“…though it has a bit less memory than it used to, since some corrupted sectors had to be quarantined.”
Mars Rover Curiosity is switching brains so it can fix itself
What does that mean?
“…though it has a bit less memory than it used to, since some corrupted sectors had to be quarantined.”
Mars Rover Curiosity is switching brains so it can fix itself
What does that mean?
I purchased 2 different kinds of servo motors for my robot Arduino project.
One on Amazon:
https://smile.amazon.com/gp/product/B076CNKQX4
Four on Ebay.
They both arrived quickly.
I tried using the four on Ebay first.
“4PCS Digital MG996R MG995 High Torque Metal Gear Servo For Racing Futaba JR RC”
Eventually the pwm servo driver board I was using started smoking. I sent the people who make the board, SunFounder an email:
“I bought a SunFounder PCA9685 16 Channel 12 Bit PWM Servo Driver for Arduino and Raspberry Pi on Amazon for 11.99.
I followed the instructions here:
After awhile, the 9685 board started smoking. I was wondering what it could be? I was trying to adjust the min/max of the servo and noticed every time I restarted the power it would rotate a bit in one direction consistently. I think that’s a bug in the software. I Googled and found someone who had the same problem.
I also have this problem:
I was also wondering if the voltage from that wiki page could be too high?
I think without some help if I bought another 9685 board it would just start smoking too and be ruined.
It did work for awhile, but I tried running the example code where you could set the min and max and it knocked up against the metal not being able to move.
I attached a picture. The smoking came from the component to the left of the word power.”
My project now has 4 motors and 2 distance sensors. It detects if it will hit something according to its sensors and will head back in reverse.
Powered by 16 AA batteries and 1 9V
I am now waiting on a part from tindie.com in order to connect more ultrasound distance sensors.
I have put some parts together I ordered. It’s using the 2 nasa wheels but different motors and everything else. It is all powered by a 9 volt battery now. I am getting a case for 8 AA batteries to generate 12 volts and I think more available current. Hopefully, that will increase the torque of the 2 motors.
Here’s some open source plan on how to build the Mars curiosity rover at a cost of $2,500:
https://opensourcerover.jpl.nasa.gov/
BBC News – Baidu’s self-drive buses enter ‘mass production’ https://www.bbc.com/news/technology-44713298