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Module with 6 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4106
Module with the 3-channel distance sensor OPT3101. The sensor has a range of up to 1 m, a wide viewing angle of up to 180° and communicates via the I2C interface. Pololu 3412
Li-Po battery 3.7V / 750mAh, PCM protection, connector 2 pins, cable length 150mm. Akyga LP403450
A set for building a smartwatch based on the micro: bit educational module. It consists of an expansion board and a strap
Step-Down converter D36V28F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 4.5 A. Pololu 3781
LiPo 3.7 V battery charger module with USB type C socket. SparkFun PRT-15217
Electric drill / high-speed grinder (10000..32000 rpm), power 135W, 230V power supply. Includes a suitcase and 162 elements in a practical suitcase
Module with black and white e-Paper display, 5.83" diagonal and 648x480 px resolution. Communication via SPI interface. Waveshare Pico-ePaper-5.83
Dual DC motor controller designed for Arduino, which enables the motor to be supplied with voltage in the 4.5 ... 28V range and power consumption in continuous operation of 2.6 A (5A at the top) of two DC motors. Polol 2520
Step-Down converter D36V50F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 9.5 A. Pololu 4090
Espruino module with Bluetooth LE based on MDBT42Q system with Nordic Semiconductor nRF52832 microcontroller. The module has a pre-installed JavaScript interpreter. Adafruit 3876
Digital microscope with 4.3" LCD display and MicroSD slot. It features a 2 MPx image sensor with a magnification factor of up to 220 times. Andonstar AD106
Development board with SAMD21 microcontroller (ARM Cortex® M0+), 22 I / O lines, 12 PWM, UART interfaces, I2C, SPI. The board is equipped with the UBLOX SARA-R410M-02B module enabling the implementation of communication in NB IoT networks. Arduino MKR NB 1500 ABX00019
A set for building a 6-legged walking robot controlled by a mobile application. Totem TKR-LDB
A set of connectors with a crimper in the cassette. The tool is used for crimping non-insulated connectors AWG 22-18 / 16-14 / 10-8, has the option of cutting wires and removing insulation
INA169 current sensor module. The system can be supplied with the voltage from 2.7 V to 60 V and has an analog output. SparkFun SEN-12040
USB port isolator based on the ADUM3160 chip. It has a built-in galvanically isolated voltage converter and is powered from the USB port
The analog panel voltmeter measures voltage in the range of 0..30 V. Measuring accuracy class: 2.5. Compliance
Charger module with a basket for a CR123A battery dedicated to micro:Maqueen robots. DFRobot FIT0611
Module from the ESP32 series, combining a powerful microcontroller, Wi-Fi and Bluetooth 4.2 BLE. ESP-WROVER-B has a built-in PCB antenna, a large number of GPIO lines and small dimensions. Adafruit 3979