Useful tips for everyday
Can you put out a lithium-ion battery fire with water? Lithium-ion batteries contain small amount of lithium metal and in case of a fire they…
How many amps does it take to charge a smart phone? Standard chargers that come with iPhones and older Android phones carry 1 amp of…
How do you make an electric pulse? An EMP, or electromagnetic pulse, is a naturally occurring phenomenon caused by a sudden, rapid acceleration of particles…
What is the data rate of the MAX3232? The MAX3222, MAX3232, and MAX3241 are guaranteed to run at data rates of 120kbps while maintaining RS-232…
Can a battery regain capacity? There is no such thing as a lithium-ion battery that maintains its full capacity over time. The only way to…
What happens when the two terminals of a cell are connected directly with a wire? Q1: What will happen if we join two terminals of…
Are Arduino outputs positive or negative? The arduino docs seem to suggest it is: They (the digital pins) can provide a substantial amount of current…
How can you tell if IC is analog or digital? Analog Circuits and Digital Circuits is a classic way of differentiating between two types of…
Is it safe to watch videos of lasers? The laser beam can’t “reach” through the camera to get to you. Your screen is just showing…
How do you calculate VG MOSFET? In First Small Signal Equivalent Model of MOSFET, I have found out Vgs = Vg= (Vin R1//R2)/(Rg+R1//R2), because R1//R2…