Module with 16 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4156

Module with 9 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4309

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

IPS 5" round LCD display with touch panel. It is equipped with HDMI for video display and USB Type C for touchscreen. It has a resolution of 1080 x 1080 pixels. Waveshare 5inch 1080x1080 LCD

Module with 5 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 4245

Module with 5 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4345

TS331ILT, Micropower low-voltage, rail-to-rail comparators, SOT-23-5

Module with 5 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 4445

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 SX1276 868 MHz system for LoRa communication, designed for FireBeetle boards. It communicates via the SPI interface. DFRobot TEL0125

Alphanumeric display 16 characters in two rows, content yellow, black background.

DFRobot BLE4.1 Module is a Bluetooth 4.1 module with DA14681 processor with 3.3 V power supply. It is characterized by low energy consumption and advanced energy management system (built-in charging module). DFRobot TEL0120

LoRa radio module with 433 MHz operating frequency. Communication takes place via the UART serial interface. It is supplied with the voltage in the range from 3.4 to 5.5 V. DFRobot TEL0116

COB LED ring, made of aluminum PCB, emits warm white light (2800-3000k) at 12 V DC with a maximum current consumption of 900 mA, offering a wide beam angle of 120 °

COB LED ring, made of aluminum PCB, emits warm white light (2800-3000k) at 12 V DC with a maximum current consumption of 300 mA, offering a wide beam angle of 120 °

COB LED ring, made of aluminum PCB, emits cold white light (6000-6500k) at 12 V DC with a maximum current consumption of 800 mA, offering a wide beam angle of 120 °

COB LED ring, made of aluminum PCB, emits cold white light (6000-6500k) at 12 V DC with a maximum current consumption of 350 mA, offering a wide beam angle of 120 °

Fingerprint reader module with UART interface

The stepper motor driver with the MP6500 system allows the bipolar motor to be supplied with current up to 1.5 A per phase, without the use of a heat sink. The system can be supplied with voltage in the range 4.5 ... 35 V. Pololu 2966

MP6500 Stepper Motor Driver Carrier, Digital Current Control