Module with 7 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 4247

The GPS receiver is equipped with a GP-735T module. It is supplied with the voltage from 3.3 to 5.5 V and communicates via the UART interface. SparkFun GPS-13670

Advanced expansion board for Arduino. It has support for mini-SIM cards and NB-IoT cards. Thanks to the GNSS module (Global Navigation Satellite System), it supports GPS, GLONASS, Galileo, QZSS and BeiDou GPS navigation systems. The module is powered by 7-12V voltage. DFRobot DFR0572

This step-down converter module allows you to reduce the voltage from 5-60V to a stable 5V at a current of up to 11A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5671

The module with the IMX230 sensor, working with all versions of the Raspberry Pi. The sensor used has a matrix of 21 MP and allows you to record video at resolutions of 5344x4012/9fps. ArduCAM B0324

The UART-USB converter built on the FTDI FT232RL chip. Compatible with 3.3V and 5V voltages. DFRobot DFR0065

A set with a radio transmitter and receiver operating at 433 MHz. The modules are equipped with Gravity connectors and communicate via a digital interface. DFRobot TEL0140-1

Module with an analog gas sensor. It allows you to measure the concentration of NO, NO2 and H2. DFRobot SEN0441

STM32G474VET3, ARM Cortex-M4 core microcontroller, 512 KB Flash, 128 KB RAM, 170 MHz CPU, LQFP100

Module with PM2.5 dust sensor. The board is equipped with a Gravity connector and communicates via the I2C interface. DFRobot SEN0460

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

Compact board for controlling RGB and white LED strips, allowing easy connection without the need for soldering. With WS2811F and N-channel FETs, it supports up to 3A of current per channel, making it ideal for high-current LED strips, but does not support RGBW strips. Adafruit 5888

This step-down converter module allows you to reduce the voltage from 12-60V to a stable 12V at a current of up to 9A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device has built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5677

Ultrasonic distance sensor with a range of up to 5m. Communication takes place via the I2C interface. The module is supplied with the voltage from 3.3 to 5.5 V. DFRobot SEN0304

Camera with OV9782 sensor designed for DepthAI systems. It is a replacement element for DepthAI OAK-D modules. ArduCAM B0352

Camera module with IMX219 sensor with a resolution of 8 MP equipped with programmable focus. Designed for NVIDIA Jetson Nano and Raspberry Pi Compute Module. ArduCAM B0181

TDA7393, 2x32W Dual bridge audio car amplifier, MULTIWATT15

Module with the SX1276 868 MHz system for LoRa communication, designed for FireBeetle boards. It communicates via the SPI interface. DFRobot TEL0125

Module with 13 QTRX 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 4453