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1
Misc / Robot to cross road in mumbai
« Last post by YYUTYUTYU on October 30, 2019, 04:16:07 AM »
Hello
how to build robot to cross road in Thane roads safely  mumbai
2
Robot Videos / Re: Wall Art Printing Drone
« Last post by Julian D. Powell on October 28, 2019, 12:37:11 AM »
Cool, this can be useful in many scopes.
3
Robot Videos / Re: Wall Art Printing Drone
« Last post by roineust on October 27, 2019, 09:56:33 AM »
It might be possible to print also on more rough surfaces, given correct modifications.
4
Robot Videos / Re: Wall Art Printing Drone
« Last post by Julian D. Powell on October 27, 2019, 06:38:44 AM »
I wonder if it can work on any kind of vertical surface?
5
Robot Videos / Re: Wall Art Printing Drone
« Last post by roineust on October 26, 2019, 10:26:25 AM »
Thanks!
6
Robot Videos / Re: Wall Art Printing Drone
« Last post by Julian D. Powell on October 26, 2019, 06:44:19 AM »
Nice! Really awesome
7
Robot Videos / Wall Art Printing Drone
« Last post by roineust on October 17, 2019, 06:41:04 AM »
Please look at the video of a wall art printing drone that i have built:

t=3s]https://www.youtube.com/watch?v=Hj9UDmWpyks&t=3s

Also, here is the printing-driving module of the drone, at work on a horizontal surface:

t=3s]https://www.youtube.com/watch?v=sJ8g01swOR4&t=3s

t=3s]https://www.youtube.com/watch?v=w7mBPC7YXgc&t=3s
8
Electronics / Re: Current Draw of A Voltage Regulator
« Last post by pragash on October 12, 2019, 08:10:46 AM »
hi, dunk,
good explanation. how if it is a switching regulator?
9
Mechanics and Construction / "Motors that can do overkill"
« Last post by Bill. on September 24, 2019, 09:27:50 AM »
Hi,

On this page:
https://www.societyofrobots.com/robot_tutorial.shtml

It says:
Quote
"get motors that can do overkill"

My first project will be ...

small 2 wheeled, differential drive, robot car
a third wheel (ball caster) for balance

Controlled by a Raspberry Pi and a RoboClaw

3" diameter wheels

My approach to pick an RPM was to walk 15 feet at a speed that I thought was OK for the car.

That took 7 seconds and about 19 revolutions of the wheel.

That equates to about 163 RPM.

My thought was to pick one of the micro-gear motors at ServoCity or Pololu.

Question: does "do overkill" mean I should pick a greater RPM like 220 or should I stick with the 163-ish range and pick a motor with more torque (hmm, but that could lead to a larger battery and more weight).

Thanks,
Bill
10
Friend has this and it seems to power up but no controller or software. is that stuff hard to come by? googling seems confusing and I am over my head. Thanks in advance...
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