Welcome to the Arduino Uno Pin Diagram Explanation user manual, your ultimate resource for understanding and using your new product. Compatible Accessories This section lists compatible accessories ...

2, respectively while their block diagrams are shown in Fig ... HT12D are connected to two interrupt pins of the Arduino UNO board. When a visitor passes through the entry gate, a pulse is generated ...

Pin 2 of Arduino Uno is connected to T1 through base current-limiting ... Assemble the components on the PCB as per the circuit diagram. Fig. 4: Actual-size PCB layout of home automation system Fig. 5 ...

Some sketches work on an Arduino Uno. Some others require an Arduino MEGA (I actually ... Also works with a real Arduino Mega, just pay attention to the different pin layout. The diagram is for a ...