AV to HDMI converter

Audio expansion module with CS4344 24-bit DAC converter. Numato Lab EXPAUD002

Module with SGP30 gas sensor. The sensor communicates via the I2C interface. SGP30 system contains several elements reacting to various metal oxides, which allows for more accurate determination of air quality. Adafruit 3709

SD and microSD memory card reader module. It communicates via the SPI interface. DFRobot DFR0071

Data logger pre-programmed to automatically record data from IMU, GPS and Qwiic series sensors. SparkFun DEV-16832

The GY-BMP280 is an atmospheric pressure sensor module. It allows measurement in the range of 300 ... 1100 hPa with an accuracy of 1 hPa. The sensor uses I2C or SPI bus

A volume sensor designed to detect loud ambient sounds. The module uses a microphone and LM2904 amplifier. The output value (analog signal) depends on the volume of the detected sound. In order to eliminate interference, the microphone signal is subjected to double filtering. Seeed studio 101020063

Module with a bistable button and yellow LED backlight. The board is equipped with a Gravity connector and communicates via a digital interface. DFRobot DFR0785-Y

Stereo audio isolator based on two transformers. It allows to eliminate noise in the audio path resulting from different ground resistances of the sound source and the receiver. XH-M372

Class A power amplifier with one channel (mono) with the power of 10 W. Built on the popular design of J. Hood from 1969

HDMI-USB adapter dedicated to video capture and transfer to devices with a USB Type A connector. It supports resolutions up to 4K with a refresh rate of 30 Hz. Waveshare HDMI to USB3.0 Adapter

16-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector at the top. Numato Lab GP160002

The SD3031 precision real-time clock (RTC) module. It has an integrated quartz resonator, on-board SRAM and communicates via an I2C interface. DFRobot DFR0998

Step-Down converter with adjustable output voltage from 1.25 to 36 V, input voltage from 4 to 38 V and maximum current up to 5 A. Board equipped with a voltmeter with display

Extension module compatible with Raspberry Pi. The board is equipped with three 24 V 2 A relays, three buffer inputs, three sink outputs and three analog inputs with a working range up to 24 V. Pimoroni PIM213

The MQ-6 sensor allows the measurement of LPG, propane and isobutane. The measuring range of the sensor is in the range of 300 - 10.000 ppm, while the output receives an analog signal.