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 →Enhance your mechanical projects with the Gear Bevel 1M 20T 8MM S45C, a high-quality bevel gear designed for precision and durability. With a module of 1 mold and 20 precisely cut teeth, this gear ensures smooth and efficient power transmission, making it ideal for a wide range of applications, from industrial machinery to robotics.
Crafted with an 8mm inner hole and an outer diameter of 21.6mm, this gear is designed to fit seamlessly into your existing setups. The step outside diameter of 16mm and tooth length of 7mm provide optimal engagement with other gears, ensuring reliable performance in even the most demanding environments. Whether you're working on a new build or upgrading existing machinery, this bevel gear delivers consistent and dependable results.
Made from durable S45C steel, this gear is built to withstand heavy loads and continuous use. Its total length of 17.5mm adds to its robust design, ensuring it can handle the rigors of daily operation. Choose the Gear Bevel 1M 20T 8MM S45C for your next project and experience the perfect combination of strength, precision, and reliability.
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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.
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