16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601

ATTINY44A-PU

ATtiny44A-PU is a microcontroller from the AVR family in the DIP14 housing, it is equipped with memory: 2 kB Flash, 128 B SRAM, 128 B EEPROM. The power supply voltage is 4.5..5.5 V, the maximum clock speed is 20 MHz.

Evaluation board with built-in AD8232 heart monitor module and components placed in a way allowing effective implementation of medical and fitness applications, configuration of 2 or 3 electrodes

4-wire cable, 10 cm long, with a JST SH-1.0 female plug at both ends

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. Adafruit 2717

N-channel 100 V 8.5 mΩ standard level MOSFET in TO220, TO-220, NXP, RoHS

Module with Hall sensor, allows for magnetic field detection, can be used to measure angle of rotation, displacement, mechanical vibrations, etc. The module has a connector in accordance with the Gravity standard. DFRobot SEN0185

16 MHz chord resonator in a housing with dimensions of 5.0 x 3.2 mm, with two pins.

The FM tuner module with the Si4703 chip allows you to build an FM radio with RDS support. It uses the I2C bus for communication. WRL-12938

The Lanberg power extension cable, converting from IEC 320 C13 to Schuko, provides reliable power for laptops, ICT and RTV devices, characterized by high efficiency and quality of workmanship, satisfying both home users and demanding users who appreciate safety and quality. Lanberg CA-C14E-10CC-0018-BK

BMS protection module designed for 7 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

A long-range RF sub-GHz wireless transceiver module capable of operating in the 433 MHz frequency band. The integrated architecture allows the use of a minimum number of external components with maximum design flexibility. RFM69HW433

Mini Wireless Air Mouse 92-key Keyboard - white. UKB-500-RF

Audio drive-out indicator module comprising two 12-segment LED displays. Powered by 7 to 12 V

 Introducing Adafruit FONA 808 GSM + GPS Shield, an all-in-one cellular phone module with that lets you add location-tracking, voice, text, SMS and data to your project, in Arduino shield format for easy use. Adafruit 2636

Two-axis joystick with 5 kΩ resistance potentiometers that register the position of the X and Y axes. It provides precise motion control in two dimensions, allowing the user to smoothly control connected devices. JH-D202X-R2

Three-axis joystick with 5 kΩ resistance potentiometers that register the position of the X, Y and Z axes. It provides precise motion control in three dimensions, allowing the user to smoothly control connected devices. R300B-M2

Three-axis joystick with 10 kΩ potentiometers that register the position of the X, Y and Z axes. Provides precise control of movement in three dimensions, allowing the user to smoothly control connected devices. JH-D400B-M4

4/8 position control stick with trigger. It has ZIPPY type leads so can be easily integrated into existing designs. Shooter Arcade Joystick