Electronics Area – Electrical and Electronics Tutorials and Circuits

 

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Electrical and Electronics Tutorials and Circuits


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Recent posts

12V Auto turn-off battery charger

12V Auto turn-off battery charger

This 12V auto turn-off battery charger automatically disconnects from mains to stop charging when the batteries are fully charged. It serves to charge the battery of our car, using the 120/240 VAC

Truth Table

Truth Table is used to simplify boolean equations obtained from digital circuits. The truth tables can have many columns, but all tables operate in the same way.

Temperature Alarm Circuit using a diode

This temperature alarm circuit uses a common semiconductor diode as the temperature sensing element. The circuit can be used as a high or low temperature alarm.

Car Battery Monitor Circuit

Car Battery Monitor Circuit

This Car battery monitor circuit is very simple and very interesting. How many times have you found that the car does not start because the battery is discharged?

Current Divider Rule in parallel resistors

By using the current divider rule, we can find the current in each resistor connected in parallel. The electric current passing through a circuit of two resistors in parallel is divided in two.

12 to 5 volt Converter Circuit (for cars)

This 12 to 5 volt converter circuit is very useful. It can be used to connect 5 volt electronic devices in a car with a 12 volt battery. (Automotive lead-acid batteries can be up to 13.7 volts).

Logic OR gate – Symbol & Truth Table

The logic Or gate is one of the simplest digital logic gates. The output of this gate is “High”, when one or all of its inputs are “High”. We can also say that, the output of an OR gate is “Low” only when all gate inputs are “Low”.