11/14/2022 0 Comments Altium designer 18 arduino partsReplace “SSID” with your router’s Wi-Fi SSID and “PASSWORD” with your Wi-Fi password. At around line 35 you will see the following code: Let’s navigate to File > Examples > ESP8266HTTPClient and click on “BasicHttpClient.” This will demonstrate the device’s ability to connect to a Wi-Fi network and grab the content from a webpage. To take advantage of that we’ll want to explore some of the Wi-Fi sketch examples that came with the ESP8266 library which we installed earlier. Testing the Wi-FiĪs mentioned in the introduction the whole idea of using the ESP8266 within the Arduino environment is to get an all-in-one, cheap, Arduino-like device with Wi-Fi. Once the device has been programmed you should see the NodeMCU board’s LED flashing on and off every second or so. On the top left corner click on the “Upload” button: Figure 3: Arduino IDE Upload Button To get started with a canned blinking LED sketch navigate to File > Examples > ESP8266 and click on “Blink.” This example sketch will blink the LED on and off. It also lets us know that the compiled code has been accepted and loaded onto the device without any issues. A blinking LED is always a great way to test if your microcontroller is working because it lets us know that the circuit is good such as the power supplies, routing, and other electronics. For embedded systems a blinking LED is much like the same idea. The concept is very simple: print “Hello World” to the screen. In software, the most basic test people usually perform with a new language or setup is a “Hello World” test.
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