Fingerprint Sensor AS608 - A Beginner's Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
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70:1 Metal Gearmotor 37D (Pololu)
The Pololu 70:1 Metal Gearmotor (37D, 12V) is a precision DC gearmotor in Pololu's popular 37Dmm series. Robust metal gears handle demanding robotics applications.
Technical specifications
| Gear ratio | 70:1 |
|---|---|
| Series | 37Dmm |
| Voltage | 12V |
| Gears | Metal |
| Encoder | None (add separately) |
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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Project Showcase — show what you built
Share what you built. Photos, BOM, what worked, what didn't.
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Symptom + what you tried + clear photo = answers within hours.
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Brownout reset when adding a sensor? Notes on supply decoupling and GPIO checks.
view thread →First Arduino — sketch upload error, what to try?
Upload failing on your first Uno? Driver, COM port, board match — checklist inside.
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