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 →
Bring Reliable PH Measurement Into Embedded Projects
The EZO™ pH Circuit is an Atlas Scientific measurement board designed to bring lab-style pH capability into embedded projects. It is a strong fit for makers, system builders, and engineers who want more accurate readings in custom monitors, controllers, and data loggers.
This product fits well in projects centered on hydroponics, water quality logging, and pH control builds. It is especially useful for builders who want a cleaner path from idea to working prototype using Atlas Scientific hardware.
Why you'll love it
- Focused on accurate pH measurement
- Fits well in custom embedded systems
- Useful for controllers, loggers, and automation builds
- Great starting point when paired with the right probe or accessory
What you can build
Use it in hydroponics and aquaponics projects, lab instruments, data loggers, environmental monitors, smart dosing systems, greenhouse builds, maintenance rigs, and other systems that depend on dependable pH hardware.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi depending on your controller plan. You can also browse the Atlas Scientific collection for matching probes, circuits, kits, and accessories.
Recommended add-ons
Helpful add-ons include calibration solutions, BNC accessories, isolators, carrier boards, enclosures, and data-logging hardware to round out a full sensing build.
Technical specifications
| Product | EZO™ pH Circuit |
|---|---|
| Brand | Atlas Scientific |
| SKU | EZO-pH |
| Product family | Measurement Circuit |
| Primary use | Ph |
| Variant in this import | Default / standard listing |
| Build role | Core measurement electronics for sensor integration |
| Typical pairing | Matching Atlas Scientific probe or accessory |
Pinout & usage notes
This product is usually installed as the measurement electronics in an Atlas Scientific setup. Check the official Atlas Scientific datasheet for the exact wiring mode, supported probe type, and setup commands before powering your system.
What’s in the box
1 × EZO™ pH Circuit
Frequently Asked Questions
Can I use this with Arduino or ESP32?
Yes, Atlas Scientific parts are commonly used in embedded projects when paired with the right supporting hardware.
Yes, Atlas Scientific parts are commonly used in embedded projects when paired with the right supporting hardware.
Is this meant for lab or field projects?
It can fit either, depending on how your final system is designed and protected.
It can fit either, depending on how your final system is designed and protected.
Do I need other Atlas parts too?
In many cases, yes. Probes, circuits, kits, isolators, and calibration items are often used together.
In many cases, yes. Probes, circuits, kits, isolators, and calibration items are often used together.
Where do I check wiring and limits?
Use the official Atlas Scientific datasheet and product page for the exact setup details.
Use the official Atlas Scientific datasheet and product page for the exact setup details.
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.
Customers also bought
sold out
SKU: chem-EC-1-0
Atlas Scientific Conductivity K 1.0 Calibration Solution Set
Build with this board
Thumb Joystick - A Beginner's Guide
Wire a joystick to your Arduino, read X/Y, then print UP / DOWN / LEFT / RIGHT to the serial monitor.
read tutorial →Motor Drive (BTS7960 43A) - A Beginner's Guide
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 →Raspberry Pi Pico (RP2040) - A Beginner's Guide
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 →Notes from the bench
Ask the community
Project Showcase — show what you built
Share what you built. Photos, BOM, what worked, what didn't.
view thread →How to ask a good question (and actually get answers)
Symptom + what you tried + clear photo = answers within hours.
view thread →ESP32 brownout when wiring a sensor — fixes that worked
Brownout reset when adding a sensor? Notes on supply decoupling and GPIO checks.
view thread →First Arduino — sketch upload error, what to try?
Upload failing on your first Uno? Driver, COM port, board match — checklist inside.
view thread →