Skip to content
SHOP LEARN BLOG FORUM
login cart[0]
Free shipping above ₱2,000 · Manila same-day cutoff 4PM · School / class POs welcome →
circuitrocks
  • Arduino
    • All Arduino
    • UNO R3 / R4
    • Mega 2560
    • MKR / Nano
    • Shields
    • Starter kits
  • Raspberry Pi
    • All Raspberry Pi
    • Pi 5
    • Pi 4
    • Pi Zero 2 W
    • Pico (RP2040)
    • HATs
    • Cases & cooling
  • ESP32
    • All ESP32
    • ESP32-S3
    • ESP32-C3
    • DevKits
    • Wroom modules
    • Cameras
  • Sensors
    • All sensors
    • Temp & humidity
    • IMU & motion
    • Distance
    • Light & color
    • Air & gas
  • Breakouts
  • Displays
  • LED Strips
  • Audio
  • Motors & Drivers
  • Power
  • Batteries
  • Cables
  • Tools
  • Kits
    • All kits
    • Beginner
    • STEM
    • Project
    • Classroom
  • 3D Printing
  • Drones
  • On Sale
    • All sale items
    • Flash deals
    • Clearance
    • Bundle savings
    • Last chance
  • Brands
    • Adafruit
    • DFRobot
    • Pimoroni
    • Seeed Studio
    • SparkFun
    • Elegoo
    • Keyestudio
    • Pololu
    • Waveshare
    • All brands
Log in Cart

Item added to your cart

View cart
shop / search

search results540 matches

// query: ph probe arduino clear
pH Meter Sensor Analog Kit (Arduino Compatible) - circuitrocks 7 stock
SKU: SEN0161

DFRobot pH Meter Sensor Analog Kit - SEN0161

₱ 3,098.00
Atlas Scientific Industrial pH Probe w/ Temp (ENV-50-pH) 1 left
SKU: ENV-50-pH

Atlas Scientific Industrial pH Probe with Temperature Sensor

₱ 28,919.10
DFRobot pH Meter Pro Analog Sensor - SEN0169 - circuit.rocks 5 left
SKU: SEN0169

DFRobot pH Meter Pro Analog Sensor - SEN0169

₱ 5,975.00
pH Sensor Meter Analog Kit V2 Gravity for Arduino - DFRobot SEN0161-V2 image 1 2 left
SKU: SEN0161-V2

DFRobot Gravity Analog pH Sensor Kit V2 for Arduino

₱ 4,148.00
Atlas Scientific Surveyor Analog pH Meter (SRV-pH) 1 left
SKU: SRV-pH

Atlas Scientific Surveyor Analog pH Sensor/Meter Board

₱ 2,258.48
3 In 1 Soil Instrument Gardening Soil Tester Hygrometer Measuring Ph Mete - photo 6 2 left
SKU: 2080

3-in-1 Soil Tester - pH/Moisture/Light Gardening Tool

₱ 145.00
DFRobot pH Sensor Spear-Tip Analog Kit - SEN0249 1 left
SKU: SEN0249

DFRobot pH Sensor Spear-Tip Analog Kit - SEN0249

₱ 8,899.00
Atlas Scientific Lab Grade pH Probe - BNC, Replaceable Reference 1 left
SKU: ENV-40-pH

Atlas Scientific Lab Grade pH Probe - BNC, Replaceable Reference

₱ 5,985.00
Electrical Conductivity K10 Sensor Kit for Arduino - circuitrocks 2 left
SKU: DFR0300-H

DFRobot Electrical Conductivity K10 Sensor Kit - DFR0300-H

₱ 8,390.00
Atlas Scientific EZO Complete Conductivity Kit (KIT-105E) 1 left
SKU: KIT-105E

Atlas Scientific EZO Complete Conductivity Kit - Digital EC Sensor

₱ 23,496.60
Electrical Conductivity K1 Sensor Kit for Arduino - DFRobot DFR0300 image 1 1 left
SKU: DFR0300

DFRobot Gravity Analog Electrical Conductivity Sensor K=1

₱ 7,340.00
Atlas Scientific Surveyor Analog ORP Meter (SRV-ORP) 1 left
SKU: SRV-ORP

Atlas Scientific Surveyor Analog ORP Sensor/Meter Board

₱ 2,258.48
DHT11 Digital Temperature/Humidity Sensor Module 10 stock
SKU: AB118

DHT11 Digital Temperature/Humidity Sensor Module

₱ 89.00
Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor - STEMMA QT / Qwiic 1 left
SKU: 6478

Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor - STEMMA QT / Qwiic

₱ 3,273.00
Arduino-Compatible UNO R3 Clone - CH340 USB, ATmega328P - circuit.rocks 27 stock
SKU: 2507

Arduino-Compatible UNO R3 Clone - CH340 USB, ATmega328P

₱ 255.00
Gas Carbon Dioxide CO2 Analog Sensor Gravity - DFRobot SEN0159 image 1 9 stock
SKU: SEN0159

DFRobot Gravity MG811 Analog CO2 Gas Sensor

₱ 5,135.00
pH 4.00 Calibration Solution Liquid - Probe Calibration 5 left
SKU: CHEM-pH-4

pH 4.00 Calibration Solution Liquid - Probe Calibration

₱ 780.00
Adafruit BME680 Temperature/Humidity/Pressure/Gas Sensor - STEMMA QT 1 left
SKU: 3660

Adafruit BME680 Temperature/Humidity/Pressure/Gas Sensor - STEMMA QT

₱ 1,598.00
Adafruit Sensirion SHT31-D Temp+Humidity Breakout - 2857 1 left
SKU: 2857

Adafruit Sensirion SHT31-D Temp+Humidity Breakout - 2857

₱ 1,329.00
DFRobot Dissolved Oxygen Analog Meter Kit - SEN0237-A 1 left
SKU: SEN0237-A

DFRobot Dissolved Oxygen Analog Meter Kit - SEN0237-A

₱ 17,745.00
Temperature & Humidity MTH02 Digital Sensor - circuitrocks 13 stock
SKU: SEM02001S

Temperature & Humidity MTH02 Digital Sensor

₱ 199.00
Starter Kit for Arduino Upgraded RFID and Stepper Driver - circuitrocks 13 stock
SKU: Y0060

UNO R3 RFID Learning Advanced Version Starter Kit

₱ 1,580.00
Atlas Scientific EZO-O2 Oxygen Sensor SS Body (EZO-o2-S) 1 left
SKU: EZO-o2-S

Atlas Scientific EZO-O2 Embedded Oxygen Sensor - Stainless Steel

₱ 11,522.05
Atlas Scientific pH 4.00 Calibration 25-Pack (ASPH4P-25) 1 left
SKU: ASPH4P-25

Atlas Scientific pH 4.00 Calibration Solution - 25 Pouches

₱ 2,348.85
showing 1–24 of 540
123…23next ›

circuit.rocks

Sensors, dev boards, and kits for Filipino makers since 2015. Manila / ships same-day weekdays.

about meet chip github live

shop

  • tools
  • categories
  • kits
  • sale

help

  • how to order
  • shipping
  • returns
  • contact

learn

  • tutorials
  • blog
  • forum
  • discord

also on

  • shopee
  • lazada
  • tiktok
// © 2026 circuitrocks. all rights reserved.
  • Choosing a selection results in a full page refresh.
  • Opens in a new window.
chat