THE DEVELOPMENT OF LOW COST ELECTRONIC STETHOSCOPE

The PCB Circuit board We use this hand drill to drill holes in the PCB board Soldering components This week we drill h...

    This is the PCB circuit for our project. We design the PCB circuit using ExpressPCB software.  We print the PCB cir cuit...

These are the results that i get after testing my circuit in the oscilloscope. We compare the waveform with the theory heart sound and...