PC to HP 48G infrared communication

[SammysHP]

(02-24-2020 02:11 AM)Christoph Giesselink Wrote:  The problem here maybe the ckermit program on the PC. When sending bytes over the IR port you may get IR reflections, that means that the byte you send is also received by your receiver.

There is no receiver in my adapter. Sounds like I have to implement a receiver circuit. Project for next weekend?