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Paul Newton

Member Since 13 Nov 2011
Offline Last Active Aug 12 2016 04:20 PM

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About Me

I work in embedded electronics and software, and sometimes get time to play at robotics at home.

I grew up with the ZX81 and BBC micro when computers came with a programming language for free. Previously I have tried making home projects using 8051 and PIC processors, but have always been held back by not having (free) tools that include a high level language. 20 years on, and the nice tools are all free!

I currently have a Netduino plus v1 connected to an Ardumoto shield for driving two pairs of motors on a DFROBOT ROB0003 buggy. The buggy is fitted with Sharp analogue and digital range sensors, and a pair of bumper switches. It uses a pair of opto-isolators on the PWM outputs between the Netduino and Ardumoto shield; this prevents the motors running at power on and separates the Netduino and motor power supplies. I have used my "fix it" shield to breakout connections on the Netduino. On top of the buggy I have a set of LEDs driven by a 74HC595 via SPI; the LEDs indicate current direction.

Random facts:

If you are going to buy an Android tablet - make sure you have a padded room so it doesn't break when you throw it at the wall.

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Group Members
Active Posts 724
Profile Views 45093
Member Title Advanced Member
Age Age Unknown
Birthday Birthday Unknown
Gender
Male
Location
Berkshire, UK
Interests
Electronics, software.

Contact Information

Website URL http://www.raspberrypi.org/phpBB3/memberlist.php?mode=viewprofile&u=51768

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Profile Feed

Paul Newton

Spent this weekend writing and testing new robot code to accept command messages. So far so good (with dummy messages). Now I need to do some more Python to bring the raspberry Pi up to date..

Jun 01 2014 03:53 PM

Paul Newton

Just connected a micro RC servo to a set of N-guage points (turnout). Controlled by Netduino of course.

Feb 20 2014 06:26 PM

Paul Newton

Spent all afternoon making a UDP receive class that does not mind if the Ethernet port is not active when the software starts up. I have to keep reminding myself - its a hobby, I enjoy this.

Jan 25 2014 04:30 PM

Paul Newton

I now have split my buggy between two Netduinos. One drives the motors and reads the sensors, the other displays the status on a LED array. The buggy sends UDP packets to the display Netduino to indicate the current status.

Aug 20 2013 08:09 PM

Paul Newton

My buggy is now using v4.2 on a Netduino Plus v1. At last! Took a while to sort out the v4.1 code to make it work with v4.2 (this was why I held out for so long). Now I just need to make the Ethernet do something useful!

Jul 27 2013 10:26 AM

Paul Newton

Aggggh - Always SAVE before DEBUGGING in case Visual Studio needs to close

Jul 06 2013 10:16 AM

Paul Newton
Strange - it used to crash like this on my old PC, then I got a new PC and it was fine until I registered today.
Jul 06 2013 10:23 AM

Paul Newton → weixiongmei

Hi, did you finish your big LED display?

May 09 2013 09:46 PM

Paul Newton → hanzibal

Has some of your hair fallen out Hanz? You've gone all yellow too.....

Apr 07 2013 01:07 PM

Paul Newton

Happy easter everyone. My Easter gift from google - all my appointments screwed up by daylight saving time change. Did a seatch online - people have been complaining about this for years on Android.

Mar 31 2013 08:18 AM