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IOT Greenhouse project part 1

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How to build Simple IOT Greenhouse (Part 1) This this project we are going to control a stable environment to the plant inside the greenhouse.  With using mqtt protocols and latest IOT suff. And also we can monitor plant conditions using digital image processing. So let's start this step by step. Part 1 is all about setting up the sensors and hardware part. So what do you need to this project ? Components 1.) Arduino Uno with wifi shield 2.) Raspberry PI 2 Board and wifi adapter. 3.) DHT 21 (AM2301) Temperature and humidity sensor 4.) Soil Moisture Sensor 5.) Light intensity sensor 6.) Water pump 7.) Raspberry PI Camera or web cam for image processing 8.) 16 in to 4 LCD display Don't be scared i'm going to explain bit by bit how to build this system. First of all you have to design the hardware part. plug the sensor to the arduino in correct way. Simple Arduino Code to get sensor data and display here this code is without the arduino w...
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IOT Greenhouse project part 3 (Working prototype of IoT Greenhouse)

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   This is the promotional video which we have done to the Embedded systems project. Presentation slide   https://docs.google.com/presentation/d/1Ep9eNl-nSVVVAHae62GMqLgg84za-thUbyO-UmZ19PA/edit?usp=sharing  This project we are monitoring and controlling a Greenhouse. By analyzing monitored data and digital image System will control the Greenhouse. Here we have developed a working prototype with one plant. Here our main goals wer e Light and watering control, Temperature and humidity Controlling, Image processing to monitor leaves of the and infections, Automatic management and remote monitoring. The client can have the latest status of the greenhouse. Here we have used the MQTT protocol because it is a lightweight messaging protocol. Here each sensor has a topic. As an example humidity sensor has topic greenhouse/1/hum other sensors also have. So here Arduino UNO + WIFI shield is acting as an MQTT client and publish this sensor data to the r...
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Forward serial data between virtual serial ports in Node.js using socat

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I'm sharing this with you because I have faced some difficulties when I try to get data from virtual serial ports to my backend in the project . It's easy Part 1 . Installation: Download the tty0tty package from one of these sources: http://sourceforge.net/projects/tty0tty/files/ clone the repo  https://github.com/freemed/tty0tty git clone https://github.com/freemed/tty0tty Extract it tar xf tty0tty-1.2.tgz Build the kernel module from the provided source cd tty0tty-1.2/module make Copy the new kernel module into the kernel modules directory sudo cp tty0tty.ko /lib/modules/$(uname -r)/kernel/drivers/misc/ Load the module sudo depmod sudo modprobe tty0tty You should see new serial ports in /dev/ ( ls /dev/tnt* ) Give appropriate permissions to the new serial ports sudo chmod 666 /dev/tnt* You can now access the serial ports as  /dev/tnt0  (1,2,3,4 etc) Note that the consecutive ports are interconnected. For example, /dev/tnt0...
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