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Arduino

6 Posts authored by: fmilburn Top Member
I would like to have accurate motor control in the robot I am planning.  Accordingly, I have been experimenting with encoders attached to the motors that provide feedback to a Proportional Integral controller.  This post is a demonstration of the progress and what looks to be a promising start.   Introduction   The final robot will probably have a Raspberry Pi as the "brain" since I would also like to have facial recognition.  To unload the Pi, microcontrollers will be ...
Updated 2 Jan 2020:  Embedded 2nd video   I am starting to plan ahead for a robot that will have image recognition using a Raspberry Pi.  Image recognition being computationally intensive, the plan is to offload the Pi with microcontrollers connected with I2C.  In previous post an I2C template for connecting a Raspberry Pi with Python to a microcontroller with the Arduino IDE is described.  This post is the first of two parts describing how a microcontroller can be used ...
In a previous post the sending of a single byte using I2C between a Raspberry Pi (master) running a Python 3.7 script and a microcontroller using Arduino libraries was described.  In this post a more useful template with multiple byte transfer is presented that demonstrates control of GPIO, ADC, PWM, and stored data.   Introduction   I have been thinking about building a robot that has Image Recognition using a Raspberry Pi but that is a full time task for a Raspberry Pi.  ...
This post demonstrates simple sending and receiving of data from a Raspberry Pi using Python 3.7 to a microcontroller using the Arduino libraries.  There is a follow-up post here that demonstrates multi-byte transfer and control of GPIO, ADC, PWM, and stored data on the microcontroller.   Introduction   I have been thinking about building a robot again and would like to be able to use Artificial Intelligence / Image Recognition.  The two leading candidates for the main proc ...
fmilburn

The Bridge Troll

Posted by fmilburn Top Member Oct 29, 2019
Introduction   The first project I posted on element14, and one of the first electronics projects I did after retirement were Halloween themed.  In fact, the avatar I use is based on a Halloween airplane costume I made for my grandson about 5 years ago.  The early creations were based on my own ideas but these days I get a lot more input from my customers (grandchildren) as well as their representative (my daughter).     For the last few years their representative ha ...
Every year I am called upon to make Halloween costumes and accessories for my grandchildren.  Not scary stuff but things that they are into at the time.  Well, maybe a little bit scary... The kids originally asked for Legend of Zelda but changed it at the last minute and I only had a bit over a week to build.  The new theme was Mario Brothers with a need to accommodate the youngest, still not a year old.  The main build was a Mario castle that he can ride in dressed as Mario ...

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