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HR911105A

06/12/2021

Connecting HR911105A to Arduino

Today we are looking at connecting the HR911105A to the Arduino. What is this module for, what are its basic characteristics, an assembly diagram, an example of a sketch - we will discuss and analyze all this in more detail. Well, first, a few words about the functional application of the device. It will definitely come in handy for those “arduino” craftsmen who are interested in automating their own projects, ie. are developing smart home systems. It is for such solutions that so-called connecting elements are needed - namely, network modules (for the interaction of various devices with each other over a local network through mobile gadgets or a computer).

To understand the essence, let's pay attention to the technical parameters of the Ethernet module:

1.Mechanical mounting: on a board (DIP type);

2.Connector type: socket;

3.Number of contacts: 8-12;

4.Connector ports: 1x1;

5.Insulation strength: not less than 1500 V.There is an indication, a transformer, an EMI screen.

To complete the assembly, we need the following hardware parts:
 

1.Arduino Uno microcontroller (or compatible options: Nano / Mega);

2.Ethernet port HR911105A;

3.Bread board;

4.LEDs and resistors (3 pcs.);

5. Connecting wires;

6.Router and LAN cable.The electrical diagram of the web server module looks like this:

The electrical diagram looks like this:

HR911105A, Arduino

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