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make_your_own_arduino
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make_your_own_arduino [2018/12/01 14:49] sdh7 |
make_your_own_arduino [2019/07/25 17:02] (current) sdh7 |
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| * Basics of soldering in case anyone is a new solderer. | * Basics of soldering in case anyone is a new solderer. | ||
| * Resistors | * Resistors | ||
| - | * 1K (bigger, brown-black-red) | + | * Resistors resist the flow of current. |
| + | * 1K (bigger, brown-black-red) - this one keeps the LED from burning out and/or being blindingly bright | ||
| * 10k (smaller, brown-black-orange) | * 10k (smaller, brown-black-orange) | ||
| * IC socket | * IC socket | ||
| Line 30: | Line 31: | ||
| * Tack first pin in, then adjust fit as needed | * Tack first pin in, then adjust fit as needed | ||
| * Capacitors | * Capacitors | ||
| + | * Capacitors store a charge. | ||
| * 18pF (2) (have black splotch across the top) - in the XTL & Caps area just above the microcontroller. | * 18pF (2) (have black splotch across the top) - in the XTL & Caps area just above the microcontroller. | ||
| + | * These along with the crystal make up the timing circuit for the microcontroller. | ||
| * .1 uF (3) - two in the top left corner, one just above the microcontroller. The one in the lower left corner can be ignored unless you want to add a 2.1mm power input and 7805 voltage regulator. | * .1 uF (3) - two in the top left corner, one just above the microcontroller. The one in the lower left corner can be ignored unless you want to add a 2.1mm power input and 7805 voltage regulator. | ||
| + | * These function as "decoupling capacitors" and smooth out any irregularities in the power | ||
| * Switch - RST | * Switch - RST | ||
| * LED - Square Hole + (long lead) | * LED - Square Hole + (long lead) | ||
make_your_own_arduino.txt · Last modified: 2019/07/25 17:02 by sdh7
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