A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5446

An integrated data acquisition module that includes functions such as data display, automatic sensor recognition and calibration, data storage, RTC clock and data conversion to make data acquisition more convenient and efficient. DFRobot DFR0999

Allegro\'s TMR sensor module enables precise, non-contact current measurement without breaking the circuit. It offers high sensitivity, low power consumption, an analog output proportional to the magnetic field, and a threshold detection (FLAG) function. Its compact design, AC/DC support, and easy installation make it ideal for energy-efficient and safe current monitoring systems. Pololu 5355

Module with five TCRT5000 reflective sensors. Powered with 5 V, it has analog outputs. It can detect objects at a distance of up to 15 mm

Waveshare 29369 is a 13.3-inch DSI display with Full HD resolution and a capacitive touch panel supporting 10 touch points, designed for advanced user interfaces in Raspberry Pi-based systems. Its sturdy construction, high resolution, and wide compatibility make it a suitable choice for multimedia, industrial, and educational applications.

The Wio RP2040 module is an advanced Wi-Fi chip designed for IoT projects. Equipped with a powerful Raspberry Pi RP2040 processor and an ESP8285 Wi-Fi chip, it provides stable wireless connectivity. It is compatible with popular programming environments such as C/C++ and MicroPython. SeeedStudio 102991556

Module with PIR S16-L221D motion sensor. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020353

Step-down DC-DC converter module that converts a 12 V or 11.1 V output voltage (e.g. from a lithium battery) to a voltage in the range of 1.8 V to 5.1 V. It has a power output of up to 60 W, and with an output current of up to 18 A, the module can be used to power a 5 m WS2812 RGB LED strip. DFRobot DFR1025

MS-DIP/PLCC4 PCB, for SMD PLCC16 - PLCC84

The Step-Down panel-mounted converter module enables precise regulation of input voltage (6V-70V) and output current (0-5A), with a maximum output power of 300W, conversion efficiency up to 95%, and short-circuit and anti-reverse connection protection. The device, with dimensions of 120mm x 64mm x 72mm, is equipped with continuous regulation functions, with a resolution of 0.01V for voltage and 0.001A for current, and operates in a temperature range of -10 to +75 degrees Celsius.

A set for building a weather station equipped with a rainfall sensor and a wind speed and direction meter. SparkFun SEN-15901

A compact ESP32-based LED driver with WiFi and Bluetooth support, designed to work with WLED software. It allows you to control RGB lighting and animations, offers two 5V logic outputs, and a built-in I2S microphone that responds to sound. Power is provided via USB Type-C (5V/4A) with an automatic fuse, ensuring stable operation, and the Stemma QT I2C connector allows for easy connection of additional modules. Adafruit 6314

Module with 17x7 LED matrix display (119 LEDs) designed to work with the Raspberry Pi. It uses the IS31FL3731 driver and communicates via the I2C interface. Pimoroni PIM335

Audio amplifier module with three output channels. It can be powered with the voltage from 12 to 18 V and has two outputs with a power of 10 W (left and right) and one with a power of 20 W (bass)

Vibration sensor with analog output. It is able to detect a wide range of vibrations. It can also be used for impact detection. 801S

5" AMOLED display with touch screen. Equipped with HDMI interface for image display and USB for touch screen. Resolution 960x544 pixels. Waveshare 5inch HDMI AMOLED

The protection circuit for one Li-Ion cell with a voltage of 3.7 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 8 A

Module with 17x7 LED matrix display (119 LEDs) designed to work with the Raspberry Pi. It uses the IS31FL3731 driver and communicates via the I2C interface. Pimoroni PIM336

The USB Step-Up converter module in the housing allows you to adjust the voltage in the range of 3.5-15V to 0.5-30V, with a maximum current of 2A and a power of 15W. The device is characterized by high precision, voltage resolution 0.01V, current resolution 0.001A, voltage accuracy 0.3% and current accuracy 0.5%, and can operate in temperatures from -40°C to 85°C.

Module with a button and green LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-G