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 →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. Since it uses a new connector, you may have lots of cables and power supplies that are hanging around with micro B connectors. Instead of throwing those out, up-cycle them! Plug this adapter onto the end of a micro B cable and now it's a USB C.
Works great with any device that has a USB C port, especially the Raspberry Pi 4 so that you can continue to use our sturdy 2.5A 5V power plugs! These adapters 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. So it's strictly for devices that use 5V and up to 2.5A.
QUICK SPECS:
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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 →