Archive for the 'Raspberry Pi' Category

PDALib.py v0.90 Python API for Pi Droid Alpha released – and it is RoboPi compatible.

Tuesday, August 25th, 2015

I’ve uploaded the first release version of the Python API for Pi Droid Alpha, and it is compatible with the Python API for RoboPi.

Yep, this means you can start building your robots with Pi Droid Alpha, and when you need a more powerful robot controller, you can move up to RoboPi – and your existing code will run!

Pi Droid Alpha @ https://Mikronauts.com

(click on image for larger version)

The API is extremely easy to use, and will be very familiar to Wiring and Arduino users 🙂

If you are curious about the API:

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If you would like to discuss Pi Droid Alpha, RoboPi, their API, or robots, join our forum!

 

Pi Droid Alpha & Prototyping boards

Thursday, August 20th, 2015

I am still working on the Pi Droid Alpha user manual and associated Python API, but I’d thought I would update y’all on what I am also working on right now… (and  there be a sale!)

Pi Droid Alpha @ https://Mikronauts.com

Site News

  • Mikronauts ad is in the September 2015 issue of Servo on p.13
  • Pi Droid Alpha new product announcement is in Servo on p.21 (same issue)
  • My ODROID-XU4 Review has received a lot of interest
  • I hope to publish the XU4 Shifter Shield review early next week

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Santa’s helpers have dropped off a box with a nice pre-release quad core ARM SBC, look for a review of it real soon!

Cheaper Shipping!!!

  • I’ve found a freight forwarder to work with, which allows me to offer cheaper shipping to the US – with tracking!
  • Would you believe it is cheaper for me to ship to the US than to Canada??? Weird, eh?
  • I also have somewhat better rates to the UK and UE, but I am still trying improve shipping there

Back-To-School Sale

I remember how painful it was to go back to school, so I decided to put Mikronauts prototyping boards on sale.

  • EZasPi prototyping board for the Raspberry Pi (now $10.95USD+s/h)
  • EZasPi (B) prototyping board for the Raspberry Pi (now $10.95USD+s/h)
  • EZasBone prototyping board for the BeagleBoneBlack (now $12.95USD+s/h)
  • EZasPieProto300 large general purpose prototyping board (now $9.95USD+s/h)
  • EZasPieProto600 large general purpose prototyping board (now $9.95USD+s/h)

The prototyping boards are also available in two and five packs for even greater savings.

VISIT OUR EBAY STORE

 

PiDroidAlpha & RoboPi = same Python API

Thursday, July 30th, 2015

Ok, I can’t sit on this any longer.

Pi Droid Alpha @ https://Mikronauts.com

(Click on image for larger version)

The Pi Droid Alpha Python API is 99% compatible with the RoboPi Python API !!!

This means that you can have a mixture of Pi Droid Alpha and RoboPi based Raspberry Pi robots, and the Python programs you write will work on either platform!

Ok, there are some limitations, due to the different architecture of RoboPi and Pi Droid Alpha, however as long as you keep your servos, PWM outputs, and ultrasonic sensors on pins 0-7, your programs will run the same on both controllers.

This limitation is due to Pi Droid Alpha only having eight servo/PWM/ping capable FlexIO pins with an additional 16 digital I/O only pins, whereas RoboPi has 24 FlexIO pins (made possible by RoboPi’s eight core 32 bit RISC co-processor)

Some of the API may seem a bit familiar to you:

pinMode(), digitalRead(), digitalWrite(), analogRead(), analogWrite(), servoRead() and servoWrite()

along with some less familiar additions like readMode(), readDistance() and more.

readDistance() is not implemented on Pi Droid Alpha yet… however I am working on it.

Elf RoboPi + Raspberry Pi Robot @Mikronauts https://Mikronauts.com/

(RoboPi based Elf robot – click on image for larger version)

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Pi Droid Alpha Build Manual v0.80 is now available

Tuesday, July 28th, 2015

I’ve uploaded v0.80 of the Pi Droid Alpha manual to the product page.

Pi Droid Alpha @ https://Mikronauts.com

(Click on image for a larger version)

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I am currently working on the Pi Droid Alpha User Manual, which will include some demo code.

I expect to publish the User Manual on or before August 2, 2015

SATA and the Raspberry Pi 2

Tuesday, July 21st, 2015

Users new to the Raspberry Pi 2 often want to add extra storage, leading to questions along the lines of “How can I add a SATA hard drive to a Raspberry Pi?” being asked on the forums.

https://Mikronauts.com Raspberry Pi 2 USB hard drive and adapter tests

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Link: How can I add a SATA hard drive to a Raspberry Pi?