He realized that a short laser pulse could be stretched in time—thereby making it less intense—by a diffraction grating that spreads the pulse into its component colors.

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for those of us who have a 9-0-9 trans former, Peak voltage =9×√2 =9×1.4142 =12.7278v Voltage drop across diodes =1.4 as we established above. V=12.7278 - 1.4 =11.3278v 11.3278 - 7 Hence V=4.3278 From C=I×(T/V) C=500mA×(10ms/4.3278) =1154.7uf But we don't have this kind of value for a capacitor so we approximate to 1000uf. Hence C =1000uf.

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Just as it sounds, rectification is the process of converting alternating current to direct current. To carry out this process, we are going to make use of a bridge rectifier. A bridge rectifier consist of four diodes some bridge rectifiers have now been made into a single chip. Diodes are semiconductor materials that allows currently to flow only in One Direction (which is usually in the forward dirction), thereby removing the negative cycle of the alternating current, thus producing a fluctuating DC. The small silver band on the diode represent the cathode. And the large black band represent the anode.

now the voltage from the main, that is from your sockets at home is usually very high. Here in Nigeria it ranges from 220-240v and on some occasions 250v. In other to step down this voltage we are going to use a step down transformer (preferably 12v), by simply connecting the primary wire of the transformer to the main and the secondary to your bread board.

I really agree with you a power supply is very crucial for any electronics Project. You're going to definitely see more post from me on electronics

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Dude totally love your post. Im new to this electronic field. This article is so useful for all electronic newbie out there. Cause i believe every tinkerer must start with building your own power supply. Its the most basic. Great jib with your explanations. I do hope more such post from you.

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“It’s the best tasting diffraction grating you’ll ever see,” said David A. Weitz, a professor of physics and applied physics at Harvard, of the chocolate.

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Ahh I have so many things I wanted to fix. I just hot air reworked an onboard lan chip. BUt i can't figure out what's wrong as there's no led light for gigabit connection. That's my dilemma for now haha.

"However, deflecting light by diffraction grating allows much more precise control of the laser light compared to deflection in the Earth's atmosphere," says Schrödel.

bread board a 12v step-down transformer 7805 voltage regulator capacitors Diodes In other to build this power supply we are going to follow these simple steps to build it

Hello Steemians I did a post last week on how to trouble shoot your car battery. you can look it up here. Today am going to be posting on how to build your own 5volt power supply. Maybe you might have had a damaged charger and then you wished you could just build a temporary one before you are able to get a new one or maybe you are like me who loves electronics so much and then you begin to get worried that you are spending too much on batteries, don't worry because this post is going to guild you on how to build a 5volt power supply for your projects. The components needed to carry out this project are going to be as follows;

When the positive cycle of the AC comes into the system, D1 and D2 are forward biased and D3 and D4 are reversed biased therefore current will flow only through D1 and D2. While in the negative half cycle D3 and D4 are forward biased while D1 and D2 are reversed biased, hence current flows through D3 and D4.