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.
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embedded× 227
a computer system designed to perform one or a few dedicated functions often with real-time computing constraints. It is embedded as part of a complete device often including har…
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communication× 222
Exchange of information between devices. Communication can be wired or wireless.
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soldering× 220
the metallurgic process used to fix electronic components to a PCB. Soldering can be done by hand or automatic. PTH boards were usually wave soldered, SMT uses reflow technology.
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atmega× 218
A series of Atmel microcontrollers.
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connector× 216
Mechanical part providing electrical contacts for a cable or electronic circuit board.
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dc× 216
DC stands for Direct Current, which means the flow of electric charge in a single direction. Examples of a DC source are batteries, solar panels, dynamos.
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design× 214
The process of creating electronic products, including components and end-user devices.
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components× 214
the most basic elements in an electronic circuit. Characteristic is that they're in a single package. There are passive and active components, from as simple as a zero -ohm resistor to …
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arm× 213
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…
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verilog× 209
a hardware description language (HDL) used to model electronic systems. It is most commonly used in the design, verification, and implementation of digital logic chips.
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transformer× 205
A transformer couples two or more AC signals through a magnetic field. Often used as galvanic isolation and to transform one AC voltage to another.
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diodes× 205
semiconductor components made from a P-type and N-type silicon material, that allows current to only flow in one direction.
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signal× 194
a stream of information in the form of a varying quantity. Usually in electronics, signals can be in the form of voltages, currents, or radiated electromagnetic fields.
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battery-charging× 193
Please specify the battery type in your question. Include chemistry (e.g. lead-acid), voltage, number of cells and how they are connected (series or parallel), capacity (in A·h or W·h).
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lcd× 190
Short for Liquid Crystal Display. LCDs consume little power, and exist in graphic LCDs, or segmented. The latter type is used for character and 7-segment digit display, and also in custom LCDs for con…
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ethernet× 184
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…
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i2c× 180
a multi-drop serial bus invented by Philips (now NXP) for communication between ICs on the same PCB, i.e. short distance.
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spi× 179
a low-level 3-wire serial bus interface with clock, data in and data out.
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filter× 171
A filter modifies signals based on their frequency.
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pwm× 170
varying the duty cycle of a rectangle wave, usually with a constant frequency.
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vhdl× 168
VHDL (VHSIC hardware description language) is a hardware description language used in electronic design automation to describe and design digital systems such as field-programmable gate arrays and int…
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bluetooth× 161
A low-power short-range wireless protocol.
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programming× 160
Questions about programming parts (FPGAs, Flash, etc.) Many software programming questions should be asked instead on Stack Overflow.
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uart× 152
A UART (Universal Asynchronous Receiver Transmitter) is a piece of logic that sends and receives data on a serial port.
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dc-motor× 151
A common actuator in robotics; it's usually made of a static magnet (stator) and a set of moving inductors, acting as electromagnets, connected to the circuit through brushes. Brushless motors use pha…
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switch-mode-power-supply× 150
A switch-mode power supply (SMPS) switches been fully-on and fully-off states quickly to maintain voltage regulation. They offer lower power dissipation and run cooler than linear regulators that cont…
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driver× 147
A chip that sends a signal with more current or voltage, or over longer distances.
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noise× 146
About issues caused by electrical noise, or improving the Signal/Noise ratio of an analog circuit.
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frequency× 143
How many times something happens per second, measured in Hz (Hertz).
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radio× 140
Consider also the rf tag.
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oscillator× 136
A device or circuit that generates an AC signal at a certain frequency.
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antenna× 135
Antenna (radio), also known as an aerial, a transducer designed to transmit or receive electromagnetic (e.g. TV or radio) waves. -Wikipedia
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simulation× 132
About tools to simulate circuits. Specify the tool used.
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temperature× 130
a property of a substance related to the amount of heat energy it contains.
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schematics× 129
hooked up logically. If your question is about a specific schematic software package, use that tag instead.
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clock× 129
A digital signal that goes high and low at a specific frequency.
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