Sewer Drain Shield – Circuit and Working Fig. 1 shows the circuit diagram of the proposed drain shield for smart cities. It is built around an Arduino Uno board (MOD1), GSM module SIM800L (MOD2), an ...

Introducing the Arduino Mega Sensor Shield, a versatile and comprehensive expansion board designed to unleash the full potential of your Arduino Mega microcontroller. This feature-packed shield ...

Grove - Mega Shield is a extension board for Arduino Mega and Google ADK. We have standardized all the connectors into 4 pins (Signal 1,Signal 2,VCC and GND) 2mm connectors and keep some of the 3pin ...