0-5V to 0-20mA voltage-current converter

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 12 V and a maximum input of 2.5 A to 3.5 A. Pololu 4984

RS232/485/422 to CAN converter enabling conversion and communication between RS232, RS485, RS422 interfaces and the CAN interface. It supports the Modbus RTU protocol, has numerous built-in protections, and the metal housing facilitates installation in an industrial environment. Waveshare RS232/485/422 TO CAN

Small size driver module TB67S279FTG stepper motor powered with 10 ... 47V voltage and working current 1.1A. The controller allows you to control the motor movement up to 7 different resolutions (up to 1/32 of a step). Polol 3098

CP2102 USB to UART Module, USB micro connector

Step-Up converter with an output voltage of 12 to 80 V, an input voltage of 8 to 60 V and a maximum current of up to 20 A

MicroSD memory card reader module with SPI interface. Leads with a pitch of 2.54 mm allow you to place the module, e.g. in a breadboard

USB-RS485/RS422 converter dedicated to industrial applications. It provides communication between USB interface and RS485 and RS422 serial standard. YN-4852

Recorder v3.0 is a module that allows you to record and play sounds. The module was based on the ISD9160FI system, it also has a FLASH memory with a capacity of 2 MB, which allows for recording up to 83 seconds long. The set contains a small loudspeaker on which recorded sounds can be played. Seeed studio 107020029

Adapter for 20/14/10-pin JTAG. It allows to connect the JTAG programmer to a evaluation boards which uses various standards of the programming connector. IDC20, IDC14, IDC10 and JST-XH sockets are available.

PMS7003 is a kind of digital and universal particle concentration sensor, which can be used to obtain the number of suspended particles in the air, i.e. the concentration of particles, and output them in the form of digital interface

Module with 8 relays SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 103020136

USB port isolator based on the ADUM3160 chip. It has a built-in galvanically isolated voltage converter and is powered from the USB port

Module with 2 5 V relays with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL001

Step-Up/Step-Down converter with adjustable output voltage from 0.8 to 33 V, input voltage from 4.5 to 30 V and a maximum current of 5 A. It is equipped with a voltmeter with a display

Module with DC motor driver DRV8876. It can work with motors supplied with the voltage from 4.5 to 37 V and the current consumption up to 1.3 A. Pololu 4036

Module with 8 relays and 10 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL80001