We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...
The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
Turns on and off a light emitting diode(LED) connected to digital pin 13, when pressing a pushbutton attached to pin 2. const int buttonPin = 2; // the number of the pushbutton pin const int ledPin = ...
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