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 →This USB Type A to Type C cable will help you with the transition to USB C, even if you're still totin' around a USB Type-A hub, computer, or laptop.
USB C is the latest industry-standard connector for transmitting data and power. Like Lightning and MagSafe cables, USB C has no up or down orientation. And who among us has inserted USB correctly the first time? Works great with any computer that has a classic USB type A (rectangular) port, and will let you attach to any devices with a new-fangled type C connector (rounded rectangle).
These cables don't magically give you USB C speeds if you are using a USB 2.x port, and they won't give you the power negotiation stuff because your computer doesn't have that built-in. The cable has built-in resistors to force it to 5V power, so it's strictly for devices that use 5V and up to ~2A.
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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 →