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Showing 41-60 of 100 products
Gravity: Arduino LM35 Temperature Sensor
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a functional range between 0 degree Celsius to 100 degree Celsius with a sensitivity ...
Gravity: DS18B20 Temperature Sensor (Arduino Compatible)
While there are many types of temperature sensors available in the market, the DS18B20 arduino Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. Its ultra-small size, low hardware overhead, strong anti-interference capability a...
Gravity: Arduino CO/Combustible Gas Sensor (MQ9)
The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO at low temperature (1.5V) and combustible gases at high temperature (5.0V). With...
Gravity: Arduino Digital Weight Sensor
A digital weight sensor kit based on the HX711 24-bit ADC, capable of measuring up to 1 kg. The HX711 is designed specifically for weight scale applications, interfacing directly with a bridge sensor to deliver precise, reliable measurements via the Gravity interface. The kit includes both the H...
Gravity: Arduino CO2 Gas Sensor
The Gravity CO2 Gas Sensor uses an MG-811 electrochemical sensing element to detect carbon dioxide concentration in the air. The output voltage decreases as CO2 concentration increases, and an onboard potentiometer lets you set a threshold for a digital on/off signal output. An onboard heating c...
Gravity: Arduino Hydrogen Gas Sensor (MQ8)
This is an Arduino hydrogen gas sensor. It has high sensitivity to Hydrogen (H2) and less sensitivity to alcohol, LPG,cooking fumes . Hydrogen gas is highly flammable and will burn in air at a very wide range of concentrations The sensitivity is able to be adjusted by the potentiome...
Gravity: Arduino LPG Gas Sensor (MQ5)
The Gravity MQ5 gas sensor is highly sensitive to LPG, natural gas, and town gas, with lower sensitivity to alcohol, cooking fumes, and cigarette smoke. The analogue output is proportional to gas concentration, and sensitivity can be adjusted via the on-board potentiometer. Gravity interface for ...
Gravity: Arduino Carbon Monoxide Sensor (MQ7)
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 can be adjusted by the potentiometer. The output is proportional to the density o...
Gravity: Arduino LPG Gas Sensor (MQ4)
INTRODUCTION This is an Arduino CH4 gas sensor. It uses MQ4 probe which is able to detect nature gas, CH4. It is less sensitivity in detecting alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer. The output is ...
Gravity: Arduino Propane Gas Sensor (MQ6)
INTRODUCTION This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied petroleum gas (LPG). It is less sensitive with alcohol, cooking fumes and cigarette smoke. It can be used in gas leakage detecting equipment in...
Gravity: Digital 10A Relay Module For Arduino and Raspberry Pi
This Gravity digital relay module is designed for switching external loads from low-voltage controller boards. It suits 5V Arduino boards as well as 3.3V platforms such as Raspberry Pi, BBB, mbed, Intel Joule and Arduino 101.The module uses a high quality 3V relay and supports a wide input range,...
HUSKYLENS Study Pack with micro:bit V2
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This kit bundles a HUSKYLENS AI vision smart sensor, a micro:bit V2 board and the matching Study Pack for classroom-friendly image recognition projects. It is based around micro:bit programming and is designed to help students explore the eight HUSKYLENS functions through hands-on lessons.The stu...
Gravity: Analog Infrared CO2 Sensor For Arduino (0~5000 ppm)
The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there's a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 million years. The raise of atmospheric CO2 content to some extent results in gl...
Gravity: Digital Push Button (Red)
Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, esp...
Gravity: 16A Relay Module For Arduino
A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known as the output circuit), usually used in automatic control circuit. It is actually "automatic switch", using a small electric current to control a large...
Gravity:Digital Magnetic Sensor
what's the best way to detect the magnet? Use anther magnet. But it's not sensitive enough. You have to feel it by youself.Right.This magnetic sensor knows whether there is a magnetic object nearby or not. And it correctly tells you through ditigal output.See below picture for a quick demo! ...
PAV3015 Air Velocity Sensor (0–15 m/s, I2C)
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This compact digital anemometer measures air velocity for embedded electronics and intelligent control systems. It is built around the Posifa PAV3015D thermal sensing element, using temperature differences across a thermopile structure to calculate airflow without mechanical moving parts.The boar...
Gravity: Arduino DHT11 Temperature Humidity Sensor
This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memory, it delivers reliable measurements with minimal setup. The Gravity 3-pin int...
Gravity: 80cm Arduino Infrared Proximity Sensor
This is an Arduino infrared distance sensor. It has an adjustable detection range, 3cm - 80cm. It is small, easy to use, assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. Infrared wave length is part of the Sun's natural light spectrum. While is...
Gravity: Arduino Heart Rate Monitor Sensor (ECG)
The DFRobot Gravity Heart Rate Monitor Sensor measures the electrical activity of the heart and outputs it as an analog signal. Built around the AD8232 chip, it filters and amplifies the ECG signal to produce a clean waveform from the PR and QT intervals — viewable in real time using the Arduino ...
