In this post I have explained what servo motor is, how it functions, how to interface with microcontroller and what make this motor special from other motors. Being an electronics enthusiast we would have come across many kinds of motors, here we are going to take a look at special type of motor called servo […]
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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 couple of comparator circuits based on 741 and LM311 ICs, for operating a relay using force sensitive resistor. What is Force Sensing Resistor A force […]
Autoclave Heater Controller Circuit
In this article I have explained how to make a simple and accurate autoclave heater controller circuit with timer. The idea was requested by Mr. Rajjab. Circuit Objectives and Requirements This is Rajab Ali from Afghanistan. We need a circuit for controlling an autoclave for sterilization in hospital the machine works as. when starts cycle […]
How to Select MOV – Explained with a Practical Design
MOVs or metal oxide varistors are devices designed for controlling mains switch ON surges in electrical and electronic circuits. Selecting an MOV for a particular electronic circuit might require some consideration and calculation, I have explained the procedures here. What are MOVs Metal oxide varistors or simply varistors are non-linear surge suppressor devices which are […]
Power Factor Correction (PFC) Circuit – Tutorial
In this post I have explained the different methods of configuring a power factor correction circuit or a PFC circuit in SMPS designs, and explains the best practice options for these topologies so that it complies with the modern PFC restriction guidelines. Designing efficient power supply circuits have never been easy, however in the course […]
How to Select the Right Charger for Li-Ion Battery
In this discussion we try to learn the right procedure for selecting a charger for a Li-ion battery. The question was raised by Mr. Akshay. Li-Ion Charger Related Question I have a 5000mAh Li-ion battery. Can i select a charger for my Li-ion battery having the following specifications, the product is available on ebay? I […]