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Electrical Engineering

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Answer score of 100 or more. This badge can be awarded multiple times.
Awarded 64 times.
230V AC to 5V DC converter, lossless
Awarded Apr 29 at 13:42
Why are copper cables round?
Awarded Sep 1, 2023 at 9:16
Why do we need an isolation transformer to connect an oscilloscope?
Awarded Apr 7, 2023 at 5:40
What is the relation between FFT length and frequency resolution?
Awarded Feb 10, 2023 at 17:51
How is using a transformer for isolation safer than directly connecting to the power grid?
Awarded Jul 12, 2022 at 21:16
What is negative voltage?
Awarded May 5, 2022 at 16:10
What type of solder is safest for home (hobbyist) use?
Awarded Jan 6, 2022 at 7:05
Why does this LED bulb have an energy efficiency rating of 'F'?
Awarded Jan 5, 2022 at 14:56
Why does micro USB 2.0 have 5 pins, when the A-type only has 4?
Awarded Nov 28, 2021 at 7:03
Why aren't FPGAs ubiquitous?
Awarded Oct 6, 2021 at 7:55
What makes the stack concept useful in embedded programming?
Awarded Sep 6, 2021 at 16:11
Difference between UART and RS-232?
Awarded Jul 24, 2021 at 8:56
Why can current only flow in loops?
Awarded Apr 10, 2021 at 23:51
What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami?
Awarded Nov 13, 2020 at 23:36
How much current can I draw from the Arduino's pins?
Awarded Nov 9, 2020 at 10:18
Good tools for drawing schematics
Awarded Nov 7, 2020 at 14:06
What is the difference between \$V_{CC}\$, \$V_{DD}\$, \$V_{EE}\$, \$V_{SS}\$
Awarded Oct 8, 2020 at 5:56
Tradeoffs when considering SPI or I2C?
Awarded Dec 30, 2019 at 12:25
What’s the proper soldering iron temperature for standard .031" 60/40 solder?
Awarded Sep 29, 2019 at 19:20
Why don't electrons take the shorter path in coils?
Awarded Sep 10, 2019 at 19:25
What is a boot loader, and how would I develop one?
Awarded Jul 4, 2019 at 1:10
Ceramic caps vs electrolytic. What are the tangible differences in use?
Awarded Apr 14, 2019 at 10:10
Why do fundamental circuit laws break down at high frequency AC?
Awarded Mar 17, 2019 at 12:30
How to get more than 100mA from a USB port
Awarded Jan 28, 2019 at 17:40
How much does it cost to have a custom ASIC made?
Awarded Jan 6, 2019 at 5:20
What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?
Awarded Nov 17, 2018 at 18:55
What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?
Awarded Nov 13, 2018 at 14:45
Batteries. Why use 9V?
Awarded Oct 19, 2018 at 20:35
Fan and heatsink - suck or blow?
Awarded Sep 3, 2018 at 19:25
How does a capacitor block DC?
Awarded Aug 23, 2018 at 16:00
Why does a Tesla car use an AC motor instead of a DC one?
Awarded Jul 10, 2018 at 0:42
Are tantalum capacitors safe for use in new designs?
Awarded Jun 28, 2018 at 13:29
How do I prove to my physics teacher that adding a battery in parallel doesn't double the current?
Awarded Feb 16, 2018 at 12:35
Why isn't stripping wires by burning with a lighter a more common practice?
Awarded Jan 16, 2018 at 14:38
Why can't I light a LED with a 1.5 V battery?
Awarded Nov 22, 2017 at 15:20
What is the reason that the value "47" is so popular in electrical engineering?
Awarded Sep 29, 2017 at 21:41
Why does smartphone GPS find its position much faster than a GPS module?
Awarded Aug 9, 2017 at 6:00
Why exactly can't a single resistor be used for many parallel LEDs?
Awarded Aug 6, 2017 at 21:54
Is C++ suitable for embedded systems?
Awarded May 4, 2017 at 16:00
What is a decoupling capacitor and how do I know if I need one?
Awarded Apr 18, 2017 at 13:58
Why is the diode forward voltage constant?
Awarded Mar 30, 2017 at 7:12
Why Are Ethernet/RJ45 Sockets Magnetically Coupled?
Awarded Mar 27, 2017 at 14:38
Why does a resistor need to be on the anode of an LED?
Awarded Feb 23, 2017 at 4:45
Where does electricity go after being used?
Awarded Nov 9, 2016 at 17:32
Why are there no 256-bit or 512-bit microprocessors?
Awarded Sep 7, 2016 at 1:03
How many GPS channels make sense?
Awarded Sep 1, 2016 at 12:40
What is a decoupling capacitor and how do I know if I need one?
Awarded Jun 14, 2016 at 18:24
Why is there so much fear surrounding LiPo batteries?
Awarded Apr 25, 2016 at 11:08
Why does TI have so many microcontrollers?
Awarded Jan 28, 2016 at 15:51
How does the current know how much to flow, before having seen the resistor?
Awarded Oct 30, 2015 at 15:16
My linear voltage regulator is overheating very fast
Awarded Oct 24, 2015 at 10:57
How are integrated circuits fabricated?
Awarded Aug 17, 2015 at 20:44
USART, UART, RS232, USB, SPI, I2C, TTL, etc. what are all of these and how do they relate to each other?
Awarded Jul 1, 2015 at 18:56
What is the difference between \$V_{CC}\$, \$V_{DD}\$, \$V_{EE}\$, \$V_{SS}\$
Awarded Dec 20, 2014 at 20:59
What's the difference between a microcontroller and a microprocessor?
Awarded Nov 22, 2014 at 2:32
How can I efficiently drive an LED?
Awarded Nov 17, 2014 at 23:54
How can anyone use a microcontroller which has only 384 bytes of program memory?
Awarded Oct 12, 2014 at 23:38
Choosing power supply, how to get the voltage and current ratings?
Awarded Aug 28, 2014 at 7:13
Basic Electronics Book
Awarded May 11, 2014 at 4:12
Rules and guidelines for drawing good schematics
Awarded Nov 5, 2013 at 11:07
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