Electrical Engineering

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Awarded 1090 times.
Why do we need resistors in led
Awarded Nov 29 at 16:46
Pass USB 3.0 connection through D-SUB connector
Awarded Nov 22 at 18:28
Wouldn't charging a lithium battery to 80% only defeat the purpose of putting the battery into longer use in the first place?
Awarded Nov 21 at 10:40
AVR - How to program an AVR chip in Linux
Awarded Nov 18 at 12:04
How to clean a potentiometer?
Awarded Nov 6 at 22:17
Difference between Line and Neutral in AC
Awarded Nov 2 at 11:35
FCC part 15 "must accept interference from other sources": what does this mean?
Awarded Oct 1 at 20:22
Do electrons actually flow when a voltage is applied?
Awarded Sep 27 at 18:21
Are Common Mode Choke Coils needed on USB?
Awarded Sep 16 at 12:11
Which of these marks signifies Pin 1 on the STM32F (LQFP64)?
Awarded Sep 7 at 8:30
Why does the USA use 110V and UK use 230-240V?
Awarded Aug 29 at 19:57
Why do we use capacitors in parallel with DC motors?
Awarded Aug 17 at 18:27
How to do pulling up or down correctly when interfacing a microSD card?
Awarded Aug 15 at 23:28
Is twisting a single ended signal with its own GND really useful?
Awarded Aug 9 at 17:43
Why are high impedance circuits more sensitive to noise?
Awarded Jul 26 at 19:30
Why are consumers located near high-voltage lines typically not connected to those lines but instead are connected through a lower high-voltage line?
Awarded Jul 26 at 17:53
Why are SRAM based FPGA used more than NVM based FPGA?
Awarded Jul 10 at 7:21
How do you attack a new board?
Awarded Jul 9 at 21:27
Guidelines for determining shock hazard of capacitors
Awarded Jul 9 at 17:11
Why we use 330 ohm resistor to connect a LED? [duplicate]
Awarded Jul 5 at 10:10
How to ramp up a factory consuming a lot of energy?
Awarded Jun 19 at 22:25
How is it that two electric currents can travel in opposite directions on the same wire, at the same time, without interfering with each other?
Awarded Jun 15 at 18:12
Why does voltage always lead current by 90 degrees in an inductor?
Awarded Jun 10 at 22:25
What is the STM32 event EVENTOUT?
Awarded May 19 at 21:28
How do electronic devices keep track of time without power?
Awarded May 17 at 5:15
Is there such a thing as a switch that can be actuated automatically?
Awarded Apr 29 at 14:41
Using clothesline steel core wire rope for AC and DC
Awarded Apr 27 at 17:45
Are UV LEDs really dangerous?
Awarded Apr 27 at 3:21
What are the little bits of metal that come out of light bulb filaments and why do they stick to only one terminal?
Awarded Apr 24 at 13:32
Can two BJT transistors work as a full bridge rectifier?
Awarded Apr 19 at 23:27
PCB 90 degree angles [duplicate]
Awarded Apr 13 at 18:35
What happens to excess energy fed into the power grid?
Awarded Apr 13 at 3:46
How do we know that voltmeters are accurate?
Awarded Apr 9 at 18:05
Why is crystal frequency often multiplied inside a microcontroller?
Awarded Apr 2 at 19:06
How is it possible that HDDs are mechanically so robust?
Awarded Apr 1 at 3:11
Why did USB win out over parallel interfaces? [closed]
Awarded Mar 23 at 21:57
Why are some AC outlets and plugs polarized?
Awarded Mar 23 at 8:46
Does a self-powered USB device have to connect to VCC from the host port?
Awarded Mar 21 at 14:47
How can you achieve decent clock accuracy in microcontrollers (e.g., max 1 second drift in a year)? How do digital watch manufacturers accomplish it?
Awarded Mar 1 at 18:41
Does anyone know the history of the earth ground symbol
Awarded Mar 1 at 14:26
What does "no fit" mean in electronics?
Awarded Feb 14 at 22:07
Why is "silkscreen" called that way?
Awarded Feb 10 at 9:52
Pull up resistors on UART
Awarded Jan 31 at 7:17
Stopping electric arcs between layers in PCB - big PCB burn
Awarded Jan 29 at 18:28
MOSFET as a voltage controlled resistor
Awarded Jan 20 at 17:40
Is CAT5 cable good enough for RS-485 vs "true" RS-485 cable
Awarded Jan 14 at 17:17
What is the difference between "reverse stand off voltage" and "breakdown voltage" on a TVS?
Awarded Jan 2 at 21:12
Why do we connect a resistor before a Zener diode?
Awarded Dec 30, 2022 at 21:47
ICs ("chips") are typically packaged in what material?
Awarded Dec 29, 2022 at 2:10
Wear leveling on a microcontroller's EEPROM
Awarded Dec 24, 2022 at 20:49
How does a microcontroller boot and startup, step by step?
Awarded Dec 15, 2022 at 22:17
Is there a difference between SOIC and SOP?
Awarded Dec 7, 2022 at 11:21
Why does the E12 resistor sequence use 27 and 33 instead of 26 and 32? [duplicate]
Awarded Nov 21, 2022 at 12:07
Can silicone sealant be used to insulate and waterproof electronic components?
Awarded Nov 17, 2022 at 17:49
Is it possible to receive information if the received power is below the noise floor?
Awarded Oct 26, 2022 at 12:45
Why do car blinkers flash at twice the speed when a blinker light has burned out
Awarded Sep 27, 2022 at 21:06
Level shifting a +/- 2.5V signal to 0 - 5V
Awarded Sep 21, 2022 at 20:33
Why put a 10k resistor between VUSB and GND?
Awarded Sep 21, 2022 at 7:26
What is the difference between 1N4001 and 1N4007 other than their maximum reverse voltage?
Awarded Sep 19, 2022 at 15:46
How to clean my soldering iron tip or how to determine that it's beyond repair?
Awarded Sep 14, 2022 at 9:26
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