Let's Make Robots!

It's Christmas!

TotoroYamada's picture

When i told my little brother's boss that i was starting to make robots, he answered me "well, i used to do a lot of electronics when i was younger, i may have some stuff that could be useful to you", and i was like cool, i'm gonna have a bunch of resistors... And that's what he gave me :

tout1.jpg

tout2.jpg

tout3.jpg

 tout4.jpg

So that's big bunch of stuf, i have even no idea about what half of those stuff are for, but i'm sure i'll figure out soon enough ^^

Those stepper motors look pretty cool :

stepper_motors.jpg

even if i don't know how to use them, and can't find any datasheet.

I also have that "mercury-switch" :

mercury_switch.jpg

25 of those LM324N :

lm324n.jpg

it seems that they are "Low Power Quad Operational Amplifier", whatever it means...

I also have a dozen of those things :

stuff.jpg

but i don't have the slightest idea about what it is.

Add to that gears, bumper switches and switches of all sorts, leds and plenty of other cool stuff!

 

So i was already quite happy, but cherry on the chicken, i also received my SRF05 that i ordered last monday from Active Robots (very fast shipping!):

srf05.jpg

 

So robotically speaking, that was a pretty cool day! :D

 

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Edgee's picture
Now make something amazing! 
TotoroYamada's picture

Thanks for the tip mate, i'll try!

 

 [Edit] sh*t i forgot the "Reply" button... sorry Rik...

TotoroYamada's picture

Thanks guys for those explanations!

For the heatsinks, i think i could have guessed... 

About the stepper, there already  is a lot of useful informations in the third picaxe fucking manual, it's more a question of wires color...

"These are very useful for boosting analog signals for your processor. For example you could connect microphones, phototransistors, PIR sensors etc."

Ok, i thought it was something to boost the output... Indeed it could be pretty useful.

 

But anyway, i'm not planning to use all those things right now, i already have a ton of stuff to explore and discover!

OddBot's picture
Every newbie panicks over wire colour. It doesn't matter. Use a multimeter in the low ohms setting and you will soon see that in your case you have two seperate pairs of coils. Each pair is wired in series with a centre tap wire.
OddBot's picture

These are very useful for boosting analog signals for your processor. For example you could connect microphones, phototransistors, PIR sensors etc.
Each chip has four seperate amplifiers that can be used independantly or in combination.

Google "opamp handbook" for hundreds of uses and explanations of how they work. 

OddBot's picture

The steppers don't need a data sheet really. The data is on the label. 4V, 0.9A, 200 steps per revolution (1.8 x 200 = 360 degrees).
These are top quality motors from a printer by the look of them. It is hard to tell from the photo but they look like 6 wire. They can be driven in more than one way.

Google Stepper motor with words such as Bi-polar, Uni-polar, half wire and full wire.

They could be driven with a L298N or a L293  (see the component section) 

rik's picture

stuff.jpg

These are cooling fins. You bolt them onto components with a hole in them. Components that would otherwise get too hot. These are the thingeys that help to keep the magic smoke inside.

Also: check the thread about sun screen.

 

OddBot's picture
In sunny Queensland the zinc ceam is always a stones throw away but it is a last resort, proper heat transfer compound is preferable. Those heatsinks look like they are for component in a TO-220 package such as 7805 voltage regulators and most power FETs / Transistors.
voodoobot's picture

I'd say you hit a nice jackpot with all of that stuff.....nice aquisition!!