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 120PCS Electrolytic Capacitor Kit contains 12 common values from 1µF to 470µF, giving you a ready supply of capacitors for power filtering, decoupling, timing circuits, and audio applications. Each value includes 10 pieces, so you'll always have spares on hand.
1µF, 2.2µF, 3.3µF, 4.7µF, 10µF, 22µF, 33µF, 47µF, 100µF, 150µF, 220µF, 470µF — 10 pieces each, 120 total.
| Type | Range | Polarity | Best for |
|---|---|---|---|
| Electrolytic (this kit) | 1µF – 10,000µF+ | Polarized (+ and −) | Power filtering, bulk storage, audio coupling |
| Ceramic | 1pF – 10µF | Non-polarized | High-frequency decoupling, timing, RF |
| Supercapacitor | 0.1F – 100F+ | Polarized | Energy storage, backup power, slow discharge |
| Type | Aluminum electrolytic |
|---|---|
| Values | 12 values: 1µF to 470µF |
| Total quantity | 120 pieces (10 per value) |
| Polarity | Polarized (observe + and − markings) |
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 →