The ring has sixteen RGB WS2812 diodes, controlled by means of serial signals. The module can be supplied with voltage from 4-7V, only one signal line is required to control it. NeoPixel Ring 16 x WS2812

The Microchip system in the DIP8 housing, a dual driver, allows the MOSFET transistors to be controlled with a high switching speed. The controller is characterized by low power consumption, high current efficiency when loading eg gate capacity, or ESD resistance up to 4kV

INEMO system: 3D accelerometer and 3D gyroscope in LGA16L housing, made by STMicroelectronics. Allows measurement of acceleration up to 16g and angular velocity up to 2000 degrees / second, communication takes place on the I2C / SPI bus

Tilt Sensor

USB splitter allowing to connect up to 4 USB devices. It has a cable with a length of 80cm, a power indicator and the possibility of powering from an external source with a microUSB connector

The Texas Instruments H-bridge allows control of two DC brush motors or one stepper motor. The supply voltage of the motor is in the range of 0-11V, maximum current efficiency 1.5A / bridge. The system has a 12WSON housing

Red mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

Brown mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

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

Red mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

Brown mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

Transparent mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

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

Red laser diode module with 5mW power, displaying intersecting lines. Ideally suited to the construction of the laser level, and thanks to the built-in driver, it is possible to power 3 - 5V. LD-G650A03 - Cross

The module with A3244 Hall sensor and comparator allows you to detect the presence of a magnetic field. It can be used for applications such as rotation detection, position monitoring and alarm systems

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