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Doc/resistant color #1667

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Oct 14, 2020
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Doc/resistant color #1667

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12 changes: 9 additions & 3 deletions exercises/resistor-color-duo/description.md
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If you want to build something using a Raspberry Pi, you'll probably use _resistors_. For this exercise, you need to know two things about them:
If you want to build something using a Raspberry Pi, you'll probably use _resistors_.
For this exercise, you need to know two things about them:

* Each resistor has a resistance value.
* Resistors are small - so small in fact that if you printed the resistance value on them, it would be hard to read.
To get around this problem, manufacturers print color-coded bands onto the resistors to denote their resistance values. Each band has a position and a numeric value. For example, if they printed a brown band (value 1) followed by a green band (value 5), it would translate to the number 15.

In this exercise you are going to create a helpful program so that you don't have to remember the values of the bands. The program will take color names as input and output a two digit number, even if the input is more than two colors!
To get around this problem, manufacturers print color-coded bands onto the resistors to denote their resistance values.
Each band has a position and a numeric value.

The first 2 bands of a resistor have a simple encoding scheme: each color maps to a single number.
For example, if they printed a brown band (value 1) followed by a green band (value 5), it would translate to the number 15.

In this exercise you are going to create a helpful program so that you don't have to remember the values of the bands.
The program will take color names as input and output a two digit number, even if the input is more than two colors!

The band colors are encoded as follows:

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13 changes: 12 additions & 1 deletion exercises/resistor-color/description.md
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Original file line number Diff line number Diff line change
@@ -1,4 +1,15 @@
Resistors have color coded bands, where each color maps to a number. The first 2 bands of a resistor have a simple encoding scheme: each color maps to a single number.
If you want to build something using a Raspberry Pi, you'll probably use _resistors_.
For this exercise, you need to know two things about them:

* Each resistor has a resistance value.
* Resistors are small - so small in fact that if you printed the resistance value on them, it would be hard to read.

To get around this problem, manufacturers print color-coded bands onto the resistors to denote their resistance values.
Each band has a position and a numeric value.

The first 2 bands of a resistor have a simple encoding scheme: each color maps to a single number.

In this exercise you are going to create a helpful program so that you don't have to remember the values of the bands.

These colors are encoded as follows:

Expand Down