22,309 reputation
12363
bio website n/a
location Toronto, Canada
age 40
visits member for 4 years, 6 months
seen 7 hours ago

c programmer, embedded dabbler, power supply tinkerer. (also loser of three consecutive moderator elections on EE.SE.)

[formerly known as 'madmanguruman' but shed that identity after a nice conversation with Olin Lathrop at Microchip MASTERS 2014.]

almost 15 years experience with switching power supplies at two different companies in the greater toronto area. worked my way from production technician to sustaining engineering, then product development (electrical and embedded). also fluent in vba and labview. currently studying project management theory while working as a power supply designer.


1d
revised Old power supply regulation board will not trim to spec
deleted 106 characters in body
Mar
21
comment Getting UL certification for neon signs
Contact your local UL office and ask for a quotation.
Mar
21
comment Analog function generator ICs?
Kind of cool that it took almost 4 years before this question was voted to be closed. :)
Mar
20
answered Analog function generator ICs?
Mar
18
comment Microchip PIC18F24K50 I2C master talking to SHT21
Um, any reason why you're not checking for NACKs after sending the addresses? Shouldn't you be doing a restart before sending the address + read bit?
Mar
17
comment Selecting Loading Capacitor Values for 32 kHz Crystal
I wouldn't use NP0 in this application.
Mar
12
comment STM32 L1 Bootloader: What is needed after a full memory erase?
Please add hyperlinks to your reference documentation. If you help those who can help you, they are more likely to help you.
Mar
12
revised Question on large signal MOSFET DC Circuit Analysis
added 42 characters in body
Mar
12
revised PIC18F26K20 cannot set internal oscillator to high speed
deleted 29 characters in body
Mar
11
comment Logic Circuit Design
You will find that there are many correct ways to solve problems. If the output gives you the correct result then it is correct logically, but there may be other solutions that also give the correct value.
Mar
11
answered Logic Circuit Design
Feb
27
comment Arduino Based Solid State Drive
The legacy SATA 1.0 throughput of 1.5 GB/s is going to be a huge problem without dedicated hardware - I don't think you stand a chance on any Arduino.
Feb
24
comment Frequency measurement using PIC
Please take all of the additional information that you've provided in these comments and edit your original question with these details. No one should have to read through a long thread of comments to understand exactly what you're asking, and many people on this site simply won't help you because your question is vague.
Feb
17
revised Reduce power supply voltage
added 426 characters in body
Feb
13
comment Safety concerns over generic switching power supply units
Indeed. This answer is assuming a North American distribution system.
Feb
6
comment analyzing op amp circuit
I don't have any issue with your answer, just how it's presented.
Feb
6
comment analyzing op amp circuit
@user65652 Same comment for OP as for the answerer - this would be a much better question if you had just the electrical part as an image, and that big block of text beneath the circuit as actual text. Words on pictures aren't easily searchable.
Feb
6
comment analyzing op amp circuit
I think this would be a much better answer with the schematic figures as separate images, and the derivations included as MathML and text. A single point of failure would eliminate this answer entirely, plus it's not searchable / indexable.
Feb
4
answered PIC24 - testing I2C module dead/alive
Feb
3
comment LM2576 may I use bigger or lower inductors?
This device has fixed compensation. "Is is OK?" is going to be something you'll need to empirically evaluate over the load and input ranges.