The board allows you to attach cables to the microSD / TF card line. Supply voltage from 2.7 to 3.6 V. Polol 2597

The module with the MCP96L01 amplifier designed to work with a thermocouple type K, J, T, N, S, E, B, or R. It has a screw connection for connecting a thermocouple and communicates via I2C. Adafruit 5165

Module with 6 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 4406

Industrial router for IoT and M2M applications, equipped with dual SIM slots with automatic switching between operators. The device supports WiFi, 4G/LTE, 3G and 2G networks, as well as VPN protocols such as IPsec, OpenVPN and GRE, ensuring security and continuity of work. IP30 metal housing, five Ethernet ports (including two WAN), watchdog functions and EMC protection ensure stability and versatility in harsh industrial environments. PUSR USR-G805s

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0517

Hard disk frame HDD 2.5" in place of DVD Slim 13mm. Akyga AK-CA-56

The VCNL4200 sensor module combines distance detection and ambient light measurement, ideal for applications such as robotics and home automation. Thanks to infrared technology, the detection range is up to 1.5 meters, and the built-in ALS sensor allows you to measure light intensity in the range of 0.003 to 1570 lux, making it a versatile solution for monitoring lighting conditions. Adafruit 6064

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0516

The module protects the load against reverse polarity to -60 V, but does not block reverse current, which is desirable in applications such as motor control. It uses the LM74500-Q1 controller and a MOSFET transistor. Thanks to its low impedance (3 mΩ), it supports currents up to 20 A continuous and 50 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5386

SIM7000E NB-IoT HAT is a module that extends the capabilities of Raspberry Pi for communication via GSM / GPRS cellular networks based on Simcom Sim7000E. It has support for NB-IoT, eMTC, EDGE, GPRS and GNSS. Waveshare SIM7000E NB-IoT HAT

Module with 1 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4441

Module with 1 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4401

RGB LED strip controller with WiFi communication. It enables remote control of multi-colored strips with diodes powered with voltage from 5V to 28V using a mobile application. SL-LC01

The USR-G806w-E industrial router provides a stable 4G LTE connection and Wi-Fi support, ideal for harsh industrial environments and compatible with 4G, 3G and 2G technologies. With VPN support and a firewall function, the router offers a high level of security, and its solid construction allows operation in temperatures from -40 ° C to + 70 ° C, making it suitable for automation and IoT systems.

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0150-Y

Quectel M66 is a compact GSM/GPRS module in an LCC package with support for voice transmission, Bluetooth, and OpenCPU, designed for IoT, remote monitoring, and M2M systems. It enables easy integration in devices with limited space and low power consumption.

A module that provides galvanically isolated, bidirectional I²C communication and isolated power supply, protecting devices from misconnections and voltage differences. Thanks to the TI ISO1640B device, it supports data transfer up to 1.7 MHz, and the power supply isolation via MPS MIE1W0505BGLVH eliminates ground loops and interference. Pololu 5392

Module with 12-bit DAC converter and built-in EEPROM memory. The module is supplied with the voltage from 2.7 to 5.5V, the I2C interface is used for communication. SparkFun BOB-12918

An efficient step-down converter that reduces the input voltage to 12 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<50 μA). It supports input voltage from 12 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 5377