This intricately designed high precision electronic stethoscope circuit comprises two essential components: the microphone and the amplifier. Let us commence with the electronic segment. Circuit Description We initiate with a […]
Audible Meditation Timer Circuit
In this post, we’re going to put together a timer circuit designed specifically for meditation practices. This timer will produce a beeping sound that can be set to go off […]
Radon Detector Circuit
Radon is a radioactive gas that is naturally emitted from the earth’s surface and it is basically inert. It’s an odorless, colorless, and invisible byproduct generated due to uranium’s radioactive […]
Heart Beat Pulse to Sound Converter Monitor Circuit
In this write-up we discuss a comprehensive circuit which allows the user to convert heart beat pulses into loud audible sound from a connected buzzer. Thus , the design could […]
Simple Electronic Thermometer Circuit using Single LM324 IC
The post explains how to make a simple electronic thermometer using a single LM324 IC and some other passive components. The electronic thermometer does not depend on any mechanical principle, […]
How to Make a Heart Rate Sensor with Processor Circuit
The sensing of the heart pulses is actually produced by two IR photo diodes one being the transmitter of IR while the other acceptor. The IR rays thrown by the […]