by Jamie Starling | May 16, 2023 | Making and Systems
Using RabbitMQ to Scale Automations, because at some point you are going to need to scale your application – maybe it is doing something that take a while – like running reports, or generating something in which you have a large amount of work to do. In...
by Jamie Starling | May 11, 2023 | Making and Systems
Some Thoughts on Automation: Stop Doing Manual Tasks Do you find yourself spending too much time on repetitive manual tasks that add little to no value? Whether it’s small tasks or larger ones, manual work that needs to be repeated over and over can feel like...
by Jamie Starling | Jul 21, 2022 | Making and Systems
Capture Image From Webcam – Using Python and OpenCV. Let’s take a quick look on how we can use OpenCV2 to capture a single frame from a webcam. The code below uses a web cam to capture a single frame, that stores the results in the image variable. We are...
by Jamie Starling | Jun 17, 2022 | Making and Systems
Using OpenCV – Convert Image to Gray Scale in Python. In the past posts we looked at doing some image conversions using arrays and manual steps. All that is fun, it lets us see what is going on inside the black box. However, deadlines and everything else –...
by Jamie Starling | Jun 15, 2022 | Making and Systems
Histogram for a Gray Scale Image – Using Python. What is an image histogram – it is a profile of the occurrences of each gray level present in an image. In the visual example below – we are using a bar graph to visualize it. It starts at 0 and goes...
by Jamie Starling | Jun 8, 2022 | Making and Systems
In the last post we took a look at averaging the RGB channels to produce a gray scale image. It does require some math division to get the result. If you need a way that is even simpler and faster than averaging – we can extract the values from one of the color...
by Jamie Starling | Jun 8, 2022 | Making and Systems
Let’s us look at some ways of converting a color image into a black and white or gray scale image. The most straight forward approach is averaging the three color channels, RGB. GrayValue = (Red + Green + Blue) / 3 You do this for every pixel. It is quick and...
by Jamie Starling | Jun 6, 2022 | Making and Systems
There are a tons of image already – instead of going though the pain staking process of creating by hand our own images, I am going to use an image I already captured. And yes, it is of my three cats. I am also adding to the collection of cat images on the...
by Jamie Starling | Jun 6, 2022 | Making and Systems
Color Image Arrays for image processing. Up to this point we have been dealing with Black and White images or Gray Scale images – that can be represented by a 2d array. Array(height, width) In which each element in the array represents one pixel and the level of...
by Jamie Starling | Jun 2, 2022 | Making and Systems
Here is a little fun. Some Python code that will take a text file and turn it into an image. When I say, turn it into an image – I don’t mean it will read the text file and make some image from it that we could look at and say… oh the ocean. What it does...
by Jamie Starling | Jun 2, 2022 | Making and Systems
As you recall – a black and white image can be represented by a 2d array. The below Python code takes a 2 x 5 array (checker board pattern) and using matplot converts it into an image we can see. #%% import matplotlib.pyplot as plt import numpy as np # 2d Image...
by Jamie Starling | Jun 1, 2022 | Making and Systems
Image Processing in C and Python : Introduction My idea is to put together a collection of image processing code – that didn’t heavily use external pre-written libraries as a way to better understand the code and image processing itself. In other words, to...
by Jamie Starling | Mar 15, 2022 | Making and Systems
My automation project is continually evolving, and I’m excited to share the latest advancements in my localized IoT setup. The image below shows the IoT Node Base, which includes a power regulator and is built around the ESP8266, specifically the Wemos D1 Mini. Here...
by Jamie Starling | Jan 26, 2022 | Making and Systems
This Python function will read and text file and return text file contents. #usage yourContentHolder = return_text_file_content(path to text file) def return_text_file_content(file): encoding_format = “utf-8″ textDataFile = open(file,...
by Jamie Starling | Jan 18, 2022 | Making and Systems
Building and Automating a Hydroponic System I’ve been growing various herbs, lettuces, and other food plants using hydroponics for some time now. It’s a fantastic method for producing fresh veggies year-round. Recently, I’ve taken my interest a step...
by Jamie Starling | Jan 14, 2022 | Making and Systems
Need to return list of files in directory based on the file extension? This is a Python Code Snippet that will return a list of files based on extension from a directory including full path. #Usage yourlist =...
by Jamie Starling | Jan 13, 2022 | Making and Systems
Before starting any automation project, It is a good idea to have a plan. Automation With PowerShell and Python: The Importance of Planning Before embarking on any automation project, it’s essential to have a well-thought-out plan. With over 35 years of experience in...
