[Hulk] has your back with this simple but effective IR Remote Tester / Decoder. How to connect the TSOP4838 to an Arduino to read the transmitted codes By using a cheap integrated IR receiver ...

[AlxDroidDev’s] device runs off of an ATMega328p with Arduino. It operates from a 9V battery. The circuit contains an infrared receiver and ... It contains three LEDs, red, green, and blue.