The S9V11F5 switching step-up/step-down regulator efficiently produces 5V from input voltages between 2V and 16V. Pololu 2836

Module with 5 colored buttons. Each button is powered independently and has an output informing about its status

Gravity module with a fingerprint reader (capacitive sensor). It uses an efficient processor and the IDfinger6.0 algorithm. It ensures quick identification and stability of operation, communicates via the I2C interface. DFRobot SEN0359

RPLIDAR A2M8 R4 (LIDAR) laser scanner 360 degrees, 10 Hz, 4000 measurements / second, range up to 12 m, measurement error at the level of 0.1%, safe for eyesight. DFRobot DFR0445

Kit with LEDs, battery, needles and conductive thread that allows you to sew LED lighting into clothes. SparkFun DEV-11590

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

The motor driver card can drive 24 servo motors at most. It can be used to drive a multiple-joint robot machine, such as Hexapod Robot, Biped Robot, and Arm Robot. P0288

BOB-13263

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

2.8" TFT LCD display with touch screen. The display is equipped with an SPI interface for image display and touch screen operation. It has a resolution of 320x240 pixels. Waveshare 2.8inch RPi LCD (A)

Wireless, precise temperature sensor with high accuracy with built-in recorder. Works with thermoelectric sensors type K, J, T, N, E, B, S and R

DS3231 Precision RTC FeatherWing adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO) to any Feather main board. Adafruit 3028

Gravity: UART Infrared CO2 Sensor is a high precision CO2 sensor. It uses the UART interface for communication. It allows to measure CO2 content in the air in the range of 0 ... 50000ppm. DFRobot SEN0220

Module with real time clock (RTC) PCF8523 dedicated for minicomputers Raspberry Pi. It communicates via the I2C interface. Adafruit 3386

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

Ultrasonic distance sensor with a range of up to 5 m with an analog output The module is supplied with the voltage from 3.3 to 5.5 V. DFRobot SEN0307

Module with a 3-axis analog MMA7361 accelerometer. There are 3 Gravity connectors on the board (for each axis). The operating range of the sensor can be configured using a DIP switch. DFRobot DFR0143

IPS 7.9" LCD display with touch panel dedicated for Raspberry Pi. It is equipped with DSI interface for image display and I2C interface for touch screen. Resolution 400x1280 pixels. Waveshare 7.9inch DSI LCD

Module with PM2.5 HM3301 dust sensor. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020613

Module with a PIR motion sensor. It can detect movement up to 7 meters with a detection angle of 100 degrees. DFRobot SEN0171