Tag Archives: control

PID Control Theory Explained

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Overview

Proportional-Integral-Derivative (PID) control is the most common control algorithm used in industry and has been universally accepted in industrial control. The popularity of PID controllers can be attributed partly to their robust performance in a wide range of operating conditions and partly to their functional simplicity, which allows engineers to operate them in a simple, straightforward manner. 

Using Flask to Control Raspberry Pi GPIOs

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With this project you can create a standalone web server with a Raspberry Pi that can toggle two LEDs. You can replace those LEDs with any output (like a relay or a transistor). In order to create the web server you will be using a Python microframework called Flask.

Parts Required

Here’s the hardware that you need to complete this project:

  • Raspberry Pi (any Pi should work, I recommend using Raspberry Pi 3) – view on eBay
  • SD Card (minimum size 8Gb and class 10) – view on eBay
  • Micro USB Power Supply – view on eBay
  • Ethernet cable or WiFi dongle
  • Breaboard – view on eBay
  • 2x LEDs
  • 2x 470Ω Resistors
  • Jumper wires

Remotely Control the Raspberry Pi using VNC

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Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a network. VNC is platform-independent – a VNC viewer on one operating system may connect to a VNC server on the same or any other operating system. There are clients and servers for many GUI-based operating systems, including Java.
I will endeavour to explain how to install and use VNC with your raspberry Pi. This will allow you to see/use the Raspberry Pi’s graphical desktop remotely, using the mouse and keyboard as if you were sitting in front of your Pi.

Control an insect from your smartphone!

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The RoboRoach: Control a living insect from your smartphone for $99.99!

What is the RoboRoach?

The RoboRoach is the world’s first commercially available cyborg! That’s right… A real-life Insect Cyborg! Part cockroach and part machine. This is not a gimmick…  just good ol’ fashion neuroscience, evolution and engineering

NXT2WiFi: Using Webpage Sliders to Control Motors

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This tutorial follows on from my previous NXT2WiFi Articles. In this example [robotc] is used to program the NXT. Using Webpage Sliders to Control LEGO Mindstorms NXT Motors with your [NXT2WiFi] is relatively easy. You will need to have the latest [NXT2WiFi] Custom Webserver Source Code in order to use Slide Controls.

Android Control for Lego NXT

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If you are the owner of a LEGO MINDSTORMS NXT set and have an Android smartphone and you want to have some fun with your robots, now you have the possibility with MINDdroid – for free!



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