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 PCB 7x9 Single Sided Perfboard Protoboard Universal is a versatile and essential tool for electronics enthusiasts and prototypers. With its single-sided copper PCB material, it provides a sturdy base for mounting and soldering components. Measuring 7x9 cm in size, this perfboard offers ample space for building custom circuits and prototypes, making it perfect for DIY electronics projects or professional prototyping.
Each hole on the perfboard is 1 mm in diameter, providing just the right size for most standard electronic components like resistors, capacitors, and ICs. The standard 2.54mm hole pitch ensures compatibility with common through-hole components and allows for easy and precise placement. The grid layout simplifies the process of connecting components, making it ideal for both beginner and advanced users who are designing circuits or creating prototypes.
The 1.6mm thickness of the board adds durability, ensuring the perfboard can withstand soldering and regular handling without warping or breaking. This universal protoboard is perfect for creating compact circuits, testing new designs, or building custom electronic systems, offering flexibility and reliability for a wide range of applications.
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 →