A Door phone circuit provides a two-way conversation and allows you to identify a caller before opening a door. It is a requirement of modern homes to ensure safety and security. This door phone circuit allows the house owner to converse and acquire the required information (e.g. who he is and what is the purpose […]
Electronics project
How to Make Water Level Indicator using BC547 Transistor
Learn how to make a very simple water level indicator using transistor bc547 at home in a few simple steps as follow… before starting you should have a basic knowledge of how a transistor works. watch this video for a better understanding. Basic principles: Transistor is a device which is used for amplification or switching […]
How does metal detector works? fully explained
Introduction: A metal detector is a device that can detect metal which may not be seen directly. The simplest kind of metal detector can be made using an oscillator, two inductor coils, and a detector or indicator. Here we will talk about how does metal detector works its construction applications and the importance of metal […]
Top 5 BC547 Transistor Project Complete Explanation
here are the Top 5 DIY bc547 transistor projects for you. Bc-547 is an NPN bipolar junction transistor(BJT). It is widely used for power amplification and switching. The word transistor means two words, transfer and resistor. The use of a transistor is to transfer the resistance. In transistors, a small amount of current at the […]