Olin Lathrop‭

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www.embedinc.com

Electrical engineer since 1980. Microchip Platinum level Design Partner. Significant experience with microcontrollers, particularly Microchip PICs, low level analog, low power, switching power supplies, motor control, digital process control, board design, and lots of other things you bump into while doing the above. For the gory details, see my resume at http://www.embedinc.com/olin.

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Challenges Can you give me half?

Embed ESCR, 6 unique characters, 19 bytes [/ [*] [+ [*] [*]]] Each [] pair of brackets encloses an in-line function. The first token in a function is the function name, and subsequent tokens, if...

posted 2y ago by Olin Lathrop‭ · edited 2y ago by Olin Lathrop‭

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Challenges Make my value binary

Embed ESCR, 16 characters [int n "base 2"] The INT function produces the text representation of an integer with lots of formatting options. The only non-default option needed was to set the numb...

posted 2y ago by Olin Lathrop‭ · edited 2y ago by Olin Lathrop‭

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Challenges Looping counter

Embed ESCR, about 32 characters depending on how you count loop append s "*" show s endloop The indentation is not required, but shown for clarity. Declaring the variable S is also not ...

posted 2y ago by Olin Lathrop‭ · edited 2y ago by Olin Lathrop‭

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Meta Thoughts on hiding challenge sections with expandable details tags

I don't like the partially or fully hidden examples. Those require more work to see the details, instead of just scrolling on. Anyone curious enough about a challenge from the title will want to ...

posted 2y ago by Olin Lathrop‭

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Challenges Make $2 + 2 = 5$

ESCR - not a golfing answer This isn't really an answer to the question, and it's not an attempt at golfing. However, it shows a cute trick for solving this problem that falls out of the way the ...

posted 10mo ago by Olin Lathrop‭ · edited 10mo ago by Olin Lathrop‭

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Challenges It's Hip to be Square

Embed ESCR, 28 characters [= [exp [rnd [sqrt n]] 2] n] The number to test is in N. There are 4 nested functions. From inner to outer: SQRT takes the square root of N. This produces a floating ...

posted 2y ago by Olin Lathrop‭ · edited 2y ago by Olin Lathrop‭

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Challenges A number adder, not a death adder

ESCR, 35 bytes show "show [+ [arg 1] " [arg 1] "]" The SHOW command writes to standard output. The parameters in quotes are just fixed strings. The ARG function returns a numbered argument. In...

posted 2y ago by Olin Lathrop‭

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Challenges Evens or Odds - you know this one

ESCR, 17 bytes show [and [in] 1] ESCR has no way to read from standard input (currently), so I assumed the existence of the function IN which magically returns the user input. Since the user i...

posted 2y ago by Olin Lathrop‭

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Reputation		81
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Number of answers		8
Sum of received votes (up minus down)		8
Number of edits made		6

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