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Library to support the HD44780 LCD , (I2C PCF8574 "backpack" interface) for the Arduino eco system arduino lcd i2c display hd44780 arduino-library arduino-platform lcd-display lcd-controller ...
Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...
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