Videos

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Vídeo tutorial Fun with ultracapacitor

Vídeo tutorial Fun with ultracapacitor. I got hold of some 2600F capacitors that can dump hundreds of amps. Normally these are used in electric cars to handle sudden stops and starts. Instead, I use them to vaporize bits of metal, and show you the 3 most important capacitor equations along the way.

An electric double-layer capacitor (EDLC), also known as supercapacitor, supercondenser, pseudocapacitor, electrochemical double layer capacitor, or ultracapacitor, is an electrochemical capacitor with relatively high energy density. Compared to conventional electrolytic capacitors the energy density is typically on the order of hundreds of times greater . In comparison with conventional batteries or fuel cells, EDLCs also have a much higher power density.

Vídeo tutorial Fun with ultracapacitor

A typical D-cell sized electrolytic capacitor displays capacitance in the range of tens of millifarads. The same size EDLC might reach several farads, an improvement of two orders of magnitude. EDLCs usually yield a lower working voltage; as of 2010 larger double-layer capacitors have capacities up to 5,000 farads.  Also in 2010, the highest available EDLC energy density is 30 Wh/kg (0.1 MJ/kg) (although 85 Wh/kg has been achieved at room temperature in the lab), lower than rapid-charging lithium-titanate batteries.

Vídeo Tutorial Fun With Ultracapacitor
Vídeo Tutorial Fun With Ultracapacitor

EDLCs have a variety of commercial applications, notably in “energy smoothing” and momentary-load devices. They have applications as energy-storage devices used in vehicles, and for smaller applications like home solar energy systems where extremely fast charging is a valuable feature.

1403

Operational Amplifier LM324 and super microphone circuit

Operational Amplifier LM324 and super microphone circuit, Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds with a microphone.

For more information about amplifiers, Google “inverting amplifier” “non-inverting amplifier” “instrumentation amplifier” “class A amplifier” “class B amplifier” “class AB amplifier” and that should give you a lot to chew on.

Operational Amplifier LM324 and super microphone circuit

Operational Amplifier Lm324 And Super Microphone Circuit
Operational Amplifier Lm324 And Super Microphone Circuit

1406

Voltage divider tutorial how to build one

Voltage divider tutorial how to build one. This video shows the basics of voltages dividers and how to build one. Power consumption considerations and equivalent series resistance issues are also discussed.

In electronics, a voltage divider (also known as a potential divider) is a simple linear circuit that produces an output voltage (Vout) that is a fraction of its input voltage (Vin). Voltage division refers to the partitioning of a voltage among the components of the divider.

Voltage divider tutorial how to build one

The formula governing a voltage divider is similar to that for a current divider, but the ratio describing voltage division places the selected impedance in the numerator, unlike current division where it is the unselected components that enter the numerator.

Voltage Divider Tutorial How To Build One
Voltage Divider Tutorial How To Build One
1390

Video tutorial Multimeter – how to use a multimeter

Video tutorial Multimeter – how to use a multimeter to measure voltage, current, resistance and continuity

Afroman shows you what to look for in a multimeter, and how to use a multimeter to measure voltage, current, resistance and continuity.

Video tutorial Multimeter – how to use a multimeter

A multimeter or a multitester, also known as a or VOM (Volt-Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability to measure voltage, current and resistance. Multimeters may use analog or digital circuits—analog multimeters (AMM) and digital multimeters (often abbreviated DMM or DVOM.) Analog instruments are usually based on a microammeter whose pointer moves over a scale calibration for all the different measurements that can be made; digital instruments usually display digits, but may display a bar of a length proportional to the quantity measured.

Digital Multimeter Video Tutorial Tutorial Multimeter Videos Video Tutorial Multimeter - How To Use A Multimeter

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Diode Tutorial & How to build an AC to DC power supply

Video tutorial – Diode Tutorial & How to build an AC to DC power supply. This video covers the basics of diodes, bridge rectifiers, and how to build simple unregulated AC to DC power supplies than can handle a few mA up to several Amps.

Aspect Diode And Symbol Diode Tutorial &Amp; How To Build An Ac To Dc Power Supply
Diode And Symbol Diode Tutorial &Amp; How To Build An Ac To Dc Power Supply

Diode Tutorial & How to build an AC to DC power supply