[{"title":"Gravity: Analog Sound Level Meter","handle":"gravity-analog-sound-level-meter","url":"/products/gravity-analog-sound-level-meter","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":68.9,"price_range":68.9,"variant_count":1,"sku":"DF-SEN0232","local_stock":0,"supplier_stock":431,"description":"The Gravity Analog Sound Level Meter is an Arduino-compatible decibel meter that accurately measures environmental noise levels. It uses an instrumentation-grade circuit with a low-noise microphone..."},{"title":"Gravity: Analog Sound Sensor For Arduino","handle":"gravity-analog-sound-sensor-for-arduino","url":"/products/gravity-analog-sound-sensor-for-arduino","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":7.55,"price_range":7.55,"variant_count":1,"sku":"DF-DFR0034","local_stock":8,"supplier_stock":574,"description":"This is a new Arduino compatible Analog Sound Sensor. Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal and actuate accordingly. You may..."},{"title":"Gravity: Analog Spear Tip pH Sensor / Meter Kit (for Soil and Food Applications)","handle":"gravity-analog-spear-tip-ph-sensor-meter-kit-for-soil-and-food-applications","url":"/products/gravity-analog-spear-tip-ph-sensor-meter-kit-for-soil-and-food-applications","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":180.85,"price_range":180.85,"variant_count":1,"sku":"DF-SEN0249","local_stock":2,"supplier_stock":30,"description":"The Gravity Spear Tip pH Sensor Kit is designed for measuring the pH of semi-solid materials such as wet soil, fruit, meat, and vegetables. The stainless steel spear tip protects the glass electrod..."},{"title":"Gravity: Analog TDS Sensor/Meter for Arduino","handle":"gravity-analog-tds-sensor-meter-for-arduino","url":"/products/gravity-analog-tds-sensor-meter-for-arduino","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":21.65,"price_range":21.65,"variant_count":1,"sku":"DF-SEN0244","local_stock":1,"supplier_stock":771,"description":"The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the hig..."},{"title":"Gravity: Analog Turbidity Sensor For Arduino","handle":"gravity-analog-turbidity-sensor-for-arduino","url":"/products/gravity-analog-turbidity-sensor-for-arduino","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":17.25,"compare_at_price":0.0,"price_range":17.25,"variant_count":1,"sku":"DF-SEN0189","local_stock":0,"supplier_stock":1219,"description":"The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount..."},{"title":"Gravity:Analog UV Sensor V2","handle":"gravity-analog-uv-sensor-v2","url":"/products/gravity-analog-uv-sensor-v2","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":9.8,"price_range":9.8,"variant_count":1,"sku":"DF-SEN0162","local_stock":0,"supplier_stock":145,"description":"The Gravity Analog UV Sensor V2 uses a GUVA-S12SD photodiode to detect ultraviolet radiation in the 200–370 nm (UV-A) wavelength range. It outputs a linear analogue voltage signal proportional to U..."},{"title":"Gravity: Analog Voltage Divider V2","handle":"gravity-analog-voltage-divider-v2","url":"/products/gravity-analog-voltage-divider-v2","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":6.3,"price_range":6.3,"variant_count":1,"sku":"DF-DFR0051","local_stock":0,"supplier_stock":242,"description":"   The Analog Voltage Divider V2 can detect the supply voltage from 0.0245V to 25V. This module is based on resistor divider principle. The voltage detection module allows the input voltage to redu..."},{"title":"Gravity: Analog Water Pressure Sensor","handle":"gravity-analog-water-pressure-sensor","url":"/products/gravity-analog-water-pressure-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":31.4,"compare_at_price":0.0,"price_range":31.4,"variant_count":1,"sku":"DF-SEN0257","local_stock":1,"supplier_stock":875,"description":"The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-..."},{"title":"Gravity: Analog Waterproof Capacitive Soil Moisture Sensor","handle":"gravity-analog-waterproof-capacitive-soil-moisture-sensor","url":"/products/gravity-analog-waterproof-capacitive-soil-moisture-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":24.85,"compare_at_price":0.0,"price_range":24.85,"variant_count":1,"sku":"DF-SEN0308","local_stock":1,"supplier_stock":152,"description":"The Gravity Analogue Waterproof Capacitive Soil Moisture Sensor from DFRobot measures soil moisture using capacitive sensing rather than resistive probes, offering significantly better corrosion re..."},{"title":"Gravity: Arduino Alcohol Sensor (MQ3)","handle":"gravity-arduino-alcohol-sensor-mq3","url":"/products/gravity-arduino-alcohol-sensor-mq3","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":11.8,"price_range":11.8,"variant_count":1,"sku":"DF-SEN0128","local_stock":1,"supplier_stock":119,"description":"An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in..."