Tags

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.

× 494
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…
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a branch of electronics related to identifying and solving problems caused by electromagnetic interference (EMI) between devices. It encompasses both attempting …
× 493
Switching can be defined as the change in state whether it be an analog, digital, or mechanical device. For digital devices, switching can be defined as a transition from HIGH to LOW or vice versa. Fo…
× 490
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).
× 486
An effect in semiconductors, the name of a diode that uses that effect and more generally any diode that has similar characteristics to a zener diode. Zener diodes have the unique characteristic of a …
× 485
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…
× 482
Questions relating systems powered by a 12 volt supply. This may include automotive systems and lead-acid batteries that are nominally 12 volts although be aware that under many conditions the actual …
× 482
for circuits that only contain passive components, such as resistors, capacitors, and inductors. This includes RC, RL, LC, and RLC circuits.
× 479
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…
× 474
the process of designing a PCB including placement of parts and routing of traces.
× 472
a Digital to Analog Converter.
× 472
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…
× 472
Any circuit for driving a motor that's more complex than wiring it to a power source through a simple on/off switch. Examples include speed and torque control using H-bridges, brushless motor controll…
× 464
About the manufacturing of PCBs (Printed Circuit Boards).
× 461
AC power with three legs run 120 degrees out of phase
× 458
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. …
× 451
Questions on the implementation of Wi-Fi (802.11) hardware. Note shopping questions are off-topic.
× 446
A circuit that accepts a small-signal digital input and produces as output a high current appropriate for driving the gate of a power MOSFET. See also [tag:gate-driving].
× 440
Piezo-electric device cut at a specific resonance frequency, mostly used in oscillators.
× 439
Battery and battery operated devices' charging methods and problems encountered relevant to charging.
× 435
non-zero during normal operation becoming very low
× 434
A kind of motor with automatic feedback, such as a hobby RC servo.
× 430
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…
× 419
the electrical standard used on most serial ports. Note that this standard is a +/- 15 volt system and requires a FDMI converter to make it compatible with TTL logic levels.
× 415
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…
× 412
a device which converts an electrical audio signal into a corresponding sound. Questions about fixing speakers will be closed as off-topic.
× 411
the creator of microcontrollers like the AVR line (ATMega and ATtiny) and SAM devices. Arduino microcontrollers use Atmel's AVR line of devices.
× 411
The CPU, known as the Central Processing Unit, is known as the heart of the computer. It is responsible for carrying out the instructions of a computer program by performing the basic arithmetic, logi…
× 410
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. …
× 410
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…
× 409
a switching device that accepts a small control signal to control a larger load current and/or voltage. In many ways they perform the same function as an electromechanical…
× 406
A digital circuit that literally "counts" - it progresses through a sequence of states that are representative of some value. It need not count in a natural progression i.e. 1,2,3,4,5 etc. to be cons…
× 402
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…
× 401
A sensor converting an acoustic signal into an electric one.
× 401
a tag about anything generates photons in the visible spectrum
× 400
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.