String ioUsername = "YOUR_ADAFRUIT_IO_USERNAME"; String ioKey = "YOUR_ADAFRUIT_IO_KEY"; String feed = "YOUR_FEED_NAME"; // Replace with your Adafruit IO feed name String adafruitIOUrl = "https://io.adafruit.com/api/v2/" + ioUsername + "/feeds/" + feed + "/data"; void setup() { size(200, 200); background(50); fill(200); String[] lines = loadStrings(adafruitIOUrl + "?x-aio-key=" + ioKey); if (lines != null) { for (String line : lines) { println("Response from Adafruit IO: " + line); } } else { println("Failed to retrieve data from Adafruit IO"); } }