We try to keep our books accurate, but sometimes mistakes creep in. This page lists the errors submitted by our astute readers. If you've found a new error, please submit it.

The latest version of the book is P1.0, released about 1 year ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

Key: Typo Tech. Error Suggestion Not a problem Next edition

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(To find out what version you have, look at the copyright page, a few pages in from the front of the book. If it says (say) 'Second Printing', then here it'll be P2.0. If there are interim PDF releases in that printing, they'll be 2.1, 2.2, and so on.)

PDF Paper Description Found in Fixed in
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#49356: I recommend you don't use a sans-serif font for filenames/codes/library names when they're within regular body text (i.e. inline). You should...more...
 P1.0
19-May-12
35

#49283: "considering sharing your discoveries" should be "consider sharing your discoveries"--Paul Thompson

 P1.0
06-May-12
37
#49284: "replace the broken Ethernet.h in the original #include statement with #include Ethernet2.h" should be "replace the broken Ethernet.h in the o...more...
 P1.0
06-May-12
37
#49285: "replace the broken Ethernet.h in the original #include statement with #include Ethernet2.h" should be "replace the broken Ethernet.h in the o...more...
 P1.0
06-May-12
37

#49286: In "Ethernet2.h instead", "instead" is superfluous.--Paul Thompson

 P1.0
06-May-12
38
#49287: "MAC" has already been defined on page 36 (i.e. "Media Access Control"), so no need to define it again on page 38. Replace: "Media Access Cont...more...
 P1.0
06-May-12
38

#49288: Why have you written "IP Address" on page 38, but "IP address" on page 36?--Paul Thompson

 P1.0
06-May-12
62
#49785: The Arduino that I have monitoring my sump pit is sitting in a hobby box mounted on the wall several feel (should be feet, right?) above the s...more...
 P1.0
06-Sep-12
70

#49463: The XBee is directly connected to +5V (Figure 14). But it operates on 3.3V. If you connect the XBee directly like this, it might destroy your XBee.--Markus

 P1.0
26-Jun-12
91

#49544: In the code comments at the bottom of the page, it says "poll FLEX _SENSOR". It should say "poll FORCE_SENSOR".

 P1.0
19-Jul-12
100

#49355: "packagedelivery" is a database/filename. You shouldn't let it hypenate/split across lines just like it's a regular english word.--Paul Thompson

 P1.0
19-May-12
187
#51454: I get a problem here: -- <callout id="code.osx-voice-automation.scpt.miscmusic"/> as well as when i try to "play music", it goes has an ...more...
 P1.0
06-May-13