Brands and Manufacturers

SKU: DF-SEN0214 | Brand: DFRobot

The Gravity Analog 20A Current Sensor measures both AC and DC current using the Hall effect, outputting a proportional analog voltage to your microcontroller. With high-voltage isolation built into the circuit design ...

SKU: DF-SEN0485 | Brand: DFRobot

This small 5V non-contact liquid level sensor with Gravity Interface is able to detect 0-100°C conductive liquid levels in non-metallic containers in sensing range of 3mm. Provided with digital quantity output(low), t...

SKU: DF-SEN0376 | Brand: DFRobot

This is an Arduino compatible alcohol sensor module from DFRobot with a 0-5ppm measuring range, supporting I2C and UART outputs. Aiming at fast and accurate detection of alcohol gas concentration in the air,...

SKU: EF-EF04060 | Brand: ElecFreaks

The Octopus MQ3 Alcohol Sensor Brick from ElecFreaks is an analogue gas sensor module with high sensitivity to alcohol vapour. It outputs an analogue voltage proportional to the detected alcohol concentration, making ...

SKU: AF-3990 | Brand: Adafruit

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly.This Large 5V Analog Panel Meter is about handheld-size, ...

SKU: DF-SEN0132 | Brand: DFRobot

INTRODUCTION This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrations in the air from 20 to 2000ppm. The sensitivity ca...

SKU: DF-FIT0227 | Brand: DFRobot

The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for detecting CO concentrations in the air. It offers a wide detection range from 20 to 2000 ppm, making it ideal for safety monitoring and air quality p...

SKU: SF-BOB-08891 | Brand: SparkFun

This breakout board provides a convenient PCB adapter for MQ-series gas sensors (MQ-3, MQ-4, MQ-6, MQ-7, and MQ-8). It converts the sensor's oversized, oddly-spaced pins into a standard breakout format that's easy to ...

SKU: SF-SEN-08880 | Brand: SparkFun

The MQ-3 is an alcohol gas sensor suitable for detecting alcohol concentration in the air, similar to a breathalyser. It provides an analog resistive output based on alcohol concentration, with high sensitivity and fa...

SKU: SF-SEN-13322 | Brand: SparkFun

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probe...

SKU: SF-SEN-11005 | Brand: SparkFun

This non-invasive current sensor (also known as a split-core current transformer) clamps around the supply line of an electrical load to measure how much current is flowing through it. The sensor acts as an inductor, ...

SKU: AF-574 | Brand: Adafruit

Put a current meter anywhere with this very handy display. This panel meter requires a DC voltage to run, and then has two thick gauge wires to measure current draw. A shunt is already on board so its very easy to hoo...

SKU: SF-SEN-09405 | Brand: SparkFun

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...

SKU: SF-SEN-09404 | Brand: SparkFun

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from ...

SKU: DF-SEN0223 | Brand: DFRobot

The Gravity Conductivity Sensor Switch module can be used to detect if an object has electrical conductivity. Its maximum detection value is 10MΩ. It can detect not only coins, wires, metal and other good conducto...

SKU: DF-SEN0098-V2 | Brand: DFRobot

##Introduction This is an updated version. Retired Product: Gravity: Analog 50A Current Sensor (AC/DC) V1Get this low-power current sensor to monitor your project every second for saving energy or protecting the circu...

SKU: DF-SEN0554 | Brand: DFRobot

This non-contact turbidity sensor detects water quality by measuring the level of turbidity. Based on the optics principle, it is capable of detecting the light transmittance and scattering rate of the liquid in trans...

SKU: DF-SEN0474 | Brand: DFRobot

This is a sensor that detects hydrogen chloride concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentr...

SKU: DF-SEN0476 | Brand: DFRobot

This is a sensor that detects phosphine concentration and supports three output modes: analog, I2C, and UART. The probe has been calibrated at the factory, which can quickly and accurately measure the concentration of...

SKU: SF-SEN-17053 | Brand: SparkFun

The MQ-137 is an ammonia (NH3) gas sensor from Winsen, designed to detect ammonia concentrations in the air. The sensing element is tin dioxide (SnO2), which has lower conductivity in clean air and increases in conduc...