Archive for the 'Robots' Category

ODROID-C1 is now a supported RoboPi platform

Thursday, February 5th, 2015

Single Board Computers have been adopting the Raspberry Pi GPIO connector pin out – first with the 2×13 26 pin GPIO header of the original Model A & B, then with the 2×20 40 pin GPIO header of the Model A+, B+, and now Raspberry Pi 2 Model B.

I am pleased to add the Hardkernel ODROID-C1 to the list of single board computers supported by RoboPi and its easy to use libraries.

MIPS Creator CI20 Review @ https://Mikronauts.com

(click on image for larger version – RoboPi on a MIPS Creator CI20)

RoboPi Advanced Robot Controller features eight analog inputs, and 24 flexible digital I/O’s

Each flexible I/O can be configured from the RoboPi API as:

  • digital input
  • digital output
  • servo output
  • pwm output
  • ultrasonic range sensor input

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Each flexible I/O pin configuration is independent, and may be used in any mix.

RoboPi Supported Platforms as of February 5, 2015 are:

  • Raspberry Pi Model A
  • Raspberry Pi Model B
  • Raspberry Pi Model A+
  • Raspberry Pi Model B+
  • Banana Pi
  • Banana Pro
  • MIPS Creator CI20
  • ODROID-C1

All of the above platforms support the C/C++ RoboPi API, and all except the MIPS Creator CI20 support the Python API.

Support for the new Raspberry Pi 2 Model B will be added as soon as possible after UPS drops off the new boards (ETA Feb.6/2015)

For more detailed information, including the downloadable User Manual, please visit https://RoboPi.com

For more information or support, please visit the Mikronauts forums at https://forums.mikronauts.com or email mikronauts (at) gmail.com

You can find a simple RoboPi project at https://www.mikronauts.com/robot-zoo/elf-2wd-pi-robot/

 

Raspberry Pi Model A+ works great with RoboPi!

Wednesday, November 26th, 2014

I received the Raspberry Pi Model A+’s on Monday, and have been playing with one whenever I found some “spare” time.

Raspberry Pi Model A+ with RoboPi @ https://Mikronauts.com

(click on image for larger version)

Here we have the “Hello World!” of the electronics world – lighting an LED:


Python 2.7.3 (default, Mar 18 2014, 05:13:23)
[GCC 4.6.3] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.
>>> import RoboPiLib as RoboPi
>>> RoboPi.RoboPiInit(“/dev/ttyAMA0”,115200)
>>> RoboPi.pinMode(0,RoboPi.OUTPUT)
>>> RoboPi.digitalWrite(0,1)


It worked on the first try!

Mind you, that did not surprise me. I would have been shocked if the A+ was not compatible with add-ons that worked with the B+

Just like with the B+ standoffs can be installed on the A+ that RoboPi can rest on to stop it from “flopping around”.

Related Links:

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Pi Camera Adventures

Sunday, November 2nd, 2014

The Raspberry Pi Camera has been around for a long time, unfortunately I have not previously had time to use mine.

I thought others may find the list list the resources I found to be the most useful so far for using the Pi Camera – so I started a blog page for Raspberry Pi Camera Adventures!

Raspberry Pi Camera @ https://Mikronauts.com

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For the full article, please click on the link below:

https://www.mikronauts.com/raspberry-pi/raspberry-pi-camera-adventures/

PiBoe gets a haircut!

Thursday, October 23rd, 2014

PiBoe was way too tall due to how I mounted the Raspberry Pi on the Boe-Bot chassis.

I decided to replace two decks, and the spacers between them, with a single sintra deck, with the Raspberry Pi mounted closely on top of the sintra. This allowed shaving over an inch of height from PiBoe!

PiBoe with a haircut!

For more on the changes, including original tall and more shorter photos, visit the full article at:

https://www.mikronauts.com/robot-zoo/piboe/

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Elf Build Log Updated

Wednesday, October 22nd, 2014

Elf HC-SR04

Today, I updated my Elf Raspberry Pi and RoboPi based robot build log with:

  • wiring info and photos for the L9110S motor driver
  • wiring info and photos for the HC-SR04 range sensor
  • sample Python code for RoboPi controlling the motor driver via PWM and reading the range sensor

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Elf: https://www.mikronauts.com/robot-zoo/elf-2wd-pi-robot/

RoboPi: www.mikronauts.com/raspberry-pi/robopi/

I welcome your questions and feedback!