Can I raise issues like implementing minor instruments like thermometer?
Yes by all means
Sure Padmal, I just hadn't understood the problem yet. Is this more or less what you guys are after? https://www.edn.com/electronics-blogs/embedded-basics/4416138/Turn-a-Smart-Phone-into-a-Signal-Generator
So: 1) sample a wave on the phone; 2) get the signal into the audio jack; 3) user connects the wires to his own equipment, bypassing the need to use the pslab device?
did i get that right?