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DHT22 temperature sensor tutorial:
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| Name | Gravity: I2C Non-contact IR Temperature Sensor For Arduino | Gravity: Analog LM35 Temperature Sensor For Arduino | Gravity: Waterproof DS18B20 Sensor Kit | Gravity: Analog High Temperature Sensor | |
| SKU | SEN0226 | DFR0023 | KIT0021 | DFR0024 | SEN0198 |
| Operating Voltage | 3.3V/5V | 3.3V/5V | 3.0V~5.5V | 3.3V~5V | 3.3V~5.5V |
| Operating Current | 2.7μA | 2.7μA | <3μA | <3μA | 2.8μA |
| Operating Temperature | -40℃～85℃ | -40℃～150℃ | -55℃～125℃ | -55℃～125℃ | 30℃～350°C |
| Range of temperature measurement | 0℃～65℃ | 0℃～100℃ | -55℃～125℃ | -55℃～125℃ | -55℃～125℃ |
| Precision of temperature measurement | 0.01℃ | 0.5℃ | 0.5℃ | 0.5℃ | 0.5℃ |
| Temperature deviation | ±0.5℃ | ±0.5℃ | ±0.5°C | ±0.5℃ | ±0.5℃ |
| Dimension | 30*22(mm) | 30*22(mm) | 33*22(mm) | 22*32(mm) | 42*32*18(mm) |
| Interface | Gravity-I2C | Gravity-analog | Gravity-digital | Gravity-digital | Gravity-analog |
| Data type | Digit | analog |
Digit (unibus) | Digit (unibus) | analog |
| Price | $8.80 | $4.50 | $8.00 | $4.00 | $16.00 |
| Brief introduction | BMP280 Barometer sensor supports Arduino and can measure both temperature and atmospheric pressure. It can be applied to enhance GPS navigation & coordinate with IMU sensor to realize indoor and outdoor navigation. Compared to the last generation BMP180 barometer sensor, it has a lower power consumption, higher resolution and higher sampling frequency. Application: Enahnced GPS navigation (e.g. time-to-first-fix improvement, dead-reckoning, slope detection) Indoor navigation (floor detection, elevator detection) Outdoor navigation, leisure and sports applications Weather forecast Health care applications (e.g. spirometry) Vertical velocity indication (e.g. rise/sink speed) |
$A Temperature Sensor can be used to detect ambient air temperature, the output voltage is proportional to temperature. It has good linearity and high sensitivity. Application:Medical treatments Personal controls Industrial controls Aeronautics and astronautics. |
Waterproof temperature sensor DS18B20 is widely used in many fields, such as soil temperature measurement, hot tank temperature control etc. It supports multipoint measurement. Application: Constant temperature control Industrial system Consumer electronics Thermistors Refrigerators Barns Tanks Telecommunication rooms Power communication rooms Cables etc. |
A Temperature Sensor can be used to detect ambient air temperature. It can be connect to three-wire in parallel to achieve multipoint temperature measurement. Application: Constant temperature control Industrial system Consumer electronics Thermistors Refrigerators Barns Tanks Telecommunication rooms Power communication rooms Cables etc. |
It used a PT100 resistance type high temperature probe to measure a temperature range between 30-350°C. Application: Especially for high precision of temperature measurements. Medical treatments Motors Industrials Temperature counts Resistance counts |
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| Name | Gravity: i2C BMP280 Barometer Sensor | Infrared Thermometer Module | Gravity:SHT1x Humidity and Temperature Sensor | DHT22 Temperature and Humidity Sensor | |
| SKU | SEN0206 | SEN0093 | DFR0066 | DFR0067 | SEN0137 |
| Operating Voltage | 3.3V~5V | 3V~5V | 3.3V~5V | 3.3V~5V | +5V |
| Operating Current | 1.2mA | 4mA~9mA | 2μA | 0.5mA~2.5mA | 1.5mA |
| Operating Temperature | -40℃～125 ℃ | -10℃~50℃ | -40℃~128.8℃ | 0℃～50℃ | -20℃-80℃ |
| Range of temperature measurement | -70.01℃～382.19℃ | -33℃～220℃ | -40℃~128.8℃ | 0℃～50℃ | -40℃-80℃ |
| Precision of temperature measurement | 0.5℃ | 2℃(full range) | 0.5℃ | 2℃ | |
| Temperature deviation | ±0.5℃ | ±0.6℃ | ±0.4°C | ±0.1℃ | ±0.5℃ |
| Dimension | 31.5*18(mm) | 12*13.7*35(mm) | 32*27(mm) | 22*32(mm) | 22*32(mm) |
| Interface | Gravity-I2C | Digitalx3 | Gravity-2-wire digital | Gravity-digital | Gravity-digital |
| Data type | Digit | Digit | Digit (unibus) | Digit (unibus) | Digit (unibus) |
| Range of humidity measurement | NA | NA | 0-100%RH | 20-90%RH | 0-100%RH |
| Humidity deviation | NA | NA | ±4.5%RH | ±5%RH | ±2%RH |
| Price | $16.00 | $49.00 | $21.05 | $5.20 | $9.50 |
| Brief introduction | non-contact measurement uses infra-red radiation to measure the temperature and does not require a direct touch. Additionally, this method of measurement can be read quickly and accurately. This module has a FOV of 35° Wave length 5.5um-14um Application: Environmental monitor Home automation Automobile electronics Airline industry Military |
It is a long-distance thermometer specially designed for a high sensitivity, high accuracy, low noise, and low power consumption. Wave length:5um-14um This module has a FOV of 26.6°x 2 = 53.2° Application: Medical equipment Fire alarm systems telecommunications |
It consists of 1 capacitive humidity module and 1 energy gap temperature module, perfect integration of 1 14bit A/D converter and 1 2-wire digital interface. CMOSens technology makes it of advantages such as low power consumption, fast response, strong anti-jamming capacity etc. Application: Medical equipment HVAC Meteorology Humidity regulator Dehumidifier Tests and measurements Automobile Automatically control |
This sensor includes a resistive element and a sense of wet NTC temperature measuring devices. It has excellent quality, fast response, anti-interference ability and high cost performance advantages. Its signal transmission distance up to 20 meters. These features make it a variety of applications and even the most demanding applications. Application: |
It contains a resistive element and a sense of wet NTC temperature module. Compared to DHT11, it has smaller humidity deviation, faster response, stronger anti-interference ability and higher cost performance Application: Medical equipment HVAC Meteorology Humidity regulator Dehumidifier Tests and measurements |
Project 1: Environmental Monitoring System Based on OBLOQ-IoT Module
This product is mainly applied in electronic laboratory to monitor and control indicators such as temperature, humidity, light and dust, and timely upload them to the cloud data space to achieve remote monitoring and control of dehumidifier, air purifier, exhaust fan and dimmable light, etc. in the laboratory.
Project 2: The Ultimate IoT Sensor Box for Smart Offices and Buildings
Introduction: Improve your flex desk office experience with this innovative IoT sensor box
