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 LED 5mm 25PCS Red / Green / Yellow / Blue / White is a useful LED part for electronics, indicators, learning projects, and visual feedback in DIY builds. It is a simple way to add color, status signals, or light effects to a circuit.
Whether you are building a beginner project or stocking up on common parts, LEDs like this are a staple for prototyping and repair work. They pair well with breadboards, resistors, and maker boards.
Use it for indicator lights, learning circuits, traffic-light demos, simple displays, breadboard projects, and DIY electronics practice.
Pair it with resistors, breadboards, jumper wires, and Arduino-compatible boards for quick circuit work.
Helpful add-ons include transistors, push buttons, battery holders, and soldering tools depending on your project.
| Product | LED 5mm 25PCS Red / Green / Yellow / Blue / White |
|---|---|
| Color / light type | Red, Green, Blue, Yellow, White |
| Pack quantity | 25 pcs |
Always use the proper current-limiting resistor when wiring standard LEDs unless the module already includes the required drive circuit.
1 × LED pack or module as named in the title.
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 →