NE555 pulse generator module with adjustable frequency

Pcam 5C: 5 MP Fixed Focus Color Camera Module with Omnivision OV5640 5 megapixel (MP) color image sensor which includes various internal processing functions, incl. automatic white balance, automatic black level calibration, and controls for adjusting saturation, hue, gamma and sharpness. Digilent 410-358

RT8289GSP, 5A, 32V, 500kHz Step-Down Converter, SOP-8

Module with PDM microphone. It allows you to receive a sound signal and send it using PDM modulation. Adafruit 3492

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

7" LCD display with capacitive touch screen. The display is equipped with HDMI interface for image display and USB for touch screen. It has a resolution of 1024x600 pixels. DFRobot DFR0506

A module with an EMG sensor that detects the activity of human muscles and neurons. Generates an analog signal in the range from 0 to 3 V on the output, it does not require the use of a conductive gel. DFRobot SEN0240

Gravity: Analog TDS Sensor / Meter is an analog water purity measurement module. It is powered by 3.3 ... 5.5V voltage and has an analogue output interface. Module compatible with Arduino. DFRobot SEN0244

Module with an analog sound intensity sensor. It enables measurement in the range from 30 dB to 130 dB with a measurement error of ± 1.5 dB. The module returns the output voltage in the range of 0.6 to 2.6 V. DFRobot SEN0232

The module with the SX127x 433 MHz system for LoRa communication, designed for FireBeetle boards. It communicates via the SPI interface. DFRobot TEL0121

Gravity: IO Expansion & Motor Driver Shield is an Arduino compatible expansion board that provides digital I / O ports, analog I2C, SPI and UART interfaces, as well as a DC motor driver. DFRobot DFR0502

Set with a measuring module and a probe for measuring the pH of wet soil and food products. The module is powered with the voltage of 5 V and has an analog output with a voltage range from 0 to 4 V. DFRobot SEN0249

Radio module with operating frequency of 433 MHz. Communication takes place via the UART serial interface. It is supplied with the voltage in the range from 3.3 to 5 V. DFRobot TEL0114

LoRa MESH Radio Module is a radio module with an operating frequency of 868MHz. Communication with the module takes place via the UART serial interface. It has a range up to 3km. It is supplied with voltage in the range of 3.3-5V. DFRobot TEL0117

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

Radio module with 868 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 TEL0115

IoT DFRobot Gravity UART OBLOQ module for working with Microsoft Azure. DFRobot TEL0118