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Norwoodd

Web Controlled Outlets: Using an MSP430 to Remotely Control Wireless Outlets

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The goal of this project is to utilize an MSP430 to allow existing remote-controlled outlets to by controlled over Wi-Fi. As purchased, the outlets can be controlled with a provided remote control which uses 434 MHz radio signals. By programing the MSP430 to replicate the signals from this remote and hosting a web page with controls on the MSP430, the outlets can be able to be controlled from anywhere on the same Wi-Fi network. The completed project provides a web page that can both control each of three outlets individually or all three at once. This is done using an MSP430 as a controller with a 434MHz transmitter sending commands to the outlets, and an ESP 8266 Wi-Fi module connecting to the network. A schematic of the completed project is shown in Fig. 1, and a photo of the completed project is shown in Fig. 2. With this set up the outlets can be reliably controlled from anywhere on the same Wi-Fi network.  The components required for this project, along with the equipment necessary are listed below. All the components can be purchased for less than $30.

I was able to write an interface to control the outlets, as well as serve a webpage to control the outlets. This was the final project for my Embedded Systems class at John Brown University. more details are avalible in the attached file.

Parts list:

·         TI MSP430G2553 Launchpad

·         434 MHz RF transmitter https://www.sparkfun.com/products/10534

·         ESP8266 wifi module

·         Syantek Remote Controlled Outlets

https://www.amazon.com/Syantek-Electrical-Household-Appliances-Expandable/dp/B07JF93XB5

·         Breadboard

·         Jumper cables

·         USB power supply

Equipment

·         434 MHz RF receiver https://www.sparkfun.com/products/10532

·         Digilent Analog Discovery Module

·         Code Composer Studio

·         Serial to USB converter

 

Light_Switch_Final_Report.docx

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