Module with 13 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 4113

LED strip with addressable RGB WS2813 diodes on a white PCB. It is powered by 5 V DC, has a length of 1 m and 144 LEDs/m. Protection level IP30

Stepper motor driver based on TB67S249FTG. It allows you to control a stepper motor with voltage from 10 to 47V, with a maximum current of 1.8A. The controller can be controlled using: USB, Serial TTL, I2C, RC (PWM modeling), analog input or quadrature encoder. Pololu 3138

Module with red LED diode and potentiometer. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 104030005

Temperature and humidity sensor SHT20 closed in a waterproof housing. Communication via the I2C interface. DFRobot SEN0227

360-degree laser scanner (LIDAR) with a range of up to 10 meters and a measurement frequency of up to 12 Hz. LIDAR X4

Adapter from male RCA connector to terminal spring connector

White LED strip with SMD 5050 diodes. It is powered by 12 V DC, has a length of 5 m and 60 LEDs/m. Protection level IP21

Module with 13 QTRX type optocoupler with analog 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 4453

RGB LED strip with SMD 5050 diodes. It is powered by 12 V DC, has a length of 5 m and 60 LEDs/m. Protection class IP65 (waterproof)

Voltage-to-current converter module designed for devices with a current signal input. It allows you to linearly convert voltage signals from 0 to 5 V into current signals from 0 to 20 mA

It has 10 segments, one can be highlighted in red, one in yellow, one in light green, the rest in green. This type of display can be used to indicate battery charge, liquid level in the tank, volume etc. Seeed Studio 104020006

The module with 4 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 10 A or a voltage of 28 V DC and a current of 10 A. M5Stack U097

Module with a temperature sensor designed for the M5Stack sets. It allows you to measure high temperatures. The set includes a K-type thermocouple probe. M5Stack U133

Module with LCD IPS display, 1.14" diagonal and 240x135 px resolution. Communication via SPI interface. Waveshare Pico-LCD-1.14

Cap for Xbee and Arduino. It has been designed for wireless sensor networks such as WiFi, Bluetooth 2.0 / 4.0 and Zigbee. DFRobot DFR0015

The module with 2 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 8 A or a voltage of 28 V DC and a current of 8 A. M5Stack U131

Module with a light intensity sensor BH1750FVI dedicated to the M5StickC sets. It communicates via the I2C interface. M5Stack U134

MH-Z16 carbon dioxide sensor with Grove connector. It communicates via the UART interface. Seeed Studio 101020067

USB adapter designed for XBee modules. It can be connected to a computer with a USB cable and used with the X-CTU software to configure the XBee. DFRobot DFR0174