This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

When using PlatformIO and AVR, to support float you must add following line in platformio.ini i2caddr I2C address of the display, can 0x3D (SA0 = VDD) or 0x3C (SA0 = VSS) i2cPort I2C Port, is only ...

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The IdeaPad Slim 5i sits in the middle of Lenovo's IdeaPad lineup. It trades the plastic chassis you get with the budget IdeaPad Slim 3i series for an all-aluminum design, but one that lacks the ...