3.5 Jack plug, stereo, with a plastic cover.

Module with EEPROM memory, capacity 512 kbit (64kB). Communication takes place via the I2C interface. The module has 3 jumpers that enable selection of one of 8 addresses. SparkFun SPX-14764

Single high-precision operational amplifier in the SC70-5 housing. STMicroelectronics TSV711ICT

Power cable extension for PC, laptop and server power supplies with IEC 320 C13 to IEC 320 C14 connector. It is 1.8 m long and allows you to provide reliable, uninterrupted power to laptops and other ICT or RTV devices if the power cable is too short. Lanberg CA-C13E-10CC-0018-BK

Pololu 2467

WiFi module based on ESP8266. It has an embedded antenna and 0.96 "OLED display. The module can be programmed in Lua (under NodeMCU firmware control) or in the Arduino IDE. Provides 12 GPIO lines.

Module with the PAM8904 controller designed specifically to control piezoelectric elements. The amplifier operates over a wide frequency range, up to 300 kHz, and allows for gain up to approximately 13 Vpp. Adafruit 5791

Module dedicated to Raspberry Pi, which supports various wireless communication modes, such as LTE-TDD, LTE-FDD, GSM, GPRS and EDGE. With download speeds of up to 10Mbps and upload speeds of up to 5Mbps, this module is perfect for IoT applications such as remote information processing, device monitoring, POS terminals, industrial routers, remote diagnostics and satellite positioning. Waveshare A7670E Cat-1/GNSS HAT

Female terminal block, 3-pin. Pitch 5.0mm. Height 15mm. 2EDGK-5.0-3P. Set of 5 pieces

The USR-IO0440 is an additional input/output module specifically designed to work with USR-M100 and USR-M300 modules. This module allows the system to be expanded with additional analog and digital ports, providing even greater flexibility in managing and controlling devices in industrial applications. With its robust construction and ease of integration, the USR-IO0440 is an excellent complement to the USR-M100 and USR-M300 gateways, enhancing their monitoring and control capabilities. USR-IO0440 

Male terminal block, angled, 5-pin. Pitch 3.81mm. Height 7mm. 15EDGRC. Set of 10 pieces

Laser dust sensor is a digital universal particle concentration sensor,it can be used to obtain the number of suspended particulate matter in a unit volume of air within 0.3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. DFRobot SEN0177

Male terminal block, angled, 3-pin. Pitch 3.81mm. Height 7mm. 15EDGRC. Set of 10 pieces

Category 7 network cable with a length of 1.5 m and S/FTP shielding (foil on each pair and overall braid). Made with 100% copper conductors (CU) and LSZH insulation, it provides a bandwidth of up to 10 Gb/s and supports frequencies up to 500 MHz, making it ideal for fast and reliable network connections. Lanberg PCF7-10CU-0150-S

The Lanberg Cat. 8.1 patch cord with Fluke Passed certification guarantees top quality and reliability, enabling optimal network connections compatible with various networking devices in any environment. Lanberg PCF8-10CU-0100-G

Toggle switch, two-position with cover and LED illumination. It can switch voltage up to 12 V and current up to 20 A

The ultrasonic distance sensor modUS-015 is based on the analysis of the delay of reflection of the ultrasonic wave from the obstacle - the range of the sensor from 2 to 400 cm with an accuracy of 0.3 cm + 1%

Mini Tamiya Plug with 10cm Leads, Male

ACS711EX Current Sensor Carrier -31A to +31A

Toggle switch, two-position with cover and LED illumination. It can switch voltage up to 12 V and current up to 20 A