Step-Down converter D36V50F6 with an output voltage of 6 V, an input voltage from 6.5 to 50 V and a maximum output current of 8 A. Pololu 4092

Module with LCD display 16x2 characters with black text and red backlight. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 104020112

Module with LCD display 16x2 characters with white text and blue backlight. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 104020111

TCS34725 RGB Color Sensor is a color sensor TCS34725 controlled by the I2C interface. It is powered by voltage in the range of 3.3 ... 5V and is intended for Arduino-compatible boards. DFRobot SEN0212

Adafruit 502

RGB backlight positive LCD 16x2 + extras - black on RGB. Adafruit 398

Set for speech recognition compatible with Arduino. It consists of the Base Shield V2 expansion module, the voice command recognition module, the audio module and the necessary accessories. Seeed Studio 110020108

Module with a 3-axis H3LIS331 accelerometer with a wide measurement range up to ± 400g. It communicates via the I2C or SPI interface. SparkFun SEN-14480

Adafruit 402 - In-line wire 1-to-4 splitter

A set of RFID tags consisting of three key rings in different colors and two white cards. The tags operate at 125 kHz and comply with the EM4100 standard. Seeed Studio 110990035

Module for high temperature measurement with a range from -200°C to 700°C dedicated to a probe with a K-type thermocouple. Communication via SPI. SparkFun SEN-13266

Module with 1 QTR type optocoupler with RC (digital) 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 4141

32-bit ARM Cortex-M3 microcontroller, 16 kB flash, 4 kB SRAM; HVQFN33

Non-contact temperature sensor with a measuring range from -70 to 380°C. It uses infrared waves and has a current output. DFRobot SEN0264

This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 9 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output.

32bit ARM Cortex-M0, 24K Flash, 8K RAM, LQFP48, RoHS