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 Raspberry Pi 5 27W USB-C Power Supply is a must-have accessory if you're using a Raspberry Pi 5. It’s designed to give your device the power it needs, with a maximum output of 5.1V at 5A, so you can run your projects smoothly and power multiple peripherals at the same time. If you're using the USB ports on your Raspberry Pi 5 for external devices like keyboards, drives, or cameras, this power supply will automatically increase the power limit to 1.6A, ensuring those devices get the power they need without any issues.
This power supply isn’t just for the Raspberry Pi 5, though. It’s a USB-C PD (Power Delivery) power supply, which means it can also be used for other devices that support power delivery. Whether it's 3A at 9V, 2.25A at 12V, or 1.8A at 15V, it can handle a variety of voltages, making it a flexible and cost-effective solution for powering other gadgets or small projects around the house or office.
As for the details, it works with 100-240VAC input, meaning you can use it globally without any issues. The 1.2-meter cable gives you enough length for easy setup, and with a durable 18awg build, you know it will last. Whether you're buying it for your Raspberry Pi 5 or for other devices, this power supply is a solid choice that delivers reliable power.
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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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