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 110°x75°. Communication with the sensor takes place via the I2C interface. Pimoroni PIM366

Module with ACS724LLCTR-05AB current sensor with a measuring range of direct and alternating current from -5 to 5 A. It communicates via an analog interface. Pololu 4041

Module with ACS724LLCTR-10AU current sensor with a measuring range of direct and alternating current from 0 to 10 A. It communicates via an analog interface. Pololu 4042

Module with the 3-channel distance sensor OPT3101. The sensor has a range of up to 1 m, a wide viewing angle of up to 180° and communicates via the I2C interface. Pololu 3680

TB67S249FTG Stepper Motor Driver Compact Carrier (Header Pins Soldered)

Module with color sensor TCS3472. The board is equipped with a Grove connector and communicates via the I2C interface. M5Stack U009

Step-Down converter D36V28F6 with an output voltage of 6 V, an input voltage from 6.3 to 50 V and a maximum output current of 4 A. Pololu 3783

Step-Down converter D36V28F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 4.5 A. Pololu 3781

Small size driver module TB67S279FTG stepper motor powered with 10 ... 47V voltage and working current 1.1A. The controller allows you to control the motor movement up to 7 different resolutions (up to 1/32 of a step). Module with soldered connectors. Polol 3099

Mini SPDT type end switch with lever length 13.5mm and current capacity of 1A contacts. Pololu 1528

Extension board with stepper motor controller based on the STSPIN820 system. Ideally suited for use, among others in 2D / 3D printers, robots, cameras. Pololu 2878

Step-Down converter D36V50F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 9.5 A. Pololu 4090

Pololu - 2511

16 MP camera with USB interface. Equipped with a Sony CMOS IMX298 sensor, a lens with a viewing angle of 60° and a microphone. Dedicated to be used with a computer. ArduCAM B0290

A set of test leads 2x4 (4 signal and 4 GND) with a length of 23cm and 22AWG intended for logic analyzers Saleae

A small WiFi module designed for IoT applications. It can communicate with the motherboard via the I2C or UART interface. DFRobot TEL126

HAT with TB6612FNG engine controller and PCA9685 PWM controller designed for Raspberry Pi minicomputers. The board is equipped with a 40-pin connector characteristic of Raspberry Pi, making it compatible with all minicomputers with this connector. Waveshare Motor Driver HAT

DRV8825 Stepper Motor Driver Carrier is a DRV8825 stepper motor driver that allows you to supply a bipolar current of up to 1.5 A per phase, without using a heat sink. The system can be supplied with voltage up to 45V, in the set there is a heat sink. Polol 2133

Module with 11 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 4311

Module with 11 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 4211