LCD 2x20 display with LED backlight (WHITE), 116x37 mm, FSTN positive (goldpins)

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

LCD 2x8 display, PCB 58x30 mm, LED backlight, extended temperature range, "fast" 1-LED 20mA AMBER cyrillic

Module with 25 QTRX 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4325

Module with 7 QTR 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 4247

Adafruit 364

Module with 3-color e-Paper display with a diagonal of 2.13" and a resolution of 212x104 px. Communication via the SPI interface. Waveshare Pico-ePaper-2.13-B

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 a heart rate sensor and the SpO2 level dedicated to micro:bit. It is based on the MAX30102 chip and communicates via the I2C interface. SparkFun SEN-15271

A set for building a simple electronic watch worn on a wrist. It consists of an electronic board, a housing and a strap. SparkFun KIT-11734

A small self-assembly module that is used to learn numbers in binary code. It allows you to get acquainted with the bit representation of numbers by having fun. SparkFun KIT-12037

XBee adapter with pads with holes for sewing the module to clothes and fabrics. SparkFun DEV-12921

Module with a Coulomb counter based on the LTC4150 system. It allows you to measure the flow of electric charge in the device. SparkFun BOB-12052

Power adapter with ATX computer connector and banana sockets with 3.3 V, 5 V, +12 V and -12 V voltage outputs. Mounting kit. SparkFun KIT-12867

Audio module with Jack (TRS) connector and THAT 1206 balanced line receiver. Offers low distortion and high attenuation. SparkFun BOB-14002

RGB LCD display module with 0.96 "diagonal, 160x80 pixel resolution, SPI interface, LED backlight. Waveshare 15868

Module with LCD TFT display with a diagonal of 1.8" and a resolution of 160x128 px, equipped with a microSD slot. Communication via the SPI interface. SparkFun LCD-15143

Soil moisture sensor dedicated to micro:bit. It is supplied with the voltage from 3.3 V to 5 V and communicates via an analog signal. SparkFun SEN-15272

Air quality sensor module based on the SGP40 system. It communicates via the I2C interface. DFRobot SEN0392

Data logger dedicated to micro:bit. It connects to the module via the UART interface and allows you to save data on a microSD card. SparkFun DEV-15270