Pololu 5242 with the ACS71240KEXBLT-050B3 chip is a compact current sensor module for precision measurement applications in the ±50 A range. With galvanic isolation, fast response to current changes, and short-circuit detection capability, it is used in power systems, automotive and industrial electronics, and embedded projects. It is ideal for measuring currents in both DC and AC circuits while ensuring safety and accuracy.

A simple adapter with a microUSB type B connector for goldpin with a 2.54 mm pitch. Perfect for use with a breadboard. SparkFun BOB-12035

Module for 4 mechanical buttons with LED backlight in the form of NeoPixel diodes. Communicates via I2C. Adafruit 4980

A 12.3MP camera module based on the Sony IMX378 sensor and fully compatible with the Raspberry Pi (including the Pi 5, 4, 3, Zero, and Compute Module). It offers a 4056 x 3040 px image and a wide 82.4° viewing angle with an IR-cut filter, making it ideal for industrial applications, surveillance, and AI projects. With a bright lens and ready-to-go functionality, the camera delivers high image quality even in low light. ArduCAM B0412

MCS51, 25MHz, 16KB Flash, 10-Bit ADC, USB, 32LQFP, Silicon Laboratories, RoHS

Pololu Micro Maestro 1350 is a compact, versatile servo controller with a USB interface and autonomous operation capability, designed for use in robotics, animatronics, and control systems based on PCs or microcontrollers. Thanks to its flexible channel configuration, it can also be used as a sensor interface and I/O expander.

This camera features a 2048x1536 px sensor and a rolling shutter, designed to interface with microcontrollers via an SPI interface. Its low power consumption (<200 mW), fast wake-up time (42 ms), and support for multiple platforms (Arduino, STM32, ESP32) make it ideal for IoT, monitoring, and automation projects. Simple API commands, the ability to connect up to four cameras, and an open SDK make it a universal tool for engineers and hobbyists. ArduCAM B0400

Module with a digital distance sensor with a range of up to 15 cm. It has a digital output that goes low when an object is detected. Pololu 4054

The expansion module (shield) is designed for Feather nRF52840 boards. It enables easy connection of 16x32, 32x32 and 64x32 matrix displays. Requires self-assembly. Adafruit 4702

Module with a digital temperature and humidity sensor based on the SHT30. Communication via the I2C interface. DFRobot SEN0330

ARM7TDMI, 512kB Flash (ISP), 32kB RAM, USB 2.0, ADC, DAC, 2xUART, 2xI2C, SPI, LQFP64, RoHS

Module with a digital temperature and humidity sensor based on the SHTC3 system. Communication takes place via the I2C interface. SparkFun SEN-16467

Monochrome OLED display with a diagonal of 0.91" and a resolution of 128x32 pixels. The display has a built-in SSD1306 controller, communication via the I2C interface. DFRobot DFR0648

An advanced 5MP camera with an SPI interface, it boasts low power consumption, high image quality, and broad compatibility with popular microcontrollers such as Arduino, ESP32, STM32, and RISC-V. This model is equipped with an M12 NoIR lens with manual focus, enabling image capture at night and in low-light environments. An open API and MIT-licensed SDK make the camera ideal for IoT systems, industrial automation, educational, and environmental projects. ArduCAM B0437

Air quality sensor module PMSA003I. It allows for a precise analysis of the amount of pollutants in the environment based on the concentration of PM1.0, PM2.5 and PM10 particles. Adafruit 4632

Monochrome OLED display with a screen diagonal of 0.96" and a resolution of 128x64 pixels. The display has a built-in SSD1306controller, communication via the I2C or SPI interface. DFRobot DFR0650

Module with acceleration and rotational speed sensor based on the MPU-6050 system. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 3886

Single-channel DC motor driver with an operating voltage from 10 to 45 V and a continuous current up to 40 A. It can be controlled by an analog signal, PWM, UART, RC or by means of built-in buttons. Cytron MDS40B

Shield with dual-channel DC motor driver for Arduino. It has an operating voltage from 7 to 30 V and a continuous current of up to 1.2 A. It can be controlled by a PWM signal or by means of built-in buttons. Cytron SHIELD-3AMOTOR