See the block diagram of TSOP1838 below: So far, the setup is already able to sniff IR data packets. But a microcontroller is also required to decode the signals. The additional hardware is just an ...

[Dave Jones] from EEVBlog.com takes “Arduino fan boys” off the garden ... capturing IR codes on his oscilloscope from an IR decoder (yellow trace) as well as using an IR photo transistor ...

[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 ...