Hi, I'm wondering if someone here could possibly help identify a component. I'm an accordion maker with at best basic knowledge of electronics and sometimes I build microphones in the accordions and concertinas, they are quite basic but have survived me well the last couple of years, they are...
Hi, my friend and I had tried combining lavalier mic and funnel as DIY stethoscope connecting to phone for telemedicine. During a video call, the heartbeat can be clearly heard from the headset but not the lung sound. I think if the signal from lavalier mic can be amplified it would lead to...
Hi, I am trying to hook up some telecoms headsets to an audio mixing desk to make a 4-person intercom system on the cheap! I have a pro audio engineering background, but my analogue electronics is pretty rusty.
I've made some interface boxes that simply convert the 4-pole TRRS headset jack to...
Hi, I'm new to this forum. I'm looking to resolve an issue in my project related to electronic stethoscope. I'm using AOM-5024L-HD-R electret condenser mic and tl071 opamp based preamp circuit as show in the link below
http://dxarts.washington.edu/wiki/electret-preamp-circuit
circuit works...