16x2 LCD display module with RGB backlight and control keyboard. Communicates via the I2C interface. It has a connector compatible with Raspberry Pi 4 model B and Raspberry Pi 3 model B+. DFRobot DFR0514

Module with 25 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4225

Module with 13 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4253

Module with 13 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4213

Total suspended particulate (TSP) sensor that allows you to measure the particle concentration from 1 to 100 μm. SDS198

DC-DC Step-Down converter module AP63203 with an output voltage of 3.3 V, an input voltage of 3.8 to 32 V and a maximum output current of 2 A. SparkFun COM-18356

2.13 "e-Paper flexible display HAT designed for Raspberry Pi minicomputers. Communicates with external systems via the SPI interface. The module has support in the form of examples for Raspberry Pi, Jetson Nano, STM32, Arduino. Waveshare 2.13inch e-Paper HAT (D)

Module with 7 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4347

Cable with USB plugs type A and micro-USB type B, cable length 1m. The cable has a red nylon braid

Optical Time of Flight sensor with Pmod I2C connector. The built-in ISL29501 digital signal processor calculates the time it takes for the light emitted by ToF to reach the destination and back. The calculated time is proportional to the distance. Pmod ToF has a range of up to 5 m. Digilent 410-392

HDMI / micro HDMI plug-in cable (AD) from Kruger & Matz, allows you to connect the latest generation of Micro HDMI devices to displays equipped with an HDMI connector. KM0327

Module with an ambient oxygen concentration sensor. The system allows you to measure the oxygen volume in the range up to 25% with a resolution of 0.15%. The module communicates via the I2C interface. DFRobot SEN0322

FRAM chip has 64 Kbits (8 KBytes) of storage, interfaces using SPI, and can run at up to 20MHz SPI clock rates. Each byte can be read and written instantaneously (like SRAM) but will keep the memory for 95 years at room temperature. Adafruit 1897

Module with three optical inspection sensors (spectrophotometers) from the AS7265x series. The module consists of three sensors; AS72651, AS72652 and AS72653 which can detect wavelengths from 410nm (UV) to 940nm (IR). SparkFun SEN-15050

Module with sensors of environmental parameters. It allows you to measure temperature, humidity and pressure as well as CO2 and VOC concentration. DFRobot SEN0335

3 mm LED matrix. The matrix contains 35 LEDs (5x7 system) in red. The diodes are connected by a common cathode.

DEV-10864 OSHW - PoEthernet Shield

The camera module with the Sony IMX219 sensor works with all versions of the Raspberry Pi. The camera is equipped with a matrix with a resolution of 8 MPx. ArduCAM B0152

Module with a color LCD IPS display with a screen diagonal of 4" and a resolution of 720x720 px, dedicated to the Raspberry Pi. It communicates via the DSI interface. Pimoroni PIM475