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 results16 matches

// query: ammonia nh3 sensor clear
Gas Sensor MQ135 - circuitrocks 5 left
SKU: 2430

MQ-135 Air Quality Gas Sensor - Analog Module

₱ 165.00
Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 Upgrade - STEMMA QT / Qwiic - circuitrocks 1 left
SKU: 5606

Adafruit ENS160 MOX Gas Sensor - CCS811 Upgrade, STEMMA QT

₱ 1,744.00
Analog Alcohol Sensor MQ3 - circuitrocks 1 left
SKU: AB076

MQ-3 Alcohol Gas Sensor - Analog Module

₱ 98.00
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
Gas Sensor MQ-131 Ozone Module 33 stock
SKU: AM315

Gas Sensor MQ-131 Ozone Module

₱ 1,085.00
DFRobot Air Quality Monitor PM2.5+HCHO+T+H - SEN0233 1 left
SKU: SEN0233

DFRobot Air Quality Monitor PM2.5+HCHO+T+H - SEN0233

₱ 4,190.00
Atlas Scientific EZO-CO2 Research Grade Sensor (EZO-CO2) 1 left
SKU: EZO-CO2

Atlas Scientific EZO-CO2 Research Grade CO2 Sensor

₱ 22,592.85
DFRobot Gravity MQ9 CO/Combustible Gas Sensor - SEN0134 1 left
SKU: SEN0134

DFRobot Gravity MQ9 CO/Combustible Gas Sensor - SEN0134

₱ 788.00
Particulate Matter Sensor Breakout 1 left
SKU: PIM477

Pimoroni Particulate Matter Sensor Breakout

₱ 338.00
DFRobot Dissolved Oxygen Analog Meter Kit - SEN0237-A 1 left
SKU: SEN0237-A

DFRobot Dissolved Oxygen Analog Meter Kit - SEN0237-A

₱ 17,745.00
Gas Sensor MQ6 LPG (AJ369-6) 25 stock
SKU: AJ369-6

Gas Sensor MQ6 LPG - Butane/Propane Detector

₱ 39.00
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
DFRobot pH Sensor Spear-Tip Analog Kit - SEN0249 1 left
SKU: SEN0249

DFRobot pH Sensor Spear-Tip Analog Kit - SEN0249

₱ 8,899.00
Dissolved Oxygen Kit Analog Atlas Scientific Gravity - circuitrocks 1 left
SKU: kit-103

Atlas Scientific Dissolved Oxygen Kit - Complete DO Sensor Kit

₱ 17,499.00
Hydrogen Gas Analog Sensor MQ8 For Arduino Gravity - circuitrocks 5 left
SKU: SEN0133

DFRobot MQ-8 Hydrogen Gas Sensor Gravity - SEN0133

₱ 1,108.00
Adafruit SGP41 Multi-Pixel Gas Sensor Breakout - VOC & NOx - STEMMA QT / Qwiic sold out
SKU: 6455

Adafruit SGP41 Multi-Pixel Gas Sensor Breakout - VOC & NOx - STEMMA QT / Qwiic

₱ 2,375.00

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