Crowtail – Flame Sensor 2.0 is a module detecting infrared radiation and flame sources, operating in the range of 760–1100 nm. Intended for use in safety systems, robotics, and educational projects.

A non-contact magnetic field sensor with a range of ±1.5 mT and a sensitivity of 1500 mV/mT at 5 V. It offers an analog ratiometric output and a flag signal activated when field thresholds are exceeded. It features a fast response time (20 µs) and a 30 kHz bandwidth with a built-in RC filter. Its compact design, AC/DC capability, and easy mounting make it ideal for energy-efficient and safe current monitoring systems. Pololu 5352

Digital temperature and humidity sensor module based on the DHT20 IC, offering high measurement accuracy, an I2C interface, and a wide supply voltage range, compatible with the Crowtail system. Elecrow CRT10251D

Crowtail – 3-Axis Digital Accelerometer (±16g) is a digital MEMS accelerometer with a wide measurement range and high sensitivity, based on the ADXL345 chip. Intended for projects requiring motion, orientation, and acceleration detection in robotics, safety systems, and interactive devices.

Crowtail – Current Sensor 2.0 enables AC/DC current measurement up to ±20 A using the ACS712 chip and generates an analog signal for further analysis. Used in energy-consumption monitoring systems, automation, and laboratory measurements.

SEN0017

Pololu Carrier for Sharp GP2Y0D810Z0F and GP2Y0D805Z0F Sensors

Crowtail – HTU21D Humidity & Temperature Sensor 2.0 enables accurate temperature and humidity measurement using the digital I2C interface. It is suitable for environmental monitoring projects, automation systems, and weather stations.

The SparkFun Load Sensor Combinator is a bare PCB that combines four load sensors into a standard four-wire Wheatstone bridge configuration. BOB-13878

This sensor is a carrier/breakout board for ST’s VL53L0X laser-ranging sensor, which measures the range to a target object up to 2 m away.

A compact pressure and temperature module ideal for weather stations, drones, and IoT projects. It offers a measurement range of 300–1100 hPa with ±3 Pa accuracy and temperature measurement with ±1°C precision. With a built-in 3.3V regulator and logic level converter, it works with both 3V and 5V microcontrollers. STEMMA QT/Qwiic connectors make it easy to quickly connect and daisy-chain multiple sensors in a single system. Adafruit 6420

Crowtail-Microwave Sensor 2.0 is a motion sensor module based on the Doppler effect, designed for integration with Arduino and Crowduino platforms. Thanks to its resistance to environmental factors, it is suitable for industrial automation, security systems and smart installations.

The Sharp GP2Y0A02YK0F sensor enables precise distance measurement in the range of 20–150 cm using an analog output. Its stable characteristics and ease of integration make it a popular solution in mobile robotics and obstacle detection systems.

SEN-14032

Pololu 2450

A modern current sensor combining the Hall effect with an inductive coil, which allows for precise measurements of both the DC and AC components up to 5 MHz. Thanks to its lightning-fast response time and low path resistance, it is perfect for motor control systems, power converters and protection systems. Pololu 5232

The module with the BS312 PIR sensor, which allows motion detection at a distance from 3.2 to 12 m. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020793

A module with a high precision temperature sensor based on the MCP9808 chip. It allows for measurements with an accuracy of ±0.25°C and communicates via the I2C interface. DFRobot SEN0435

Module with temperature and humidity sensor DHT11. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020011

Module with ethanol sensor made in MEMS technology. It allows gas detection in the range of 1 to 500 ppm and has an analog output. DFRobot SEN0569