Shown with its more robust brother, the Arduino UNO R4 Wi-Fi, this is the true successor of the third version of the UNO family! The Arduino Uno R4 Minima is the choice for anyone looking to upgrade to new processing power, more advanced than the previous version, without compromising the form factor.

Infrared Obstacle Sensor E18-D80NK

Simulate a fully smart home with Arduino? With 14 small sensor modules, the Keyestudio Smart Home Kit for Arduino allows detailed monitoring of various home parameters. a real house, such as opening/closing windows and doors, measuring light and toxic gas levels, automating lighting and sockets; the sky is the limit!

This RS232 shield is designed for the Arduino controller and can easily convert UART to RS232 interface.

The BLE shield has the function of adapting low-power Bluetooth as a serial port , which are specifically designed for Arduino boards and compatible boards, simple to use, simply connect and a ready is ready to be used.

This 4-digit 7-segment shield has 5 buttons that can be used as menu selection buttons or control buttons, using I2C to conduct the digital call.

Shield of relays for Arduino, with 2 channel mechanical relays and with 2 channel MOS switch , providing an easy way for applications low and high voltage control. 

This version of the Ethernet Shield is not only compatible with Mega 1280 and 2560, but also provides a Micro SD card slot for read / write

WiDo is a WIFI IoT Node development board compatible with Arduino.

The motor shield is based on the L298 , it is a double complete bridge driver designed to drive inductive loads, such as relays, solenoids, DC and stepper motors. 

Do you make time to talk to your Arduino? Maybe you should! The EasyVR Shield 3.0 is a voice recognition shield for Arduino boards integrating an EasyVR module. It includes all of the features of the EasyVR module in a shield form factor that simplifies connection to the Arduino main board and PC.

This DTMF Shield is a Dual-tone multi-frequency signaling module decoder for Arduino With it's audio connector you can decode the crazy funny noises common phones make.

MP3 Player Shield - SparkFun