[{"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..."},{"title":"Gravity: Arduino Digital Water Flow Sensor - 1/8","handle":"gravity-arduino-digital-water-flow-sensor-1-8","url":"/products/gravity-arduino-digital-water-flow-sensor-1-8","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":16.8,"price_range":16.8,"variant_count":1,"sku":"DF-SEN0216","local_stock":4,"supplier_stock":135,"description":"    The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at ..."},{"title":"Gravity: Arduino Digital Weight Sensor","handle":"gravity-arduino-digital-weight-sensor","url":"/products/gravity-arduino-digital-weight-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":27.6,"price_range":27.6,"variant_count":1,"sku":"DF-SEN0160","local_stock":0,"supplier_stock":135,"description":"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 sens..."},{"title":"Gravity: Arduino EC (Electrical Conductivity) Sensor / Meter","handle":"gravity-arduino-ec-electrical-conductivity-sensor-meter","url":"/products/gravity-arduino-ec-electrical-conductivity-sensor-meter","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":128.1,"compare_at_price":0.0,"price_range":128.1,"variant_count":1,"sku":"DF-DFR0300","local_stock":0,"supplier_stock":282,"description":"The Gravity EC (Electrical Conductivity) Sensor measures the conductivity of aqueous solutions, providing an analogue output for Arduino and compatible microcontrollers. EC measurement is essential..."},{"title":"Gravity: Arduino Gas Sensor (MQ2)","handle":"gravity-arduino-gas-sensor-mq2","url":"/products/gravity-arduino-gas-sensor-mq2","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":11.8,"price_range":11.8,"variant_count":1,"sku":"DF-SEN0127","local_stock":0,"supplier_stock":416,"description":"\n  \n  INTRODUCTION This is a generic Arduino gas sensor. It has MQ2 probe which is able to detect LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It can be used in gas leakage d..."},{"title":"Gravity: Arduino Heart Rate Monitor Sensor (ECG)","handle":"gravity-arduino-heart-rate-monitor-sensor-ecg","url":"/products/gravity-arduino-heart-rate-monitor-sensor-ecg","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":34.7,"compare_at_price":0.0,"price_range":34.7,"variant_count":1,"sku":"DF-SEN0213","local_stock":0,"supplier_stock":48,"description":"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..."},{"title":"Gravity: Arduino Hydrogen Gas Sensor (MQ8)","handle":"gravity-arduino-hydrogen-gas-sensor-mq8","url":"/products/gravity-arduino-hydrogen-gas-sensor-mq8","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":17.3,"price_range":17.3,"variant_count":1,"sku":"DF-SEN0133","local_stock":0,"supplier_stock":83,"description":"\n        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 ..."},{"title":"Gravity: Arduino Infrared Motion Sensor","handle":"gravity-arduino-infrared-motion-sensor","url":"/products/gravity-arduino-infrared-motion-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":7.55,"price_range":7.55,"variant_count":1,"sku":"DF-SEN0018","local_stock":2,"supplier_stock":112,"description":"      This is a simple to use arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will g..."},{"title":"Gravity: Arduino LM35 Temperature Sensor","handle":"gravity-arduino-lm35-temperature-sensor","url":"/products/gravity-arduino-lm35-temperature-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":7.9,"price_range":7.9,"variant_count":1,"sku":"DF-DFR0023","local_stock":5,"supplier_stock":508,"description":"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 Corporat..."},{"title":"Gravity: Arduino LPG Gas Sensor (MQ4)","handle":"gravity-arduino-lpg-gas-sensor-mq4","url":"/products/gravity-arduino-lpg-gas-sensor-mq4","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":11.8,"price_range":11.8,"variant_count":1,"sku":"DF-SEN0129","local_stock":1,"supplier_stock":347,"description":"                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..."},{"title":"Gravity: Arduino LPG Gas Sensor (MQ5)","handle":"gravity-arduino-lpg-gas-sensor-mq5","url":"/products/gravity-arduino-lpg-gas-sensor-mq5","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":11.8,"compare_at_price":0.0,"price_range":11.8,"variant_count":1,"sku":"DF-SEN0130","local_stock":0,"supplier_stock":124,"description":"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 c..."