sheet metal, designed as a lasting symbol of love that won't wilt like real flowers. It's perfect for gifting to a partner or customizing with paint in a makerspace. Product Details Material: Galvanized sheet metal for rust resistance and long term durability outdoors or indoors. Design: Realistic rose shape cut and formed from thin sheet stock, giving it a sturdy metal