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Connecting sensors to the internet using an arduino and a raspberry pi

Shane Ormonde7 years ago7 years ago511 mins

As part of the PlantBot project, I wanted a way to look at sensor data over the internet. These sensors are moisture, light and pressure. The main one is moisture, the other two were just added in because I had the parts lying around. Here is a block diagram outlining each of the steps to…

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  • PHP

Making an updating graph using javascript and jpgraph

Shane Ormonde9 years ago9 years ago07 mins

This is a pretty cool way to update a graph on a webpage without having to refresh the entire page. Javascript is an easy language to get started in, today was my first time using it and within a few hours it was doing what I wanted. This stack overflow question was useful for my…

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  • MySQL
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Plotting data from a MySQL database using jpgraph

Shane Ormonde9 years ago1 month ago66 mins

First Step: Putting the jpgraph library on the server The jpgraph library can be downloaded from here. After it is downloaded put it somewhere on the server or local computer you are using it on. It doesn’t matter where you put it exactly. I put it in public_html/jpgraph on my server. There are loads of…

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  • PHP

Connecting Processing scripts to the Internet using PHP

Shane Ormonde9 years ago1 month ago04 mins

Click on the image to change the lines:     The above image is produced by a processing sketch. Each line drawn is given a random colour generated by a PHP program running on a web server. Each time the image is clicked, a PHP program running on the server generates 40 random numbers.The processing…

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  1. Mikhail Grushinskiy on OpenWave : Development of an Open-Source and Low-cost wave sensorMarch 6, 2023

    I’ve wrote something similar: Estimating wave height from IMU accelerometer on a moving boat https://bareboat-necessities.github.io/my-bareboat/bareboat-math.html code: https://github.com/bareboat-necessities/wave_height_from_IMU

  2. Artsy on Laser cut carboard planetary gearJanuary 30, 2023

    I absolutely love this! Thank you for making this video and sharing your file. I will be making projects with…

  3. Raffi on Matchbox Car v2 (fail)December 11, 2022

    You could just resolder another ATtiny? Cool Blog, thanks for putting your stuff out there!

  4. irfan on atmega16u2 virtual serial example using LUFA LibraryMay 28, 2021

    this device is used for what

  5. wattnotions on OpenWave : Development of an Open-Source and Low-cost wave sensorFebruary 28, 2021

    Hi Alex, Once I had the vertical acceleration to displacement script working, I could use it on any set of…

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