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Revision as of 13:23, 10 February 2008
Another new page by russ_hensel, not much more than a stub now. Feel free to join in with your recommendations.
Popular
So many parts, so many variations, which to pick. Why not try to see what is popular:
- The Big List These are the parts the EE Shop keeps in stock to sell to students. UNL likes them why not us?
- This section contains circuit examples from commercial products and datasheets of transistors which are studied in this course. If MIT studdies them, maybe they are worth looking at.
- Choosing an op amp: it's no longer a trying task The oldies in particular may be good, but not expensive parts.
- Starting with PICmicro controllers See the Selecting a PIC Section
If you are working with X then Y
X=PIC's
| What | Comment | Specific Part
|
|---|---|---|
|
The PIC |
|
16F877?
|
|
Proto Board |
Some People hate them, but many find them a nice quick way to experiment. I have found a max clock speed of 4 megHz works well. |
?
|
|
Crystals |
I keep 4 megHz and 20 meg Hz on hand. Note that some PICs can do without crystals, but timing is not very accurate. Check your spec. sheet, some PICs may be able to go to 40 meg Hz. Note that a couple of capicators are needed as well. Ceramic resinoaters ( sp ) may be used instead. |
|
|
Pull Up Resistors |
Can be used as pull down. I use 10k ohms, often useful for other stuff as well. |
Comment |
|
Voltage Reg |
Easy choice is LM7805. A couple of caps usually go with it. .1 and .01 bypass caps are generally useful. |
|
| Op Amp | Need to condition you inputs, a op amp may be just the thing, see section on op amps. | |
| LED | How else can you say hello world? Pretty much anything will do. Do not forget to get a current limiting resistor 220 ohms or anything close. |
|
| Push Button | Need this for input. I get mine from salvage. Later I will find a source for you. |
|
| Low Side Driver | comment | specific |
| High Side Driver | comment | specific |
X=Op Amps
| What | Comment | Specific Part
|
|---|---|---|
| Op Amps | Of Course, consider: |
|
|
Proto Board |
Some People hate them, but many find them a nice quick way to experiment. |
?
|
| Resistors | For precise gain you need 1 percent resistors. I start with 10k and use multiples and sub multiples. |
|
| trim pots | When you need a bit of adjustability. |
|
