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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.

Altium is integrated schematic capture, PCB design and FPGA software.
A non-isolated DC-DC converter topology which outputs voltage less than or equal to the input voltage
Exchange of information between devices. Communication can be wired or wireless.
A piece of measurement equipment which can visualize one or more signals simultaneously on a time scale.
Impedance defines the voltage/current characteristic of any dipole circuit.
Questions regarding Li-ion (Lithium-ion) cell and batteries, including proper charging and usage.
A voltage divider is a circuit that produces an output voltage that is proportional to the input voltage. One typical configuration consists of a pair of resistors in series from the input voltage to …
ATMega is a family in the AVR series of Atmel microcontrollers. This is the main microcontroller of the Arduino prototyping platform. Please Specify the specific part number in your question.
1196 questions
Symbolic representation of ideal devices implementing boolean functions
The process of creating electronic products, including components and end-user devices.
1147 questions
Electrical device that converts direct current (DC) to alternating current (AC).
Solid state electrical device that converts the energy of light directly into electricity by the photovoltaic effect.
Using other than a wired connection to transfer signals or power. Includes optical and (ultra)sound, but most often refers to RF (radio-frequent). Distances can be as low as centimeters (e.g. RFID), t…
Control refers to systems that control other systems, whether that be industrial machinery, lighting or devices used in a home
A digital signal that goes high and low at a specific frequency.
Problems related to the connection of circuits to ground or earth references. Can affect safety, accuracy, reliability and interfacing.
32-bit microcontroller IP. The ARM company which designs the ARM cores doesn't make controllers itself, but licences the IP to other manufacturers. ARM is the leading 32-bit controller and is availabl…
1062 questions
Questions related to the design of circuits that supply or use a high voltage. There are a few definitions but the IEC definition of a high-voltage supply system is above 1000 Vrms AC or 1500 V DC.
Questions about the electrical implementation of Ethernet; ask another Stack Exchange for software or protocol questions. Specify the speed as 10/100BASE-T is somewhat different from 1000BASE-T, apart…
A system that may be electronic circuits or even software that uses control theory (principally differential equations) to control an output by monitoring various aspects of the system under control a…
Datasheets are the primary documentation about components, describing their functionality and electrical properties.
Mains electricity, typically a higher voltage AC waveform used to deliver electrical power to households. In North America 120V, 60Hz, in most European countries 230V, 50Hz. What most people will pl…
An optoelectronic device which combines an optical transmitter and receiver in a single package; commonly used in galvanic-isolated control applications such as power supplies.
A brushless DC electric motor is a DC motor type that uses an electronic inverter/switching circuit to energize the motor coils in a sequence (based on the detected rotor position) in order to rotate…
A non-isolated DC/DC converter topology.
Measurement is the assignment of numbers to objects or events. All measurements consist of three parts: magnitude, dimensions (units) and uncertainty.
*Your* health and safety while working on electrical devices, and designing devices that will not shock, set fire to, or otherwise harm the user of the device.
Circuit to generate a signal a specific time after a trigger event. The timing can be defined by an RC time constant, or by clock pulses from an oscillator.
1006 questions
Temperature is a property of a substance related to the amount of heat energy it contains.
Surface-Mount Technology (SMT) refers to the way components are mounted on a PCB: SMDs (Surface-Mounted Devices) have pins or contacts which lay on top of the PCB's pads, without the need for holes in…
How wires connect to terminals and to each other; coloring and organization schemes; appropriate wire selection and installation techniques
The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation and oscillator applications. The part is still in widespread use, thanks to its ease of use, low price and…
a flip-flop or latch is a circuit that has two stable states and can be used to store state information.
A Computer Aided Design (CAD) program that runs on Linux, Mac, and Windows.
951 questions
A kind of motor that moves in steps.
945 questions
"Complementary Metal-Oxide Semiconductor" is a process which implements a combination of PMOS and NMOS transistors. Most current digital logic is implemented in CMOS. Its cost-effectiveness due to be…
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