This Simple Electronic Stethoscope Circuit teaches us about how to make one type of stethoscope circuit. Normal stethoscope uses tube to listen small sound from body like heart and lung but this electronic stethoscope uses small electric parts to make sound more clear and loud. The circuit also help doctors and nurses hear better what […]
Mini Projects
Simple RF Field Strength Meter Circuit
To begin with, this Simple RF Field Strength Meter Circuit show how to make device to measure radio wave! Radio and mobile phone both use radio wave and this signal we cannot see, also this thing are helpful for radio fans, engineers and new people. Also, they can check how strong signal is in different […]
Simple Electronic Code Lock Circuit
To begin with, this is easy and Simple Electronic Code Lock Circuit; to open door or box no need of key we can use special code instead. Also, this circuit uses buttons and code to the open lock, so only correct code can open and wrong code will not work. Circuit Working: Parts List: Components […]
Make a Simple Electric Guitar Circuit
Want to try to make DIY Simple Electric Guitar Circuit from Hawaiian guitar? then this article can help, it is very good idea and cheap also which anybody can try. What is Electric Guitar: Electric guitar is guitar that take sound from strings like steel or nickel and change into electric signal using sensor, then […]
Simple Day Night Activated Switch Circuit using a Triac and LDR
Simple Day Night Activated Switch Circuit using a Triac and LDR show how to make circuit which turns ON and OFF things by seeing outside light; also we only need one light sensor (LDR), one resistor, one capacitor and one special switch called Triac. Moreover, many alarm systems use this circuit because it turns ON […]
Simple USB Lamp Circuit
This small and Simple USB Lamp Circuit shows how to make an easy night light using a USB port from a computer or laptop, and it only needs a few parts such as: Also, this circuit is good when we need little more light in dark place or when power goes OFF. Circuit Working: Parts […]