User Leon Heller - Electrical Engineering Stack Exchange

Leon Heller

Member for 13 years, 10 months
Last seen more than a month ago

webspace.webring.com/people/…
St. Leonards-on-Sea, United Kingdom

882 Answers

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8 votes

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How do constant current power supplies work?

answered Feb 5, 2011 at 23:20

8 votes

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DIY UV Exposure Unit for Making PCBs

answered May 4, 2011 at 18:42

8 votes

Are there any generic "how to use this part" guides for basic discretes?

answered Apr 11, 2011 at 16:30

8 votes

What is this component(pic)?

answered May 23, 2011 at 22:18

8 votes

Spacewar on microcontroller

answered May 24, 2011 at 3:02

8 votes

Vacuum tube systems in Apollo era space missions

answered May 25, 2011 at 19:12

8 votes

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Copper PCB traces not connected?

answered Dec 4, 2011 at 23:40

8 votes

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Most used capacitor values

answered Nov 23, 2011 at 23:16

8 votes

Why is my XNOR output always low?

answered Dec 28, 2011 at 23:02

7 votes

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Why do we call it a "board spin"?

answered May 24, 2012 at 16:51

7 votes

SDRAM Termination Resistors: Are They Needed?

answered Aug 24, 2012 at 13:06

7 votes

Accepted

Resistor symbol in a schematic with zero value

answered Dec 19, 2016 at 8:04

7 votes

ICs with humidity or moisture sensitivity - bake recommendations

answered Dec 1, 2011 at 2:28

7 votes

Is connecting two GND planes with vias a standard practice?

answered Mar 17, 2012 at 21:38

7 votes

Sourcing parts for Really, Really low frequency filters

answered Jul 27, 2011 at 12:17

7 votes

Accepted

Homemade printing and soldering for small components.. the best way

answered Oct 13, 2011 at 11:36

7 votes

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arduino duemilanove why does it have 1k resistors on txd and rxd

answered Oct 8, 2011 at 10:47

7 votes

Footprints for SMD electrolytic capacitors

answered Nov 14, 2011 at 11:33

7 votes

How does a PLL inside a FPGA work?

answered May 25, 2011 at 10:50

7 votes

Accepted

Control 220V AC line using MCU

answered May 21, 2011 at 10:44

7 votes

Why thermal reliefs on vias?

answered May 19, 2011 at 10:59

7 votes

Msp430 Launchpad Programming

answered Apr 30, 2011 at 22:10

7 votes

Accepted

Low-cost PCB prototyping

answered Apr 26, 2011 at 10:15

7 votes

How to have arduino only turn on when enough power has been collected?

answered May 4, 2011 at 8:10

7 votes

shift registers: differences between the standard parallel-in serial-out ICs

answered May 4, 2011 at 17:05

7 votes

Accepted

Difference between BGA and LGA

answered Feb 4, 2011 at 13:17

7 votes

Is there a simple Geiger counter component?

answered Mar 30, 2011 at 16:17

7 votes

What is the purpose of solder mask expansion?

answered Apr 5, 2011 at 16:38

7 votes

Accepted

Regulator cooling in a confined space

answered Mar 17, 2011 at 22:04

7 votes

Accepted

Why do frequency synthesizers often use N/N+1 prescalers?

answered Dec 18, 2010 at 15:19

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