John Espiritu
0a2e6614c4
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README.md
Resistor Color Code Calculator
A simple web app for computing the the resistance of a resistor.
Development
Using PHP's built-in web server (PHP must be installed on your machine):
php -t . -S localhost:4000
# or
make server-start
Reference
Color Values
From https://en.wikipedia.org/wiki/Electronic_color_code.
| Color | Value | Multiplier | Tolerance | HEX Color | PPM |
|---|---|---|---|---|---|
| None | - | - | ±20% | - | - |
| Pink | - | 0.001 | - | #e91e63 | - |
| Silver | - | 0.01 | ±10% | #b0bec5 | - |
| Gold | - | 0.1 | ±5% | #ffea00 | - |
| Black | 0 | 0 | - | #212121 | 250 |
| Brown | 1 | 10 | ±1% | #795548 | 100 |
| Red | 2 | 100 | ±2% | #f44336 | 50 |
| Orange | 3 | 1 000 | - | #ff9800 | 15 |
| Yellow | 4 | 10 000 | ±5% | #fdd835 | 25 |
| Green | 5 | 100 000 | ±0.5% | #4caf50 | 20 |
| Blue | 6 | 1 000 000 | ±0.25% | #2196f3 | 10 |
| Violet | 7 | 10 000 000 | ±0.1% | #9c27b0 | 5 |
| Gray | 8 | 100 000 000 | ±0.05% | #9e9e9e | 1 |
| White | 9 | 1 000 000 000 | - | #fafafa | - |