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.
read tutorial →The Mini Metal Speaker (8Ω, 0.5W) is a tiny 1" diameter speaker with pre-soldered wires, ready to connect to any small amplifier or audio breakout. Perfect for notification sounds, voice playback, and tiny audio projects.
| Speaker | Size | Power | Impedance | Best for |
|---|---|---|---|---|
| Mini Metal (this) | 1" (25mm) | 0.5W | 8Ω | Notification tones, tiny projects |
| 50mm Speaker | 2" (50mm) | 1W | 8Ω | Small portable projects |
| 1.5" Speaker | 1.5" (40mm) | 3W | 4Ω | Louder portable audio |
| 20W Speaker | 4" (100mm) | 20W | 4Ω | Music, loud audio |
| Diameter | ~25 mm (1") |
|---|---|
| Power | 0.5W |
| Impedance | 8Ω |
| Wires | Pre-attached |
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.
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
read tutorial →Wire a joystick to your Arduino, read X/Y, then print UP / DOWN / LEFT / RIGHT to the serial monitor.
read tutorial →Bench-test a 43 A motor driver before wiring the full project. Catches weak power, mis-pinning, and dead boards before they cost you time.
read tutorial →Coming from UNO and the Pico won't show a COM port? Here's the BOOTSEL trick, the driver fix, and the first sketch that actually works.
read tutorial →Share what you built. Photos, BOM, what worked, what didn't.
view thread →Symptom + what you tried + clear photo = answers within hours.
view thread →Brownout reset when adding a sensor? Notes on supply decoupling and GPIO checks.
view thread →Upload failing on your first Uno? Driver, COM port, board match — checklist inside.
view thread →