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Current Sensor ACS712 30A

Based on the precise, low-offset, linear hall circuit, this module provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Please note that the chip on-board this module uses the hall effect to measure the current and as such is susceptible to magnetic interference.

IR Sensor E18-D80NK (3 - 80cm)

This is a set of transmitter and receiver in one of the photoelectric sensor. A detection distance can be adjusted according to the requirements. The sensor has a detection distance, visible interference by small, cheap, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, line piece and many occasions.

Ultrasonic Transducer Waterproof

Using IO port TRIG, send high level signal of at least 10us. Module automatically sends 8 40KHz square waves, automatically detecting whether a signal returns. If a signal return, a high level is output through the IO port ECHO.

Force Sensitive Resistor Force Sensor FSR402

Force Sensitive Resistor allows you to detect the physical pressure, extrusion, and weight. They are simple to use, and low cost.

Gas Sensor MQ2 LPG Hydrogen Propane Methane Butane

MQ2 gas sensor is highly sensitive and can pick up various types of gas concentration. For a low cost sensor, this can really do a good job! Suitable for homes and factories leakage monitoring.

Soil Moisture Sensor

This sensor can detect soil moisture with an accurate analog output, perfect for any gardening projects! Sensitivity adjustable with on board potentiometer.

Infrared Obstacle Avoidance Sensor

When the module detects an obstacle, the green indicator lights up, giving a low-level output signal in the OUT pin. The module detects distance of 2 - 30cm, detection angle of 35 degrees. Distance can be adjusted through the potentiometer.

Digital Luminosity/Lux/Light Sensor BH1750FVI

This sensor has built in 16-bit AD converter with direct digital output, omitting the need for complex calculation and calibration. It does not distinguish between ambient light. 1 lux high-precision measurement of a wide range of brightness.

Pulse Sensor

Pulse sensor is used to test the heart rate. Students, artists, athletes, creator, game developer, or hobbist can develop interactive work related to heart rate. Sensor should be put on the finger or earlobe for the best results. There is an integrated optical amplifying circuit and noise eliminating circuit to ensure readings are stable and filtered.

Rain Sensor

The sensor uses high quality FR-04 double material, large area of 55mm x 40mm, treatment of nickel plating on surface which fights oxidation, gives better electrical conductivity, and has superior life performance. Built in comparator output gives a clean signal and good waveform. Sensitivity can be adjusted through the on board potentiometer.

Vibration Sensor

The sensor has a built in comparator which gives a clean signal and good waveform. Sensitivity can be adjusted through the on board potentiometer.

3-Axis Accelerometer ADXL345

The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurements at up to ± 16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.

Pressure Sensor BMP180

BMP180 is a high precision, small volume, low energy consumption pressure sensor, which is commonly used in mobile devices. It can achieve accurary of 1m, with noise of only 17cm in ultra high resolution noise. The device will operate at only 0.3uA meaning low current draw for battery powered applications. The BMP180 comes fully calibrated and ready to use. Using I2C, the device provides pressure and temperature as 16bit values, which are used along with calibration data within the device are used to provide a temperature compensated altitude calculation.

Sound Sensor

When sound intensity is above the present threshold, there will be a digital output on the OUT pin. Sound sensitivity can be adjusted through the potentiometer on board.

Colour Sensor TCS230/TCS3200

This colour sensor utilizes chip TCS230, equivalent to TCS3200. Highly accurate readings with 4 white LED lights to enhance accuracy.

Ultrasonic Sensor HC-SR04

The HC-SR04 ultrasonic sensor uses sonar to determine distance to objects like bats or dolphins do. This module offers excellent range accuracy and stable readings in an easy-to-use package. Its operation is not affected by sunlight or black material (although acoustically soft materials like cloth can be difficult to detect). Ranging accuracy can reach to 3mm.

Compass Magnetic Field Sensor HMC5883L

12-bit ADC coupled with low noise AMR sensors achieves 2 milli-gauss field resolution in ±8 gauss fields.

9DOF MPU-9255 9 Axis Accelerometer Gyroscope Magnetic Field Sensor

The MPU-9255 is the world’s first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. This breakout board makes it easy to prototype with the InvenSense MPU-9150 by breaking out all the pins you need to standard 0.1" spaced headers. The board also provides I2C pullup resistors and a solder jumper to switch the I2C address of the device.

Temperature Humidity Sensor DHT11

This temperature humidity sensor uses a capacitive humidity sensor, and a thermistor to measure the surrounding air temperature. The result is available via a digital signal on the data pin.

Light Sensor

When light intensity is above the present threshold, there will be a digital output on the D0 pin. Light sensitivity can be adjusted through the potentiometer on board.