Fingerprint reader module with capacitive sensor. It uses an efficient processor and the IDfinger6.0 algorithm. It ensures quick identification and stability of operation, communicates via the UART interface. DFRobot SEN0348

Monochrome OLED display with a diagonal of 0.91" and a resolution of 128x32 pixels. The display has a built-in SSD1306 controller, communication via the I2C interface. DFRobot DFR0648

Monochrome OLED display with a screen diagonal of 0.96" and a resolution of 128x64 pixels. The display has a built-in SSD1306controller, communication via the I2C or SPI interface. DFRobot DFR0650

Module with a digital temperature and humidity sensor based on the SHT30. Communication via the I2C interface. DFRobot SEN0330

Maxbotix XL-MaxSonar-AE0 Sonar Range Finder MB1300

8-digit, 8-segment LED display module with 16-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0646-R

GPS module with NEO-M9N 92-channel GNSS receiver. The system can receive data from all major positioning systems: GPS, GLONASS, Galileo and BeiDou. It has UART, I2C and SPI interfaces. SparkFun GPS-15733

GPS module with NEO-M9N 92-channel GNSS receiver. The system can receive data from all major positioning systems: GPS, GLONASS, Galileo and BeiDou. It has UART, I2C and SPI interfaces. SparkFun GPS-15712

Module with 4-digit 7-segment display with red digits. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020044

Pololu 12V Step-Up Voltage Regulator U3V50F12

4.3" LCD IPS display with touch screen. The display is equipped with HDMI interface for image display and USB for touch screen. Resolution 800x480 pixels. Waveshare 4.3inch HDMI LCD (B)

The module with a color LCD display with a diagonal of 1.14". It has a resolution of 240x135 pixels and an ST7789 controller. Communication with the module is realized via the SPI interface. Waveshare 1.14inch LCD Module

Bluetooth 4.0 module based on the CSR8635 chip designed for Bluetooth audio applications. The module has a built-in antenna and pins for edge connectors.

Easy-to-use USB-to-Serial adapter based on the CH340G IC from WCH; works with 5V and 3.3V systems and should auto install on most operating systems without the need for additional drivers; uses the CH340G IC to quickly and easily convert serial signals to USB. DEV-14050

Module with ozone detection sensor. It performs measurements up to 10 ppm with a resolution of 0.01 ppm. It has a UART output and an analog output. ZE25-O3

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114

SEN-13314

Velcro ties to keep cables well organized. Lanberg ORG01-MT150-MC6

Universal test lead with LED backlight for Uni-T multimeters. Uni-T UT-L17

DRV8801 Single Brushed DC Motor Driver Carrier