Black Edition offers adjustable current limiting, over-current and over-temperature protection, and five different microstep resolutions. It operates from 8 V to 35 V and can deliver up to 2 A per coil with sufficient additional cooling. Pololu 2128

Module with a radio receiver operating at 315 MHz for Arduino. DFRobot TEL0075

This is a breakout board for ON Semiconductor’s AMIS-30543 microstepping bipolar stepper motor driver, which features SPI-adjustable current limiting, 11 step modes (from full-step through 1/128-step), back-EMF feedback that can be used for stall detection or optional closed-loop control, and over-current and over-temperature protection. 

Analog pH Meter Pro (SEN0169)

Module with digital barometer BMP581. It enables pressure measurement in the range from 300 to 1250 hPa with an accuracy of ± 5 Pa and communicates via I2C. SparkFun SEN-20171

Keyboard module with five colored buttons. The board is equipped with a Gravity connector and has an analog output. Powered with the voltage of 3.3 V or 5 V. DFRobot DFR0075

WAV files player module. It is based on a DAC converter and an audio amplifier, there is a 3.5 mm audio output on the board. The files are played from the microSD card. Adafruit 94

Module with a button, LED diode and a white cap. DFRobot DFR0029-W

Module with a buzzer (without generator) controlled by a digital interface. It allows you to generate simple sounds by changing the frequency of the control signal. DFRobot DFR0032

Liquid Flow Meter - Plastic 1/2" NPT Threaded, RoHS

4-digit, 8-segment LED display module with 8-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0645-R

4-digit, 8-segment LED display module with 8-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0645-G

LM386 audio amplifier module. It is supplied with the voltage ranging from 4 to 12 V. The set includes an 8 Ω, 0.5 W loudspeaker. DFRobot DFR0064

Single-core, multi-strand wire in black silicone insulation. Thickness 28AWG, length 4m

Module with 4 relays with a maximum switching current of 7 A. Equipped with the ATmega328P microcontroller, it can be programmed in the Arduino IDE. Numato Lab PRLY002

RTL8370N-VB-CG, high-performance 8-port Gigabit Ethernet switch, LQFP128

Adafruit 1906

The module with a TA12-200 current sensor with a measuring range of alternating current up to 5 A. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020027

Module with LSM6DS3 sensor that combines a 3-axis accelerometer and a 3-axis gyroscope. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 105020012

Pre-installed XUbuntu 15.04 or latest version for ODROID-XU3, XU4 and HC1