Understanding the ESP32 NodeMCU pinout GPIO PWM ADC reference is the first and most important step before building any ESP32... Continue reading
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Tag: SPI
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RFID (Radio Frequency Identification) technology powers everything from office access badges to library book tracking and contactless payment systems. The... Continue reading
Every serious Arduino data logging project eventually needs a place to store measurements permanently. Keeping data in RAM loses it... Continue reading
Adding a full-colour TFT display to your Arduino project transforms it from a blinking-LED prototype into a polished, professional device.... Continue reading
Running out of digital output pins on your Arduino? The 74HC595 shift register is the classic solution. With this single... Continue reading
If you want to display numbers on a clean, bright, readable panel without sacrificing most of your Arduino’s I/O pins,... Continue reading
Adding a Arduino touchscreen XPT2046 interface to your project transforms a bare microcontroller into a polished, interactive device. The 2.4-inch... Continue reading