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B07L5YN11R Price: $21.99 Score: 1000.000 Category: Electronics Rating: 4.1 Votes: 23 Find similar products Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2 (3709). Breathe easy with the SGP30 Multi-Pixel Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor experts at Sensirion, with I2C interfacing and fully calibrated output signals with a typical accuracy of 15% within measured values. The SGP combines multiple metal-oxide sensing elements on one chip to provide more detailed air quality signals. This is a gas sensor that can detect a wide range of Volatile Organic Compounds (VOCs) and H2 and is intended for indoor air quality monitoring. When connected to your microcontroller (running our library code) it will return a Total Volatile Organic Compound (TVOC) reading and an equivalent carbon dioxide reading (eCO2) over I2C. The SGP30 has a 'standard' hot-plate MOX sensor, as well as a small microcontroller that controls power to the plate, reads the analog voltage, tracks the baseline calibration, calculates TVOC and eCO2 values, and provides an I2C interface to read from. Unlike the CCS811, this sensor does not require I2C clock stretching. This part will measure eCO2 (equivalent calculated carbon-dioxide) concentration within a range of 0 to 60,000 parts per million (ppm), and TVOC (Total Volatile Organic Compound) concentration within a range of 0 to 60,000 parts per billion (ppb). Please note, this sensor, like all VOC/gas sensors, has variability and to get precise measurements you will want to calibrate it against known sources! That said, for general environmental sensors, it will give you a good idea of trends and comparison. The SGP30 does have built in calibration capabilities, note that eCO2 is calculated based on H2 concentration, it is not a 'true' CO2 sensor for laboratory use. Another nice element to this sensor is the ability to set humidity compensation for better accuracy. An external humidity sensor is required and then the RH% is written over I2C to the sensor, so it can better calculate the TVOC/eCO2 values.	B074XMMQRH Availability: Currently unavailable Score: 5.682 Category: Electronics Rating: 5 Votes: 1 Find similar products Adafruit (PID 2651) BMP280 I2C or SPI Barometric Pressure & Altitude Sensor. Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI! This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy. The BMP280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C orSPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI. Nice sensor right? So we made it easy for you to get right into your next project. The surface-mount sensor is soldered onto a PCB and comes with a 3.3V regulator and level shifting so you can use it with a 3V or 5V logic microcontroller without worry. We even wrote up a nice tutorial with wiring diagrams, schematics, libraries and examples to get you running in 10 minutes!.
B07GQQ9ZHN Price: $35.52 Score: 5.464 Category: Electronics Rating: 4.5 Votes: 75 Find similar products Pimoroni BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor - Individual. .	B0040ZEHXW Availability: Currently unavailable Score: 5.376 Category: Electronics Rating: 5 Votes: 3 Find similar products Day/Night Environmental Control. The CHHC-4 controls all of your growing area conditions accurately and reliably. First of all, it has all of the C02 control features of the CHHC-1 and CPPM-1. It also has the ability to control 3 other devices, a heating device and a humidity device. Records the min and max temperature, humidity and C02 levels. Unlike some C02 controllers, the CHHC-4 is able to be calibrated by the user with the self calibration feature.NEW Green LED lights make this unit very plant friendly NEW Removable combination remote temp, humidity, light level & CO2 probe allows the CHHC-4 to be placed up to 16 feet awayNEW Protective caps to help prevent water from getting into the controller Monitors and controls CO2 with PPM accuracy Also controls 3 other devices, a heating device, a cooling device and a humidity device Separate day/night temp and humidity settingsRecords the min and maxi temp, humidity and CO2 levels Has 2 separate outputs to control cooling and heating Can increase or decrease the amo.
