37 lines
671 B
Arduino
37 lines
671 B
Arduino
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#include <Preferences.h>
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Preferences preferences;
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void setup() {
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Serial.begin(115200);
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while (!Serial) {
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;
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}
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preferences.begin("my-app", false);
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// Get the counter value, if the key does not exist, return a default value of 0
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unsigned int counter = preferences.getUInt("counter", 0);
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// Print the counter to Serial Monitor
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Serial.printf("Current counter value: %u\n", counter);
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// Increase counter by 1
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counter++;
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// Store the counter to the Preferences
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preferences.putUInt("counter", counter);
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// Close the Preferences
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preferences.end();
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// Wait 1 second
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delay(1000);
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// Restart ESP
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ESP.restart();
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}
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void loop() {}
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