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Author Topic: 50$ project  (Read 2995 times)

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Offline deivs001Topic starter

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50$ project
« on: May 14, 2008, 12:32:23 PM »
Hi all!
My question is:
can i replace HS-311 with SG5010 Ball Bearings Servo

Offline Rebelgium

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Re: 50$ project
« Reply #1 on: May 14, 2008, 02:31:32 PM »
Yes you can.
But always be carefull with asian ebayers... :/
To relax after some hard work on robotics: A very fun free online text based MMORPG
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Offline deivs001Topic starter

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Re: 50$ project
« Reply #2 on: May 14, 2008, 02:38:52 PM »
 ;)
And with what I can replace those CdS Photoresistors if I want to make line follower.  I have in mind these: http://darisusgmbh.de/shop/product_info.php?products_id=12960

Offline bukowski

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Re: 50$ project
« Reply #3 on: May 14, 2008, 09:06:22 PM »
Hey, believe it or not, these are the same servos I used on the $50 bot.
No complaints (suprising), but I do have some pointers when it comes to modding them:
They have metal gears, and a metal pin to stop rotation. it is a mother to take out, but after some time with some needle nose and some elbow grease, they pop right out.
Also, the ball bearing inside the main gear is holding in the plastic piece that turns the pot. I couldnt get either out (the plastic piece or the bearing... looking back on it Im glad I didnt get the bearing out - would never have gotten it back in), so on the first one I melted out the plastic part with a soldering iron.  I realized this was stupid and messy and on the second I just clipped off the pot head with a pair of wire cutters and glued the rest in place.

Offline superchiku

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Re: 50$ project
« Reply #4 on: May 14, 2008, 10:00:02 PM »
replace it with ir or camera
JAYDEEP ...

IT AND ROBOTICS ENGINEER

"IN THE END IT DOESNT EVEN MATTER"

Offline deivs001Topic starter

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Re: 50$ project
« Reply #5 on: May 15, 2008, 01:28:51 PM »
These are things what i have ordered:
1 x   220uF 25V 105C 8x11.5 RG SAMWHA
1 x   8bit AVR MCU 5V 8K FLASH 16MHz SDIP28
1 x   CERAMIC 0.1uF 50V RM5 Z5U 0.1 1 2 10
1 x   Grid-Style PC Board 100x100mm
1 x   36 position breakaway male header
1 x   Green LED
1 x   POS V-REG 5V 1.5A 4%
1 x    28 pin DIP socket
5 x   340ohm resistor
5 x   1.62Kohm resistor
5 x   Photoresistor (ldr) 2-20k
2 x   High Speed Ball Bearing Servo SG5010 RC Futaba JR AU

I think it's all what needed to build 50$ robot. Can you confirm that?

Offline Private Reid

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Re: 50$ project
« Reply #6 on: May 16, 2008, 06:23:23 PM »
Yaah

thanks alot all!!!!!

you just fixed my servo problem!!!!

i was going to have to spend $60 on 4 servo's and then $20 postage, but these are perfect!!!

WOOOOOOOOOOOOOOOOO         ;D ;D ;D ;D ;D ;D :D :D :D :D :D ::)
This Post was proudly donated by Sam.

Offline Admin

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Re: 50$ project
« Reply #7 on: May 17, 2008, 04:52:23 PM »
Quote
They have metal gears, and a metal pin to stop rotation. it is a mother to take out, but after some time with some needle nose and some elbow grease, they pop right out.
Put the gear in a vice, then get a thin metel needle or screwdriver and hit it with a hammer to knock out the pin.

 


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