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 →Raspberry Pi 4/5 1.2m 27W 5V 5A USB-C Interface Power Adapter from Circuitrocks is ideal for DIY electronics builds.
Great for Arduino, ESP32, Raspberry Pi, and robotics or school projects here in the Philippines.
27W USB-C GaN Power Adapter for Raspberry Pi 4 & 5 – 5V 5A
This high-quality 27W USB-C GaN power adapter delivers a stable 5V 5A output, making it ideal for powering both Raspberry Pi 4 and Raspberry Pi 5.
For Raspberry Pi 5, it supports the new 5V/5A Power Delivery profile, unlocking the Pi 5’s maximum USB peripheral current of up to 1.6 A—perfect for external SSDs, hard drives, and other high-draw devices without triggering undervoltage warnings.
For Raspberry Pi 4, it automatically adjusts to 5V/3A, ensuring safe and reliable operation while offering extra headroom for stable performance.
Specifications:
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 →