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Simple Examples of PID Control

This video continues the topic of PID control. We walk through a simple control system and visualize how each of the three paths, P, I, and D, all address specific problems that arise in a typical system. I try to use very little math in this lecture because I want to show you that at the foundation PID control is very intuitive. Most of it you can reason through.  

Arduino Garden Controller – Automatic Watering and Data Logging

Gardening in the modern age means making things more complicated and arduous, with electrons, bits, and bytes. Behold: the garduino. My brother got me an arduino microcontroller board for Christmas, which to me was a solution looking for a problem. I finally found the problem: fresh herbs are expensive at the grocery store. But apparently not as expensive as adding a bunch of sensors and electronics to your garden.   Build one yourself or just poke around in the code: https://github.com/gradyh/GradyHillhouseGarduino   Moisture sensors that measure the resistance or conductivity across the soil matrix between two contacts are essentially junk….

Arduino Project: Home Security Project with SMS Intruder Alert – Easy DIY project

In this video we build a very useful intruder alert using Arduino. The project is very easy to build and the cost of it is very low. All you need is an Arduino Uno, a GSM shield, a PIR sensor, and a DS3231 rear time clock. You can buy all these parts from the links below. The project, when it detects motion, it sends an SMS to a predefined telephone number! That’s a great project to build and protect your belongings!  

Arduino Smart Home Automation

Arduino Smart Home Automation control your devices or home electric appliance with wifi Network or Internet Network.   Hardware Feature • 8 Digital Output Control • 4 Analog Input Sensor • Control via TCP/IP or Internet • Control with Web Browser or Android App   Software Feature • Arduino Web Server TCP/IP ( LAN ) • Set your device name and sensor name • Sensor Control Output Automatically. • Set your IP Address and port • Real time status   Hardware Device 1. Arduino MEGA Board or compatible board. 2. Ethernet (WIZnet 5100) Shield 3. Relay Board 4. Light Sensor…

The Best Multimeter Tutorial in The World (How to use & Experiments)

This video compares a 10 dollar to a 170 dollar multimeter and shows the average person how to use the voltage, current, resistance, continuity, diode and battery options. I also cover safety concerns and run all tests simultaneous with both multimeters.   This video covers: Difference between 3 and 4 probe options on a multimeter.   Tests include: * Voltage of Battery (DC) * Voltage of Outlet (AC) — discover something interesting in one of my outlets — discover a SERIOUS hazard with the 10 dollar meter * Current of a toaster (LIVE) * Resistor test * Metal tape test?…

How to do Electrical Troubleshooting of Electrical Motor Control Circuit

This video uses Electrical Troubleshooting Simulation software to teach you how to troubleshoot an electrical motor control circuit. At the end is just an example how our software uses real world work order system to track student while doing electrical troubleshooting with our simulation software, and the detailed analysis report. (helps student learn better ways to troubleshoot.)  

How Are Field Devices Wired to PLCs? – Part 2

As the devices in your home need power to operate, so do the modules within your control system. In this video, we talk about the different ways to find the information needed in order to properly power your modules.   This detail explains that the power wiring may differ based on the field devices that you are wiring as well such as two and four wire transmitters.   We discuss the different front connectors that are used for different module types and which terminals to use for your power wiring based on specific types of field devices and the information…

How Are Field Devices Wired to PLCs? – Part 1

Have you ever wondered how the digital and analog signals, coming from devices such as valves or sensors, are connected to the PLC’s input and output modules? In this video, using a practical example, you’re going to learn exactly how these field devices are wired and connected to the PLC’s input and output modules.  

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