B01HO1XT28 Availability: Currently unavailable Score: 5.128 Category: Electronics Rating: 4.2 Votes: 14 Find similar products Pimoroni Enviro pHAT. Enviro pHAT packs 4 different sensors, letting you measure temperature, pressure, light level, colour, 3-axis motion, compass heading, and analog inputs. That's up to 10 different variables! It's ideal for monitoring conditions in your house, garage or galleon. Set up a web server with Flask and remotely monitor everything from anywhere. As with our other pHATs, it works with all of the 40-pin Raspberry Pi variants - 3/2/B+/A+/Zero - but using it with the Pi Zero makes for a super-tiny package. Features: BMP280 temperature/pressure sensor TCS3472 light and RGB colour sensor Two LEDs for illumination LSM303D accelerometer/magnetometer sensor ADS1015 4-channel analog to digital sensor (ADC) Kit includes: Assembled Enviro pHAT PCB 2x20 0.1 female GPIO header Male header for ADC pins Combining Enviro pHAT with our other HATs and pHATs gives almost endless possibilities: display sensor values on Unicorn pHAT, use Display-O-Tron HAT to display sensor data, display a graph of values with Scroll pHAT, and much, much more. We've put together a comprehensive Python library to make using Enviro pHAT really simple. Note: Our pHAT boards require you to solder on the headers!.	B07P4CWGGK Price: $16.99 Score: 5.000 Category: Electronics Rating: 5 Votes: 2 Find similar products waveshare Environmental Sensor Sensing Environmental Temperature Humidity and barometric Pressure for Raspberry Pi STM32 I2C and SPI Interfaces. Overview A tiny sensor breakout with onboard, sensing environmental temperature, humidity, and barometric pressure. It supports both I2C and SPI interfaces, also is compatible with 3.3V/5V voltage levels. Due to its ultra small form factor, low power consumption, high precision with stability, the Environmental Sensor is suited for applications such as environment monitoring, weather forecast, altimeter, and IoT projects, and so on. Features Supports I2C (default), configurable slave address Supports SPI, switch to SPI via I/O setting Onboard voltage level translator, compatible with 3.3V/5V operating voltage Comes with development resources and manual (examples for Raspberry Pi/ /STM32) Specifications Operating voltage: 3.3V/5V Communication interface: I2C/SPI Temperature sensing: -40~85°C (resolution 0.01°C, accuracy ±1°C) Humidity sensing: 0~100%RH (resolution 0.008%RH, accuracy ±3%RH, response time 1s, delay ≤2%RH) Barometric pressure sensing: 300~1100 hPa (resolution 0.18Pa, accuracy ±1hPa) Power consumption: <0.1mA@1Hz (H,P,T) Dimension: 27mm x 20mm Mounting hole size: 2.0mm.
B00NL5JL74 Availability: Currently unavailable Score: 4.878 Category: Electronics Rating: 2 Votes: 1 Find similar products Waveshare 20-95% RH Sensitivity Control Temperature Humidity Sensor Module Detector DHT11 for Arduino Raspberry pi DC 3.3-5V. .	B00CMR3E48 Availability: Currently unavailable Score: 4.831 Category: Electronics Rating: 4 Votes: 11 Find similar products XSPC Flat Sensor + LCD Temperature Display V2, Green. XSPC LCD Temperature Sensor V2 : Green.
B08J6XZC7B Price: $50.7 Score: 4.785 Category: Electronics Rating: 4.2 Votes: 5 Find similar products LiebeWH LX1330B Digital Luxmeter LCD Display Light Meter Lux Meter Photometer 0-200,000 Lux Testing Illuminometer. Features: This light meter has high accuracy and rapid response,and auto zeroing function.It supports over-range indication, unit and sign display for easy reading.Data hold and maximum data hold function,low power consumption, short rise and fall time.The unit is switchable between Lux and FC, simply by pressing a button.Widely used for light test of public stores, library, museum, lamp factory, photo shooting, stage disposition of light, etc. Specification: Model: LX1330BDisplay: 3-1/2 digits 18mm LCDRange: 0.1 to 200,000Lux/0.01 to 20,000FCOver-input: Indication of 1Accuracy: ≤20,000Lux, ±(3%rdg+10digit)　　　　　 >20,000Lux, ±(5%rdg+10digit)Resolution: 0.1LuxRepeatability: ±2%Temperature Characteristic: ±0.1%/℃Sampling Time: 0.5secondPhoto Detector: One silicon photo diode with filterSize: 167.54cm / 6.331.6inWeight: 529g / 18.7oz (approx.) Package list: 1 * Light Meter1 * Box.	B00FVVEF54 Availability: Currently unavailable Score: 4.785 Category: Electronics Rating: 3.1 Votes: 17 Find similar products XSPC G1/4 Plug Sensor + LCD Temperature Display V2, Black/White. .