},{"title":"Gravity: Arduino Analog Capacitive Soil Moisture Sensor- Corrosion Resistant","handle":"gravity-arduino-analog-capacitive-soil-moisture-sensor-corrosion-resistant","url":"/products/gravity-arduino-analog-capacitive-soil-moisture-sensor-corrosion-resistant","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":13.4,"compare_at_price":0.0,"price_range":13.4,"variant_count":1,"sku":"DF-SEN0193","local_stock":0,"supplier_stock":1814,"description":"The Gravity Analogue Capacitive Soil Moisture Sensor measures soil moisture using capacitive sensing rather than resistive probes, providing significantly better corrosion resistance and longer ser..."},{"title":"Gravity: Arduino Analog Flame Sensor","handle":"gravity-arduino-analog-flame-sensor","url":"/products/gravity-arduino-analog-flame-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":6.3,"price_range":6.3,"variant_count":1,"sku":"DF-DFR0076","local_stock":1,"supplier_stock":90,"description":"This Gravity analog flame sensor detects fire and infrared light sources in the 760–1,100 nm wavelength range. With a 60° detection angle and analogue output proportional to flame distance, it's wi..."},{"title":"Gravity: Arduino Carbon Monoxide Sensor (MQ7)","handle":"gravity-arduino-carbon-monoxide-sensor-mq7","url":"/products/gravity-arduino-carbon-monoxide-sensor-mq7","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":16.35,"price_range":16.35,"variant_count":1,"sku":"DF-SEN0132","local_stock":0,"supplier_stock":190,"description":"                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.                ..."},{"title":"Gravity: Arduino CO2 Gas Sensor","handle":"gravity-arduino-co2-gas-sensor","url":"/products/gravity-arduino-co2-gas-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":86.3,"price_range":86.3,"variant_count":1,"sku":"DF-SEN0159","local_stock":0,"supplier_stock":229,"description":"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 onbo..."},{"title":"Gravity: Arduino CO/Combustible Gas Sensor (MQ9)","handle":"gravity-arduino-co-combustible-gas-sensor-mq9","url":"/products/gravity-arduino-co-combustible-gas-sensor-mq9","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":13.1,"price_range":13.1,"variant_count":1,"sku":"DF-SEN0134","local_stock":3,"supplier_stock":98,"description":"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 temperatu..."},{"title":"Gravity: Arduino DC Fan Module","handle":"gravity-arduino-dc-fan-module","url":"/products/gravity-arduino-dc-fan-module","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":6.3,"compare_at_price":0.0,"price_range":6.3,"variant_count":1,"sku":"DF-DFR0332","local_stock":1,"supplier_stock":619,"description":"   Make an air aerial propeller vessel, a cooling system, or spinning machine with this small fan module. It comes with a propeller, a 15,000 rpm motor and cable. Add flavor to your own interesting..."},{"title":"Gravity: Arduino DC Micro Metal Gear Motor w/Driver - 30:1","handle":"gravity-arduino-dc-micro-metal-gear-motor-w-driver-30-1","url":"/products/gravity-arduino-dc-micro-metal-gear-motor-w-driver-30-1","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":15.7,"compare_at_price":0.0,"price_range":15.7,"variant_count":1,"sku":"DF-DFR0430","local_stock":1,"supplier_stock":160,"description":"INTRODUCTION An ordinary DC motor requires an H Bridge to work with a microcontroller such as an UNO. For newcomers to electronics, the process of finding the right motor driver, connecting it..."},{"title":"Gravity: Arduino DHT11 Temperature Humidity Sensor","handle":"gravity-arduino-dht11-temperature-humidity-sensor","url":"/products/gravity-arduino-dht11-temperature-humidity-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":8.8,"compare_at_price":0.0,"price_range":8.8,"variant_count":1,"sku":"DF-DFR0067","local_stock":6,"supplier_stock":1553,"description":"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 coefficient..."},{"title":"Gravity: Arduino Digital Buzzer","handle":"gravity-arduino-digital-buzzer","url":"/products/gravity-arduino-digital-buzzer","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":3.45,"compare_at_price":0.0,"price_range":3.45,"variant_count":1,"sku":"DF-DFR0032","local_stock":10,"supplier_stock":355,"description":"     Here is the simplest sound making module that you can use High/Low to drive it. Just change the frequency it buzz, you can hear different sound. It is widely used on your daily application, li..."},{"title":"Gravity: Arduino Digital Microwave Sensor (Motion Detection)","handle":"gravity-arduino-digital-microwave-sensor-motion-detection","url":"/products/gravity-arduino-digital-microwave-sensor-motion-detection","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":15.55,"price_range":15.55,"variant_count":1,"sku":"DF-SEN0192","local_stock":0,"supplier_stock":74,"description":"                INTRODUCTION               The microwave sensor applies the Doppler effect to detect moving objects using microwaves. This differs from the method used by a regular infrared (IR) se..."}]