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 Solenoid Water Valve DC 12V 1/4" PE Pipe is a practical solenoid valve from Circuitrocks for students, makers, and repair-friendly builds. It fits well in projects that need fluid control, while keeping setup straightforward for testing and prototype work.
Compared with generic parts, this product stands out through details such as 12V. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.
This product is a good fit for water control, timed dispensing, irrigation, and fluid shutoff projects. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.
Plan for a matching power supply, a proper driver stage where needed, and a controller if you want timed, remote, or sensor-based operation.
Useful add-ons include tubing, fittings, a relay or driver stage, and a matched fluid source. You can also compare it with Solenoid Water Valve Plastic Normally Closed, Solenoid Water Valve Plastic Normally Open.
| Compared Product | Best For | Key Difference | Direct Link |
|---|---|---|---|
| Solenoid Water Valve Plastic Normally Closed | fluid control | normally closed | View product |
| Solenoid Water Valve Plastic Normally Open | fluid control | normally open | View product |
| Solenoid Brass Liquid Valve 12V 1 / 2 NPS | fluid control | 12V | View product |
| Product | Solenoid Water Valve DC 12V 1/4" PE Pipe |
|---|---|
| Brand | Circuitrocks |
| Product Type | Solenoid Valve |
| Primary SKU | ATS02012P |
| Key Specs | 12V, 12VDC |
| Product URL | https://circuit.rocks/products/solenoid-water-valve-dc-12v-1-4-pe-pipe |
Match the coil voltage and use a proper driver or relay for switching. Fluid direction, tubing size, and pressure range matter just as much as voltage.
1 × Solenoid Water Valve DC 12V 1/4" PE Pipe
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 →