Aluminum extensometer beam, allowing measurement of weight up to 1 kilogram. It has four wires. It is used in kitchen scales and portable scales.

This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. This unit works great from 5 to 12V (datasheet shows 12V). You can also install a jumper wire past the 5V regulator on board to make this unit work at 3.3V. Sensor uses 1.6mA@3.3V. SEN-13285

The INA3221 module, which allows simultaneous measurement of voltage and current for three power supplies via I2C with ±1% precision. With a 13-bit ADC and built-in 0.05Ω shunt resistors, it allows accurate monitoring of currents up to ±3.2A and voltages up to +26VDC. Adafruit 6062

Recognizes the distance of an object away from the sensor up to about 10 inches (~25cm) and the location of the object from side to side across the sensor in about a 6 inch (~15cm) span. You will be able to use I2C or UART to communicate with the ZX Sensor via an Arduino-based microcontroller as well as a computer. SEN-12780

Module with pressure and temperature sensor BMP280. It allows you to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Adafruit 2651

Module with Hall sensor, allows for magnetic field detection, can be used to measure angle of rotation, displacement, mechanical vibrations, etc. The module has a connector in accordance with the Gravity standard. DFRobot SEN0185

Evaluation board with built-in AD8232 heart monitor module and components placed in a way allowing effective implementation of medical and fitness applications, configuration of 2 or 3 electrodes

SEN-13582

The Pmod TMP3 is an ambient temperature sensor built around the Microchip TCN75A. Users may configure the output through I²C to up to 12 bits of resolution as well as setting a trigger to occur when a user defined temperature threshold is reached.. Digilent 410-287

Muscle Sensor Surface EMG Electrodes allow you to control your projects with your muscles. Adafruit 2773

GY-9255 is a 9 Degrees of Freedom (9DoF) module with the InvenSense MPU-9255 chip. It has a built-in gyroscope, accelerometer and magnetometer

A sensitive sensor of the magnetic field, operating in the range of ± 50 microtesels, which generates a rectangular signal proportional to the strength of the field, which facilitates its integration with microcontrollers. It is distinguished by high temperature stability and tenderness, which makes it ideal for precise magnetic field measurements in applications requiring reliability. Sparkfun Sen-25531

Kit for measuring muscle activity using electromyography (EMG). Contains everything you need from the MyoWare 2.0 ecosystem to test basic configurations in your applications. SparkFun KIT-25332

Indoor air quality measurement module, combining two high-end Sensirion sensors – SCD41 and SEN55. It offers a comprehensive set of measurements, including CO2 concentration, volatile organic compounds (VOC), suspended dust (PM1.0, PM2.5, PM4, PM10), as well as temperature and relative humidity. SparkFun SEN-25200

A compact module based on the PAA5160E1 sensor that provides precise motion data on two axes. It is supported by a built-in 6-axis IMU sensor and a microcontroller for sensor fusion algorithms. With exceptional performance, low error rate and support for the Qwiic interface, the sensor is an ideal solution for navigation in warehouse robots and other high-speed applications, and user-friendly programming libraries make it easy to integrate into projects. SparkFun SEN-24904

Module with hall sensor A3144, analog and digital output from comparator, RoHS

6DoF module with MPU6050 (3-axis accelerometer, 3-axis gyroscope) powered with 3-5V. I2C communication interface

Advanced 60 GHz radar, capable of detecting human presence, falls, posture and vital signs such as heart rate and breathing – even when motionless. Ceiling-mounted and compatible with platforms such as Arduino or ESP32, it is ideal for healthcare systems, especially for monitoring sleep and the safety of the elderly. DFRobot SEN0623

The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5250

Laser radar based on cwToF technology and metasurface lenses, offering depth maps and IR images in 160x60 pixel resolution and a wide viewing angle of 108°x40°. Thanks to its solid-state construction, range up to 4.5 m and resistance to strong lighting (up to 60 Klux), it is ideal for applications such as robotics, obstacle avoidance systems, access control and volume measurement. DFRobot DFR1177