Errata for Make: Electronics

The errata list is a list of errors and their corrections that were found after the product was released.

The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.

Color Key: Serious Technical Mistake Minor Technical Mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted By Date Submitted
Printed Page 31
2nd paragraph in the yellow box

Contrary to what the book claims, watt is not a unit of work, but a unit of power. FYI, joule is a unit of work.

Repentinus  Nov 24, 2013
Printed Page 7
The green-dotted box

The boxed paragraph states: "When your skin is moist (for instance, if you perspire), its electrical resistance decreases. This principle is used in lie detectors, because someone who knowingly tells a lie, under conditions of stress, tends to perspire." Polygraphs, more colloquially known as lie detectors, are pieces of pseudoscientific junk. While it is true that moistening skin tends to increase its conductivity due to creating an electrolytic solution on the skin, and it is also true that polygraphs measure such changes, the conjecture that someone who knowingly tells a lie tends to perspire (more than usual) remains unproven and polygraphing is regarded as junk science.

Repentinus  Nov 24, 2013
Printed Page 6
First paragraph in the yellow box titled "Ohms"

The first sentence of the paragraph reads: "We measure distance in miles or kilometers, weight in pounds or kilograms, temperature in Fahrenheit or Centigrade—and electrical resistance in ohms." For your information, weight is a force measured in pounds-force or Newtons, not pounds-mass or kilograms.

Repentinus  Nov 24, 2013
Other Digital Version 55
Ukraine

Explanation for picture 2.48 says that it's the same scheme as in picture 2.35 but it is not. The components come in different order. I understand from googling that it does not matter if the resistor is on one side or the other from LED (am I right?), but it's extremely confusing for a newbie. Also you should probably note elsewhere that it does not matter. (maybe you do later in the book, but I haven't read it yet. (i'm reading the kindle version)

Ilya   Oct 16, 2013
Printed, PDF, ePub, Mobi, Safari Books Online, Other Digital Version Page 101
last paragraph

Wrong RadioShack part number given for board shown in Figure 3-26. In the last paragraph on page101, second to the last sentence, where it states: "Cheaper options are RadioShack part 276-147 (shown in figure 3-26), or PC-1 from All Electronics." It should be: "Cheaper options are RadioShack part 276-149 (shown in figure 3-26), or PC-1 from All Electronics."

Chuck Eckenroed  Oct 15, 2013
Other Digital Version 1522
Figure 2-48

I am using the Kindle version and don't have page numbers, but the location is 1522 in my Kindle. At the end of experiment 6 I saw that figure 2-48 had the positive and negative switched from 2-35 and was wondering if this was a mistake or not.

John Bihn  Sep 28, 2013