Step-by-step LED Blinker Tutorial

This example shows how to make a LED blinker using the

QFIRE CTR-101

.

Example
First step

In File | New select the product QFIRE CTR-101, type the name of the project, name of the developer, and select the project folder.

Figure 1 - Selecting the product

Second step

Inside the Control tab, place the

QFIRE

block from the Toolbox (at the right) in the workspace.

Figure 2 -

QFIRE

block inserted in the workspace

Third step

Double-click the

QFIRE

block and check "Enable Task". In Figure 3, it is possible to see task 0 configured with a 1Hz frequency.

Figure 3 -

QFIRE

properties

Fourth step

In the

QFIRE

properties window, click "Show Diagram" to build a diagram.

Figure 4 - LED blinker diagram

The diagram from Figure 4 has an Unit Delay block, a Not block and a Digital Output. All of them can be selected in the Toolbox. The Unit Delay is in the Dynamics Category, the Not is in the Logical Category, and the Digital Output is the Output Category.

The Digital Output block creates an output port in the QFIRE block. Connect it to the Scope block to see the signal behavior in the graphic.

Figure 5 -

QFIRE

with Digital Output after the changes

Figure 6 - Signal behavior

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