Sensor

The dust sensor can detect the concentration of dust particles with a diameter larger than 0.8μm, such as cigarette smoke.

Detection depth: 38mm; working voltage: 2.0V ~ 5.0V

Working voltage: 3.3V/5V\nCommunication interface: I2C/SPI\nAir pressure detection range: 300~1250hPa\nAbsolute air pressure accuracy: ±0.40hPa (@900~1100hPa, 25~40℃)\nAir pressure relative accuracy: ±0.08hPa (@900~1100hPa, 25~40℃)\nTemperature drift coefficient: ±0.75Pa/K (@700~1100hPa, -20~65℃)\nAbsolute temperature accuracy: ±0.5℃ (0~65 ℃)\nSupport resolution: 0.016Pa (in high-precision mode)\nSupport sampling rate: 200Hz

Working voltage: 2.5V ~ 5.0V

Control chip: TCS34725FN\nWorking voltage: 3.3V/5V\nResolution: 4-channel RGBC, 16 bits per channel\nRecommended detection distance: 2cm

Detect vibration signal; signal output indication

Operating voltage: 3.3V ~ 5V

Working voltage: 2.5V ~ 5.0V

Digital temperature and humidity sensor, used to detect ambient temperature and humidity, adopts DHT22 (AM2302), standard single bus interface. Compared with DHT11, I have higher precision and larger range. Temperature: Resolution: 0.1°C, Accuracy: ±0.5°C, Detection Range: -40°C ~ 80°C, Humidity, Resolution: 0.1%RH, Accuracy: ±2%RH (25°C), Detection Range : 0%RH ~ 99.9%RH, working voltage: 3.3V ~ 5.5V. Recommended storage environment: temperature: 10°C ~40°C, humidity: below 60%RH, weather station, humidity regulator, testing and testing equipment, etc.

The non-contact infrared temperature sensor adopts MLX90614ESF-BCC, which can detect the surface temperature of the object according to the infrared radiation energy and wavelength distribution of the measured object. Non-contact, high precision, high resolution, fast response time, factory built-in calibration, with temperature gradient compensation, built-in level conversion circuit, can be directly connected to 3.3V or 5V MCU system, working voltage: 3.3V ~ 5V , ambient temperature measurement range: -40°C ~ 85 °C, object temperature measurement range: -70°C ~ 380 °C, resolution: 0.02°C, accuracy: ±0.5°C ( 0~50°C), Field of view (FOV): 35°, product size: 28mm x 16 mm, fixing hole size: 2.0mm, main application: high-precision non-contact temperature measurement, industrial temperature control, household appliances with temperature control, etc.

Product description: The audio processing chip LM386 is used to amplify the audio signal by 200 times, with adjustable sensitivity and signal output indication. Product parameters: Microphone sensitivity: 52dB, frequency range: 50Hz ~ 20KHz, working voltage: 3.3V ~ 5.3V, fixed hole size: 2.0mm, main purpose: audio amplification, detection of environmental sound or judgment of sound intensity ( cannot measure specific decibels).

Working voltage: 2.5V ~ 5.0V

Effective detection distance: 0.8m\nWorking voltage: 2.5V ~ 5.0V

Digital temperature and humidity sensor, used to detect ambient temperature and humidity, adopts DHT11, standard single bus interface. Temperature: Resolution: 1°C, Accuracy: ±2°C, Detection Range: 0°C ~ 50°C, Humidity: Resolution: 1%RH, Accuracy: ±5%RH (0~50°C), Detection Range: 20%RH ~ 90%RH (25°C), working voltage: 3.3V ~ 5.5 V, recommended storage environment: temperature: 10°C ~ 40°C, humidity: below 60%RH. Used in weather stations, humidity regulators and test and inspection equipment, etc.

Product description: Use wide voltage LM393 voltage comparator, adjustable sensitivity, signal output indication, product parameters: working voltage: 3.0V ~ 5.3V, product size: 25mm * 15.9mm, fixing hole size: 2.0mm, main application: robot Tracking, obstacle avoidance car and assembly line counting, etc., interface description: (taking MCU as an example), VCC: connect to 3.0V ~ 5.3V, GND: connect to GND, AOUT: connect to MCU.IO (analog output), DOUT : Connect to MCU.IO (digital output)

Environmental sensor, which can sense ambient temperature, humidity and atmospheric pressure, supports I2C and SPI interfaces, and is compatible with 3.3V/5V levels. Small in size, low in power consumption, high in accuracy and good in stability, it is suitable for application scenarios such as environmental monitoring, weather forecasting, altitude monitoring, and the Internet of Things. Support I2C interface communication, slave address can be set, support SPI interface communication, the default is I2C interface, can be set to SPI through I/O port, onboard level conversion circuit, compatible with 3.3V/5V working level, provide Complete supporting manuals (Raspberry/Arduino/STM32 sample programs and user manuals, etc.)

Raspberry Pi camera H type\n5 million pixels; infrared night vision; manual focus; fisheye\nCompatible with Raspberry Pi series motherboards, photosensitive chip OV5647 CMOS size 1/4 inch; pixel 5 million aperture F2.35; focal length 3.15mm pair Angle of field of view 160°\nInfrared night vision supports manual focus

Working voltage: 2.5V ~ 5.0V