},{"title":"Gravity: Arduino ORP Meter V1.0","handle":"gravity-arduino-orp-meter-v1-0","url":"/products/gravity-arduino-orp-meter-v1-0","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":183.35,"compare_at_price":0.0,"price_range":183.35,"variant_count":1,"sku":"DF-SEN0165","local_stock":1,"supplier_stock":96,"description":"\n  \nIn the ever-increasing need and awareness for health and safety, water has become a focus point for proper disinfection treatment as aftereffects of industrialization can become a danger for co..."},{"title":"Gravity: Arduino pH Sensor / Meter Kit","handle":"gravity-arduino-ph-sensor-meter-kit","url":"/products/gravity-arduino-ph-sensor-meter-kit","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":50.25,"compare_at_price":0.0,"price_range":50.25,"variant_count":1,"sku":"DF-SEN0161","local_stock":0,"supplier_stock":577,"description":"\nYou may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.Need to m..."},{"title":"Gravity: Arduino pH Sensor Meter Pro","handle":"gravity-arduino-ph-sensor-meter-pro","url":"/products/gravity-arduino-ph-sensor-meter-pro","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":105.5,"price_range":105.5,"variant_count":1,"sku":"DF-SEN0169","local_stock":0,"supplier_stock":358,"description":"    This is a professional Arduino pH Sensor Meter Kit with industrial electrode. It has built-in simple, convenient , practical connection and long life (up to 1 year), which makes it very suitabl..."},{"title":"Gravity: Arduino PIR (Motion) Sensor","handle":"gravity-arduino-pir-motion-sensor","url":"/products/gravity-arduino-pir-motion-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":8.55,"price_range":8.55,"variant_count":1,"sku":"DF-SEN0171","local_stock":5,"supplier_stock":392,"description":"A passive infrared (PIR) motion sensor from DFRobot's Gravity series. It detects infrared radiation from people and animals in motion and outputs a digital HIGH signal when movement is detected — i..."},{"title":"Gravity: Arduino Propane Gas Sensor (MQ6)","handle":"gravity-arduino-propane-gas-sensor-mq6","url":"/products/gravity-arduino-propane-gas-sensor-mq6","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":11.8,"price_range":11.8,"variant_count":1,"sku":"DF-SEN0131","local_stock":0,"supplier_stock":58,"description":"                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 alcoh..."},{"title":"Gravity: Arduino Shield for Raspberry Pi B+/2B/3B/3B+/4B","handle":"arduino-shields-for-raspberry-pi-b-2b-3b","url":"/products/arduino-shields-for-raspberry-pi-b-2b-3b","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":25.2,"compare_at_price":31.83,"price_range":25.2,"variant_count":1,"sku":"DF-DFR0327","local_stock":13,"supplier_stock":0,"description":"The Gravity Arduino Shield for Raspberry Pi brings Arduino-compatible I/O to your Raspberry Pi B+, 2B, 3B, 3B+, or 4B. Built around the ATmega32u4 (Arduino Leonardo), it sits on top of your Pi and ..."},{"title":"Gravity: AS7341 11-Channel Visible Light Sensor","handle":"gravity-as7341-11-channel-visible-light-sensor","url":"/products/gravity-as7341-11-channel-visible-light-sensor","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":31.6,"price_range":31.6,"variant_count":1,"sku":"DF-SEN0364","local_stock":0,"supplier_stock":206,"description":"We live in a colorful world, but how much do you really know about color? Your eyes may deceive you, while the sensors don’t lie. This Gravity: AS7341 11-Channel Visible Light Sensor can tell you t..."},{"title":"Gravity: BLE Sensor Beacon Pack (5 PCS)","handle":"gravity-ble-sensor-beacon-pack-5-pcs","url":"/products/gravity-ble-sensor-beacon-pack-5-pcs","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":26.0,"price_range":26.0,"variant_count":1,"sku":"DF-TEL0149","local_stock":0,"supplier_stock":223,"description":"\n  Note: Gravity: BLE sensor beacons need to be configured using the 3.3V USB-TTL tool.\n\nThis Gravity wireless BLE Sensor Beacon with built-in 11-bit ADC is capable of collecting data from digital ..."},{"title":"Gravity: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)","handle":"gravity-bme688-ai-environmental-sensor-voc-temperature-humidity-pressure","url":"/products/gravity-bme688-ai-environmental-sensor-voc-temperature-humidity-pressure","vendor":"DFRobot","product_type":"physical","in_stock":true,"price":39.5,"compare_at_price":42.9,"price_range":39.5,"variant_count":1,"sku":"DF-SEN0617","local_stock":0,"supplier_stock":396,"description":"The Gravity BME688 is an advanced MEMS environmental sensor from Bosch that measures temperature, humidity, barometric pressure, and volatile organic compounds (VOC) in a single compact module. It ..."}]