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 Multimeter Digital VICTOR VC921 is a practical choice for checking voltage, continuity, signals, and basic electronics faults. The Victor VC921 is well rated and cost-effective pocket digital multimeter.
This product suits students, makers, repair work, and day-to-day bench tasks where a dependable test and measurement tool helps speed things up. Key details include size 117mm and weight 108g.
Use it for quick diagnostics, power checks, continuity tests, bench troubleshooting, repair work, and student projects where you need clearer answers than guesswork can provide.
A practical starter setup pairs this item with Multimeter Entry Level VICTOR VC830L and Test Alligator Clip Red & Black. That gives you a more complete bench-ready combination for common repair, soldering, or assembly work.
Popular add-ons for this kind of product include Multimeter Entry Level VICTOR VC830L, Test Alligator Clip Red & Black, and Toolkit 115 in 1 Multi Screw Set with Precision Screwdriver for Computer PC Mobile Phone Device Repair. These can help round out your setup and make day-to-day bench tasks easier.
| Product | Best for | Quick notes |
|---|---|---|
| Multimeter Digital VICTOR VC921 | everyday electrical checks | Size: 117mm; Weight: 108g |
| Multimeter Entry Level VICTOR VC830L | everyday electrical checks | Size: 140mm x 72mm x 30mm (L x W x H) ; DC Voltage: 200mV/2V/200V/600 |
| DT830B DT832 Multimeter | everyday electrical checks | Color: Black; Size: 126*70mm |
| Product | Multimeter Digital VICTOR VC921 |
|---|---|
| Brand | Circuitrocks |
| Category | Test and measurement tool |
| Size | 117mm |
| Weight | 108g |
Before use, confirm the function you need and connect leads or accessories correctly. On powered circuits, safe probing habits and the right range selection matter.
Test leads Batteries (x2 AAA) Instructions (VC921 manual)
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 →