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Showing 21-40 of 55 products · 5 unavailable products hidden
SGP41 VOC & NOx Gas Sensor Breakout
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Build a digital nose for indoor air quality projects with this SGP41 gas sensor breakout. The Sensirion SGP41 is a fully integrated MOX gas sensor with I2C interfacing, so you do not need to manage heater control or analogue readings yourself.The sensor combines two MOX hot-plate sensing elements...
DIY Gas Detector - Learn to solder
MQ-2 Gas Sensor - Smoke & Flammable Gas Detector The MQ-2 is a reliable, easy-to-use gas sensor that’s ideal for detecting flammable gases like LPG, methane, propane, and even smoke. At its core is tin dioxide (SnO₂), a material with low conductivity in clean air. But when flammable gas is pres...
Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
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The BME688 AI Environmental Sensor is a highly advanced MEMS sensor that combines temperature, humidity, barometric pressure, and VOC detection in a single, compact package. Featuring ±0.5°C temperature accuracy, ±3% humidity accuracy, and ±0.6 hPa pressure accuracy, it offers reliable env...
MQ-2 smoke sensor module
This is the MQ-2 smoke sensor module. It is sensitive to flammable gases such as LPG, propane, and methane. Find our tutorial here It has four pins:AO: Analog OutputDO: Digital OutputGND: In electronics, we define a point in a circuit to be a kind of zero volts or 0V reference point, on whi...
AGS02MA TVOC Gas Sensor
The AGS02MA is a MEMS-based TVOC (Total Volatile Organic Compounds) gas sensor with a calibrated digital signal output. It detects a range of polluting gases including ethanol, ammonia, sulfides, benzene vapours, and smoke, making it suitable for air quality monitoring applications. This sensor ...
RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply
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RainbowLink V2 is a pocket-sized USB Type-C serial debugging workstation that combines four independent communication channels with useful field power outputs. It replaces multiple USB dongles for RS485, RS232 and TTL UART work, making it well suited to field engineering, IoT development and indu...
SparkPNT GNSS Disciplined Oscillator Plus
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SparkPNT GNSSDO+ is a high-precision time and frequency reference built around the Septentrio mosaic-T GNSS module and a Rakon STP3593LF double-oven OCXO. It is intended for demanding timing applications where stable 10MHz and pulse-per-second references are needed, including labs, server racks a...
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
The BME680 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or SPI. In addition to standard environmental readings, the BME680 includes a sma...
AGS02MA I2C TVOC Gas Sensor
The AGS02MA is a compact MOX-based TVOC (Total Volatile Organic Compounds) gas sensor with an I2C interface. It features a built-in ADC that outputs gas resistance and parts-per-billion (ppb) readings — higher ppb values indicate more organic compounds in the air. This is a simple, inexpensive s...
ELECFREAKS PlanetX MQ5 Sensor
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The ELECFREAKS PlanetX MQ5 Sensor is an essential sensor for environmental detection. The ELECFREAKS PlanetX MQ5 Sensor can be used to detect the leakage of flammable gas, you can use it to make a household gas leak alarm or a portable gas detector. PlanetX MQ5
Gravity HF Gas Sensor (Calibrated) - I2C/UART/Analogue
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Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industrial and environmental protection applications.The sensor includes integrated tempe...
LPG Gas Sensor - MQ-6
A simple-to-use MQ-6 gas sensor for detecting liquefied petroleum gas (LPG) — primarily propane and butane — in the air. The sensor detects concentrations from 200 to 10,000 ppm with high sensitivity and fast response time. The MQ-6 outputs an analog resistance that varies with gas concentration...
Threshold Formaldehyde HCHO Detection Sensor (0-20ppm)
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##Introduction This formaldehyde gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or falls below a fixed threshold. It operates on a wide voltage range of 5-24V, with high...
Arduino Portenta C33 Development Board
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##Introduction The Arduino Portenta C33 is a streamlined module that offers the high performance of the Arduino Portenta family at a lower price point, thanks to optimizations and streamlined features. Ideal to developing cost-effective, real-time applications, the Portenta C33 features the ARM® ...
Threshold Carbon Monoxide Detection Sensor (0-1000ppm)
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##Introduction This carbon monoxide gas sensor differs from most gas sensors on the market as it does not provide specific gas concentration data. Instead, it detects whether the surrounding environment exceeds or falls below a fixed threshold. It operates on a wide voltage range of 5-24V, with h...
Flex Sensor 4.5
A simple flex sensor 4.5" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It’s so bad! The resistance of the flex se...
PM2.5 Air Quality Kit (PMSA003 + SHT20)
The PM2.5 Air Quality Kit combines a PMSA003 laser particulate sensor with an SHT20 temperature and humidity sensor in a single M5Stack-compatible module. It measures ambient particulate concentration, temperature, and humidity — making it ideal for air quality monitoring deployments. The PMSA00...
XL-MaxSonar-WRLA1(MB7076)
The MB7076 XL-MaxSonar-WRLA1 is a weather-resistant ultrasonic ranging sensor with centimetre resolution and a 10 Hz read rate. It detects the nearest target from 20 cm to 1068 cm (over 10 metres) and provides three output options: analog voltage, analog envelope, and RS232 serial. Housed in a r...
Sensor ELECFREAKS PlanetX MQ3
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An alcohol vapour sensor module from the ELECFREAKS PlanetX range, designed for use with micro:bit via an RJ11 connector. The MQ3 sensor uses a tin dioxide (SnO2) sensing element whose conductivity increases with alcohol gas concentration, providing an analog output you can read and process in Ma...
Gravity: I2C ADS1115 16-Bit ADC Module (Arduino Raspberry Pi Compatible)
DFRobot I2C ADS1115 16-bit ADC module can accurately collect and convert analog signals. Through this ADC module, Raspberry Pi can easily use a wide range of Gravity series analog sensors to measure various signals, and perceive this world.Raspberry Pi is a common master control board which is...