8-channel module with current analog outputs ranging from 0 to 20 mA. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in a housing that can be mounted on an industrial rail. Waveshare Modbus RTU Analog Output 8CH

TSV612IST, Rail to rail input/output 5V CMOS Op-Amps, micro-power (10uA), GBP=120kHz, dual, Mini SO8

Module with an e-Paper display with a diagonal of 4.26" and a resolution of 800x480 pixels. Thanks to communication via the SPI interface, it allows easy integration with various systems of microcontrollers and single-board computers, including Raspberry Pi. Waveshare 4.26inch e-Paper HAT

Precision amplifier designed to measure the current on the shunt resistor in the SOT23-5 housing. STMicroelectronics TSC101AIYLT

Camera module with Sony IMX219 sensor designed for Raspberry Pi 5 users. It offers a resolution of 8 MP (3280 x 2464 pixels) and a wide viewing angle of 120°. Comes with FPC CSI tape. Waveshare Pi5-IMX219-120

LCD graphic display 128x64, KS0108 LCD controller, NEGATIVE BLUE, LED backlight (white), 1x20 pin header for evaluation boards

LCD graphic display 128x64, KS0108 LCD controller, FSTN, NEGATIVE BLACK, LED backlight (white), 1x20 pin header for evaluation boards

Dual operational amplifier with high gain and low power consumption in the SO8 housing. STMicroelectronics LM2904YDT

Banana-to-banana test lead set with additional alligator clips in red and black provides convenient and versatile connections for multimeters, power supplies, and other measuring devices. Thanks to silicone insulation and safety plugs, it ensures reliability and safe operation in laboratories and workshops.

LCD 2x20, 116x37mm, LED backlight (white), enhanced temperature range, RoHS

A compact module designed for quick integration of IoT capabilities using a cellular network. It offers LTE-M and NB-IoT standards and a range of MicroPython programming resources, the intuitive XBee Studio tool and Digi Remote Manager, enabling remote software updates and monitoring. SparkFun WRL-22329

A set with a measuring module and a probe for measuring the pH of the solution. It is supplied with the voltage of 3.3 to 5.5 V. It has an analog Gravity output interface. DFRobot SEN0161-V2

RF module providing wireless communication compliant with the IEEE 802.15.4 standard. They operate in the 2.4 GHz ISM band and enable local configuration via BLE with the Digi XBee mobile application. They are equipped with the Silicon Labs EFR32MG SoC transmitter and receiver chipset. The range in buildings is up to 60 m, while in open space it reaches up to 1200 m. SparkFun WRL-22630

16 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface, STM, SO8, RoHS

Module with 16 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4256

The 3D pen with support for PLA and ABS filaments is a practical tool for implementing spatial projects at home, at school and in workshops. Thanks to its simple operation and compatibility with popular materials, it is used in education, prototyping and creative projects. The included set of PLA filaments in different colors allows you to start working right after unpacking the device

TSZ182IYST, Very high accuracy (25 µV) high bandwidth (3 MHz) zero drift 5 V operational amplifiers, Mini SO8

Module with 2 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 4442