I have put together an overly complicated headset tester with hopes to expand it to a intercom station. But it doesn't work as I wish. No mic audio is audible in the headset. I am using a standard aviation headset David Clark H3312 with a 600ohm load.
Have I overlooked something very obvious...
Hi, I don't have much knowledge about electronics but I have bought a remote switch using which one can remotely (100 meter distance) turn on/off a light or any other appliance. There is a two buttons "bpt" intercom in my unit. I want to use this remote switch with that intercom such that...
Hi, I've been building an intercom circuit based on the design by colin55 found in this thread:
https://www.electro-tech-online.com/threads/lm386n-1-elecret-mic-amp.121819/#post-1004570
**broken link removed**
I was wondering how it would be possible to replace the miniature microphone with a...