This lets even a modest microcontroller easily control a 64-pixel “screen.” In this case, [Mirko] uses an Arduino Nano, 3 switches, and a buzzer along with some 3D printed components to make a ...

Power Connections: Connect the LiPo battery to the charge-discharge module and power rails on the breadboard. Arduino Nano: Connect the 5V pin to the positive power rail and GND pin to the ground rail ...

The tiny handheld console features a round display and is powered by an Arduino Nano ESP32. ... a 1.28″ round GC9A01-driven TFT LCD, a handful of jumper wires, and a few buttons.

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 ...