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Audio Analyzer is a module with sound analyzer based on the MSGEQ7 system. It divides the sound into seven frequency bands, and then allows you to read the peak levels of each band. It allows you to measure the sound in the following frequencies: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz and 16kHz. DFRobot DFR0126

7-segment LED display, 1 13.20mm digit, bright green (575nm), 15mcd (10mA), common anode, Pb-free. LED1-AS-B-05211BMG

Small development kit with ATmega32u4 microcontroller. The board has 6 power, 6 analog and 17 digital pins, which makes it have similar capabilities to the Arduino UNO. Compatible with Arduino. Adafruit 3675

Connect your Arduino-compatible to the Internet with this WiFi shield that features the FCC-certified ATWINC1500 module from Atmel. Adafruit 3654

A self-assembly kit that allows you to build a work that follows the line (Linefollower). A set of all electronic and mechanical components needed for construction. A soldering iron will be needed for assembly. D2-5

500-3C soldering tip, round, 3 mm in diameter, for soldering stations, eg Zhaoxin 950, QUICK 203G, YiHua WEP 950.

The board is equipped with ATSAMD21 microcontroller with ARM Cortex-M0 core and SPI Flash memory, GPIO pins and RGB diode. Adafruit 3727

STP80NF10, MOSFET N-channel, 100 V, 0.012 Ω, 80 A, TO-220

128x64 pixel graphic display, STN NEGATIVE BLUE, with white LED backlight. Display based on RA8808 driver compatible with KS0108 with the possibility of control via SPI interface. LCD-EG-128064H-BHW W/B-E6

STD4N20, N Channel MOSFET, 200V, 1.2Ω, 4A, TO-252

MCP1700T-1202E/MB, LDO Voltage Regulators 250mA, SOT89

Coupling for shafts with a diameter of 4 mm. It is made of copper, has a diameter of 12 mm and a length of 18 mm. The set includes 2 pcs. DFRobot FIT523

STKNXTR, Miniature KNX transceiver with voltage regulators, VFQFPN-24

Easy-to-use retractable cable with USB type A plugs and mini-B type, the cable is 73 cm long after being unrolled

NB-IoSIM7000C Arduino NB-IoT / LTE / GPRS / GPS Expansion Shield is an advanced expansion board for Arduino. It has support for SIM cards and NB-IoT cards. Thanks to the GNSS module (Global Navigation Satellite System), it supports GPS, GLONASS, Galileo, QZSS and BeiDou GPS navigation systems. The module is powered by 7 ... 12V voltage. DFRobot DFR0505

VL53L0X ToF Laser Range Finder is a laser distance sensor using the ToF (Time of Flight) measurement technique. The module is supplied with 3.3 ... 5 V voltage and can measure up to 2 m. DFRobot SEN0245

7-segment LED display, 1 digit 7mm, red color (660nm), 9 mcd / seg (10mA), common anode, Pb-free. LED1-AS-B-02811BS

Micro:Mate is an expansion board for the micro: bit development module. It provides six 3-pin connectors with I/O outputs, a 3.5mm audio jack connector and is powered from a 5V microUSB connector. DFRobot DFR0518

7" LCD display with capacitive touch screen. The display is equipped with HDMI interface for image display and USB for touch screen. It has a resolution of 1024x600 pixels. DFRobot DFR0506

Board with goldpin connectors designed for micro:bit sets. It enables connection of a micro: bit set and attaching a module with connectors, eg to a contact plate. Adafruit 3695