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Misc / What are your thoughts on human-like android robots?
« Last post by tessaw on December 20, 2017, 09:43:42 AM »
Hello All,

I hope this is the right place to post a topic like this.

It'd be of great use for my dissertation if I could get some of your expert opinions on robots that are designed to look like humans. I have attached images of android robots that have been developed. I'd appreciate if you could let me know your opinions on the following:

What are your initial thoughts on their appearance, how do they make you feel?

Are these robots how you imagine a robot to look like, if no, how do you imagine robots to look?

Do you think designing the appearance of robots on real humans is a good thing?

Do you feel threatened by these robots in terms of their human appearance?

Do these type of robots scare you?

Any sort of discussion around this topic will be useful, so don't feel pressured into strictly answering the questions I have asked.

Thank you in advance!

Misc / Re: Evolution Robotics, ER1 Robot, and ERSP Thread.
« Last post by wdbarnwell on December 18, 2017, 08:25:11 PM »
Has anyone ran ROS on the ER1? I have ROS installed on Ubuntu Mate and ROS is working fine. I've been to this site  and cloned the ROS package into the ~/catkin_ws directory for the ER1 but haven't got it working yet. Just wanted to know if anyone has used ROS and still using the ER1?

Electronics / Simple line follower robot!
« Last post by Adler on December 18, 2017, 07:58:21 AM »
Hi guys,...
today Iwanna upload a simple line follower robot proteus file!
It works very well!
suggest build it!
I dont upload my cods you have to write your own codes so you can enjoy own ability!
Electronics / Help Setting Current on DRV8825
« Last post by imseakin on December 16, 2017, 01:55:25 PM »
I'm trying to set the Current limit on a DRV8825. I put the negative of my multimeter on the GND pin (top right when pot is in lower left orientation) and then put the positive probe on the VREF point. I see the full voltage of the attached battery.

But when I put the positive probe on the center of the potentiometer, I get 0 (zero) volts and turning the pot does nothing.

Please help. I've tried this on four drv8825 boards and all of them show 0 volts regardless of how I turn the pot.

Thanks for your help.

Mechanics and Construction / Robot arm torque - reg
« Last post by Robo shankar on December 07, 2017, 05:48:31 AM »

I have found the online robot arm calculator from your website. The link is mentioned below


In this calculator, torque of M0 motor is less than the torque of M1 motor When i am giving same acceleration for the both motors. But all the arm weights & motor weights is acting on the M0 motor. So I think that the torque for M0 motor should be higher than the M1 motor. But it is not like that in calculator.

Is there any principle behind this ? or any formula to find out the torque of the M0 motor ?
Misc / New PWM Meter & Low Voltage Cutoff Switch
« Last post by ServoCity on November 30, 2017, 03:54:54 PM »
PWM Meter - $19.99
Need to know what PWM signal your receiver, robot or servo controller is sending? Simply plug in our PWM Meter to see a readout of the PWM signal in microseconds (?sec). If you wish to pass that signal on to your servo or device, just plug into the other set of header row pins.

Low Voltage Cutoff Switch - $19.99
It's important to protect your LiPo batteries from being drained below 3V/cell and our Low Voltage Cutoff Switch does just that. This switch has 3 modes; 1S, 2S or 3S and it simply passes the voltage on from the battery to the load (motor controller, ESC, servo controller, light, etc.) until the battery meets the cutoff voltage.

Whether you are powering a microcomputer like a Raspberry Pi, a microcontroller like an Arduino or an RC vehicle, our Low Voltage Cutoff Switch takes away one of the main challenges of working with LiPo batteries.
For Sale / [advertisement] For sale: Laifual harmonic drive for robots
« Last post by Kaylee Wang on November 28, 2017, 07:54:51 PM »
I am Kaylee from China, we produce Laifual harmonic drive for robots.
Our company website:

If you are interested in our products, plz contact with me freely.
Email: [email protected]
Whatsapp: +8615988271970

Misc / Cyber Monday Deals Now Active ! - ServoCity
« Last post by ServoCity on November 27, 2017, 09:12:45 AM »
Don't Miss out on our BIG Cyber Monday Deals - Today only !

Click on the link below to view Cyber Monday Sale
Mechanics and Construction / Robotic Hand
« Last post by icecapsule on November 23, 2017, 06:34:44 AM »
Hi, I'm planning on making a robotic hand for an art exhibition. From looking online, it seems this tutorial is laid out pretty well and should be suitable for my project;
However, I want the movement of the robot to be from code rather than from the glove, is this possible? The type of movement I want is pretty basic (I think!) it's just small random twitches and glitches, nothing specific. Thanks, Claire
Software / Re: Android robot control app
« Last post by Genius At Play on November 22, 2017, 03:25:19 PM »
Thanks brilliant, looks amazing. :D
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