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These days, you could be forgiven for thinking driving an LCD from a microcontroller is ... Instead, [Ivan] decided to drive it directly from an Arduino Uno. This is easier said than done.

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

Pin-to-pin connections between LCDs and the Arduino Uno board are shown in Table I. If you want to display data on the first LCD (LCD1) only, connect RS and EN pins of LCD1 to Arduino using SJ1 and ...

I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I got both ICs working in separate sketches that I’ve blogged about previously, but I wanted one combined program.

This sketch should be intended as a modificable skeleton, where you should add your program; the skeleton sketch, when compiled for Arduino UNO or Arduino Duemilanove ... assigned to the LCD Display ...

As we know, these devices have an in-built Wi-Fi modem that allows you to connect to the internet. But if you are working with a humble Arduino UNO or Nano board and you want to connect your Arduino ...