The post discusses a 6 simple, cheap class A power amplifier circuits which can be used for any small scale audio amplifier application. By: Dhrubajyoti Biswas 1) Zero Negative Feedback […]
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RC Helicopter Remote Control Circuit
The post discusses a simple RC helicopter remote control circuit using 433kHz RF modules, without any microcontroller or complex joystick implementations. The idea was requested by Mr. Jitendra. Circuit Objectives […]
Force Sensing Resistor Circuit Explained
In this article we are going to see, what force sensing resistor is, their construction, specification and finally how to interface it with Arduino microcontroller. We will also study a […]
Op Amp Battery Charger Circuits with Auto Cut Off
The post discusses a two op amp IC 741 and LM358 based auto cut off battery charger circuits which are not only accurate with its features but also allows a […]
How to Build a Microphone Amplifier Circuit
In this article we are going to see how to build a microphone amplifier circuit with operational amplifier LM324. This circuit can be used as good pre-amplifier for audio projects. […]
18V Cordless Drill Battery Charger Circuit
In this post we learn how to build and use a 18V battery charger circuit for a cordless drill machine. The idea was requested by Mr. Chibuzo. Technical Specifications Here […]