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 Ruler PCB 15cm is a practical choice for checking part sizes, depth, spacing, and small mechanical dimensions. Planning an electronic project is so fun until your parts do not fit on your target PCB size.
This product suits students, makers, repair work, and day-to-day bench tasks where a dependable measuring tool helps speed things up. Key details include ruler length 15CM, ruler weight 10g, and material Immersion gold PCB.
It helps with enclosure checks, part fitting, shaft and hole measurement, design verification, and small fabrication or repair work.
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 |
|---|---|---|
| Ruler PCB 15cm | quick ruler-style checks | Ruler length: 15CM; Ruler weight: 10g |
| Digital Caliper 150mm IP54 | multi-point size checks | Measurement Range: 0-150mm; Accuracy: 0.02mm |
| Digital Micrometer 25MM Shahe | very fine outside measurements | Size: 25MM |
| Product | Ruler PCB 15cm |
|---|---|
| Brand | Circuitrocks |
| Category | Measuring tool |
| Ruler length | 15CM |
| Ruler weight | 10g |
| Material | Immersion gold PCB |
Use the product within its intended size and task range for better results. A well-matched tool usually feels easier to control and helps make bench work more consistent.
Ruler PCB 15cm
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 →