A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

A transmission line may refer to a cable or assembly that is designed to carry radio frequencies and must consider the wave nature of the signal. Coaxial cable is an example of a transmission line. …
731 questions
Microchip Technology is an IC manufacturer, best known for its extensive range of PIC microcontrollers, but also memory and analog function ICs. The term "microchip" is a legacy term for integrated ci…
An LED driver is a self-contained power supply that controls the amount of current and voltage supplied to an LED light. An LED constant current driver monitors the loop current of each LED and automa…
A DAC is a Digital to Analog Converter.
723 questions
Questions about programming parts (FPGAs, Flash, etc.) Many software programming questions should be asked instead on Stack Overflow.
IR is electromagnetic radiation with longer wavelengths than those of visible light at 0.74 micrometres (µm) to 300 µm, which is extends the nominal red edge of the visible spectrum.
701 questions
Amperage is the disfavored term for "current:": the strength of an electric current in Amperes (Sometimes shortened to Amps).
700 questions
LED Strips come in two designs, both on Flex Printed Circuits (FPC). 1. Simple LED + Resistor versions, typically with multiple parallel segments of three LEDs with matching resistors. 2. Digitally co…
696 questions
for circuits that only contain passive components, such as resistors, capacitors, and inductors. This includes RC, RL, LC, and RLC circuits.
Involving or pertaining to a circuit or device that is intended to be operated with cells or batteries (as opposed to mains power, for example).
A popular manufacturer of FPGAs (Field Programmable Gate Arrays) and CPLDs (Complex Programmable Logic Devices).
Layout is the process of designing a PCB including placement of parts and routing of traces.
690 questions
CAN stands for Controller Area Network and is a bus often used in automotive applications. It is a two-wire differential protocol and works on baud rates from 10 kbits/sec to 1 Mbits/sec.
Feedback is a process whereby information from an output of a signal is used (intentionally or unintentionally) to alter the input of the same signal. Commonly used in operational amplifiers. An every…
A circuit that converts a signal from one form to another. Analog to digital, Digital to analog, Voltage to current, Current to voltage etc. The key to understanding is the transformational properti…
669 questions
An impedance that is non-zero during normal operation becoming very low
668 questions
Induction motors are alternating current motors with rotors that are energized by induction. They are available with power ratings ranging from about 1/500 Hp (1.5 W) to 30,000 Hp (22MW). They are th…
The microprocessor is an integrated circuit that elaborates information in the form of digital signals. Not to be confused with a microcontroller, which embeds many additional devices to control embed…
653 questions
Flash is a type of EEPROM which is page-eraseable. It's commonly used for microcontroller program memory and code storage. You can use this tag for questions about this type of memory as well as que…
Deprecated tag. Do not use in the future.
Most generally a class of materials that are neither insulators or conductors in their natural state but which can be manipulated via doping or electric fields to change the conduction state. Silicon,…
About the manufacturing of PCBs (Printed Circuit Boards).
626 questions
Battery and battery operated devices' charging methods and problems encountered relevant to charging.
619 questions
Piezo-electric device cut at a specific resonance frequency, mostly used in oscillators.
Inductance is the property by which a change in current in a conductor induces a voltage both in the conductor itself and nearby inductors, the latter being the basis upon which transformers operate. …
A famous textual circuit simulator with a number of graphic front-ends. Please tag with the precise flavor used (e.g. Pspice, LTspice, ngspice, Multisim, Proteus, Qucs) whenever appropriate (e.g. synt…
Simply the ratio of output signal to input signal, this dimensionless quantity is a measure of the amplification of a signal which may be represented by voltage, current of may even have a digital rep…
602 questions
Current limiting is the practice in electrical or electronic circuits of imposing an upper limit on the current that may be delivered to a load with the purpose of protecting the circuit generating or…
Questions regarding Li-Po batteries (Lithium-ion Polymer, Polymer Lithium Ion or more commonly known as Lithium Polymer), including proper charging and usage.
Questions regarding physical fuses. Fuses are a safety device consisting of a strip of wire that melts and breaks an electric circuit if the current exceeds a safe level. PPTC, PTC, and Polyfuse quest…
Allowing for the flow of power or information without shared electrical nodes
584 questions
A coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix. coils are used in applications where electric currents interact with magnetic fields, in devices such as induc…
Related to all communication systems that use a given digital sequence as an interface between the source and the channel input.
A flyback diode is a diode used to eliminate flyback, which is the sudden voltage spike seen across an inductive load when its supply voltage is suddenly reduced or removed. A flyback transformer, …
568 questions
A kind of motor with automatic feedback, such as a hobby RC servo.
568 questions
Impedance matching is a process of making one impedance equal to another another.
568 questions
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