Module with trackball and RGB backlight. It has a built-in button and is perfect for building your own mouse, for example. Pimoroni PIM447

Optical liquid level sensor module with switching function with NPN output.

Temperature and humidity sensor adapted to work with Sonoff TH10 / TH16

TCS34725 RGB Color Sensor is a color sensor TCS34725 controlled by the I2C interface. It is powered by voltage in the range of 3.3 ... 5V and is intended for Arduino-compatible boards. DFRobot SEN0212

The LD2411-S module is a 24 GHz radar for precise detection of human motion and micro-motion at distances up to 6 meters. modHLK-LD2411S

Soil moisture sensor with analog output. It has a probe with pointed tips, which allows you to easily place it in the ground. The analog output voltage level increases in proportion to the humidity level

Module with 9-axis IMU ICM-20948 sensor. The system is an integrated 3-axis accelerometer, gyroscope and magnetometer and a digital motion processor DMP (Digital Motion Processor). Communication via I2C. Pimoroni PIM448

TSL25911FN light sensor module that can measure both visible and infrared light. It communicates via an I2C interface. Waveshare TSL25911 Light Sensor

Module with light intensity sensor LTR-303. It offers a measuring range from 1 to 65535 lux and a 16-bit resolution. Communication takes place using I2C. Adafruit 5610

A module with line sensors designed to work with the Kitronik kit. It has two sensors in the form of phototransistors that generate an analog voltage that can be read by the microcontroller. The module is equipped with a 4-pin connector (3V, 0V, L, R), which allows for power supply and reception of signals from the sensors, and the output voltage changes depending on the detected surface, which allows it to be used not only with the Kitronik kit, but also with platforms such as Arduino or Raspberry Pi Pico. Kitronik 56111

Module with LPG gas concentration sensor (MQ-6) in the range of 200 - 10,000 ppm. The module has an analogue output and a digital output triggered by exceeding the threshold of sensitivity. modMQ-6

Pololu Carrier for Sharp GP2Y0D810Z0F and GP2Y0D805Z0F Sensors

Module with an infrared sensor MLX90640 - a measuring matrix with a resolution of 32x24 pixels. It offers an accuracy of 1°C and a viewing angle of 55° x35°. Communication with the sensor takes place via the I2C interface. Pimoroni PIM365

MQ-135 Gas Sensor

Module with 1 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4301

Module with 9-axis IMU sensor BNO055. It has a built-in processing chip that returns orientation in 3D space. Communicates via I2C. Adafruit 4646

Module with a pulse sensor and SpO2 level (oxygen saturation level). It is based on the MAX30102 chip and MCU with heart rate and oximetry algorithm. Sensor communicates via the I2C interface. DFRobot SEN0344

Grove module with a proximity sensor, light, color and the ability to detect gestures. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 101020580

Precision Hall effect current sensor offering galvanic isolation, wide bandwidth of 150 kHz and the ability to measure AC and DC current with very low power loss. Thanks to differential measurement and immunity to magnetic interference, it is perfect for applications requiring accurate current monitoring, such as power supplies, converters or motor control systems. Pololu 5293

360-degree laser scanner (LIDAR), with a range of up to 12 meters and measurement frequency up to 10 Hz (optimal value 5.5 Hz). DFRobot DFR0315