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 ...

The most difference to the original LiquidCrystal library from Arduino ... I2C address of the display, can 0x3D (SA0 = VDD) or 0x3C (SA0 = VSS) i2cPort I2C Port, is only needed if you another ...

There are definitely some expensive Bluetooth adapters, but they're relatively few and far between, and usually offer an especially luxurious feature set and connection quality. You should also ...

This is a port of Arduino to the RP2040 (Raspberry Pi Pico processor) and RP2350 (Raspberry Pi Pico 2 processor). It uses the bare Raspberry Pi Pico SDK and a custom GCC 14.2/Newlib 4.3 toolchain and ...