Module with 1 QTR type optocoupler with RC (digital) 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 4141

The GPS module allows you to download the current coordinates of position and time, has a built-in GPS receiver FGPMMOPA6H. MOD-54

Compact LoRa communication module for Meshtastic networks and custom radio applications, equipped with an ESP32-C6 microcontroller, SX1262 transceiver and 0.66" monochrome OLED display. It supports the 868-923 MHz frequency range and 2.4 GHz WiFi 6, and also includes a buzzer, programmable RGB LED, user button and HY2.0-4P expansion connector. M5Stack U202 Unit C6L

Module with a 3-axis magnetometer BMM150. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020492

3.5 inch Touch Screen TFT LCD Designed for Raspberry Pi, 320×480 resolution. Waveshare 3.5inch RPi LCD (A)

The industrial cellular router provides 5G SA/NSA connectivity with backward compatibility for 4G LTE Cat 20 and 3G networks. Dual SIM, five Gigabit Ethernet ports, dual-band Wi-Fi, GNSS, and automatic failover support industrial, IoT, and redundant network applications. Teltonika RUTX50

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered from 12 to 26 V and has two 120 W outputs. XH-M543

Cap for use with shallow Feather series, with radio module RFM95W 900MHz. It offers a range of up to 2 kilometers (the range can be increased by using an external antenna). It has a SPI interface. Adafruit 3231

Large Carrier version current sensor from Pololu, model 5277, based on the ACS72981KLRATR-150B3 IC, designed for measuring current in the range from -150 A to +150 A at a 3.3 V supply in applications requiring galvanic isolation and analog output. Pololu 5277

A step-down converter that reduces the input voltage from 8.4V to 60V to a stable 8.4V with up to 95% efficiency and up to 8.4A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5575

The MEAN WELL IRM-20-3.3 is a reliable 3.3 V AC/DC power supply module with comprehensive protections, designed for PCB integration in electronic devices. Suitable for applications requiring compact design and stable low-voltage power output.

A step-down converter that reduces the input voltage from 12V to 60V to a stable 12V with up to 95% efficiency and up to 4.5A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5577

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0300-B

OS Preinstalled Flash Memory with Linux

The module is based on the Si4703 FM tuner system. Supports wave reception in a wide frequency range from 76 to 108 MHz. It allows you to read RDS information. SparkFun BOB-11083

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-1000-G

Camera module 0.3 Mpx and with OV7251 sensor working with Raspberry Pi. The maximum video resolution is 640 × 480 pixels, without the IR filter. ArduCAM B0206

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-1000-B

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-1000-R