An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5372

Module with nitrogen dioxide sensor made in MEMS technology. It allows gas detection in the range of 0.1 to 10 ppm and has an analog output. DFRobot SEN0574

Communication module with CAN-UART converter and USB 1.0 interface. It supports CAN 2.0 protocol and supports SLCAN. It is operated using AT commands. DFRobot TEL0150

Module with 10 addressable RGB LEDs APA102C. Each of the LEDs is independently controlled via the I2C interface, and the line address is modified, so that the modules can be connected with each other. SparkFun COM-18354

7" IPS LCD display with a touch panel. Equipped with a DSI interface for displaying the image and I2C for operating the touch panel. It has a resolution of 800x480 px. Waveshare 7inch DSI LCD (B)

Module with IMX298 sensor that works with all versions of the Raspberry Pi. The sensor used has a 16 MP matrix and allows video recording at resolutions 4640x3472/10fps. ArduCAM B0323

CSI-USB adapter designed for the Raspberry Pi HQ camera. It allows you to connect the camera via a USB interface to UVC compatible devices running under Linux, Windows, MacOS or Android. ArduCAM B0278

Methane sensor module made in MEMS technology. It allows gas detection in the range of 1 to 10000 ppm and has an analog output. DFRobot SEN0565

Module with blue LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0031-B

Analog voltage divider module. It enables a 5-times reduction of the input voltage. DFRobot DFR0051

Module with green LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0021-G

Set for IR communication. It consists of an IR receiver module and a remote control. DFRobot DFR0107

The adapter allows you to charge laptops with a 4.8x1.7 mm connector using a USB-C PD charger. The user can charge different devices with one power supply, making everyday use easier. The adapter has a maximum power of 100 W (depending on the power supply) and is compact, which makes it easy to carry. Make sure the power supply has the appropriate power before using the adapter. Akyga AK-ND-C13

The USB-C adapter allows you to charge older Lenovo laptops with a 7.9x5.5 mm connector using a modern USB-C PD charger. This is an ideal solution for replacing old power supplies and makes it easy to power different devices with one power supply. Make sure the power supply you are using has the appropriate wattage before use. Akyga AK-ND-C12

Non-contact liquid level sensor. It allows you to detect liquids without the need to immerse the sensor in the liquid. Digital output. DFRobot FIT0212

The adapter allows you to charge DELL laptops with a 4.5x3.0 mm connector using a USB-C PD charger. It is compact, easy to use and allows charging at up to 100W, if the power supply allows it. Before use, it is worth making sure that the power supply has the appropriate power. Akyga AK-ND-C10

Module with liquid level sensor. The set includes a current-voltage converter that generates an analog signal. DFRobot KIT0139

An efficient step-down converter that reduces the input voltage to 5 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 5 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5363