all above electronics

Microcontroller Microcontroller also known as MCU is the programmable integrated circuit where we can program or give instruction for what to do. Normal ICs do specific work for what they are made but microcontroller is totally different. It is used for automation, DIY projects and so on. There are various types of microcontroller such as: Arduini, 8051, PIC, etc.

Capacitor Capacitor is a passive component which is two legs with polarity.  Some of the capacitor do not have polarity. Here we will learn about polarized capacitor. Polarized capacitor has two  polarity one is positive + another one is negative-.  To know its polarity either one leg will be long describing about positive + polarity or in capacitor there is given - minus sign in black letter exact up of that one leg. Capacitor are found with different different storage capacity which is measured in Farads. For smaller storage, it is measured in micro-farad. The charge time of capacitor depends on its farads if  the value of farads goes high then charge time of that capacitor will be more. Symbol Of Capacitor

Inductor  Inductor also called coil is just loop of  copper wire with two terminals. It is used to store electrical energy to magnetic energy and vice-versa in a circuit. It is measured in henry. Inductor are used to make electromagnet, transformer, speaker, solenoid and relays for switching.

What is Resistor ? Resistor is a passive two terminal component which resist the flow of current in the circuit. Passive component means that do not control current by means of another electrical signal. In other words there is no third person like base in the transistor to make them work or like IC that needs power supply to make it work. Note: IC's and transistor are active components. Measurement of Resistor ? Every resistor has its resistance value measured in ohm's. And it follows  ohm's law. Symbol of ohm (Resistance) Types of resistor: Fixed resistor (those resistor which resistance is fixed). Symbol of Fixed Resistor Fixed Resistor Variable resistor (those resistor which resistance can be vary from one measurement to another) Potentiometer or Variable Resistor Varistor-Voltage Dependent Resistor (whose resistance changes with voltage). Varistor or VDR Thermistor a.k.a. Temperature Dependent Resistor (whose resi