Fridge Tracker
thingiverse
Fridge Viewer ===================================== Ever walked out of your home to purchase groceries, but forgot what you have stored in the fridge? The Fridge Viewer now lets you view what is inside from a smartphone device. A holder for the button will require support. The Fridge Viewer brings together MJPG-Streamer, WebIOPi, and HTML code. You Need: Raspberry Pi Model B or Plus can be purchased here. A 2-channel relay board will suffice; purchase here. Jumper cables are available here. Buy buttons here. Get a webcam from here. Acquire an SD card here. Power your Raspberry with a 5-volt supply from here. Use 2 LEDs, preferably bright ones. Buy them here. Connect to the internet via a WiFi dongle, obtainable here. Use thin wire for connecting, available here. Obtain 10-kilohm resistors; you will need many. Purchase from here. Protect connections using heatshrink tubing, which is also useful in various projects and applications. It's widely available here. You can use double-sided tape to stick your LED display, or consider acquiring Velcro. Buy it from here. These components may not be exactly necessary but should help facilitate this project. Setup 1. Prepare the SD card by installing Raspbian on it. Here is a comprehensive tutorial to help with that. 2. Install PuTTy via these links: here and here. 3. Connect your Raspberry Pi, and boot it after ensuring the correct monitor connections using an HDMI cord. 4. After setup is complete and the first reboot happens, open a terminal on Putty. Enter IP address of your device in this field followed by ":22". 5. Sign-in as user with root privileges using the login pi. 6. Navigate to a terminal by selecting it, then type in the command line: “wget http://webiopi.googlecode.com/files/WebIOPi-0.6.0.tar.gz” - This is where you can save WebIOPi, a device to interface. 7. To unpack this archive on your Pi type "tar xvzf". It's the way for extraction. Setup the Raspberry Pi 1. Use wget with following line of code and parameters that follow. “sudo aptitude mjpg-streamer ”- Here you have all the necessary applications set. 2. Navigate to /dev/ using command “cd /dev ” then ls 3. Start up a file to install it here: 4. Extract file “tar -zxvf”. Use terminal by navigating here first 5. Configure these settings so you have correct picture and speed, "nano". You have an example script attached in this package. Connect the hardware components together using jumpers for easier installation. Connect Relay 1. Plug the end of each jumper cable to pin number five volt from your relay module and ground pin also. 2. Take 4 x five-foot wire. Attach the end of the LEDs then encase them in heatshrink so you don't get shocked. Web Interface This web interface should have HTML added. Here's where everything begins Add the script with these settings: "<html><head> </head> <body> ". It might take you some time to set this up on your own but follow every step to successfully launch your project and add following scripts: ” </p><form>” ,”</p>” To make everything functional you should know about hardware requirements. 1. Get four jumpers cut down from two. For each button attach a single LED, use wires of five-foot in length, and protect the wires with heat shrink as well. Then insert one side into an electric switch so when that is closed they have connection on. 2. After finishing connect 3 LED lights by inserting ends to pin number eleven on raspberry PI which has label seventeen next. LED Lights 1. For a simple interface cut 5 ft wire and stick with glue gun. 2. The other end insert into button housing. 3. Connect buttons then the wires coming out from button in an electrical device are all positive while coming out of RPI is positive 4. Insert one jumper, a length will connect each switch. 5. Now solder half jumpers that you got and 1 wire of length of six so each button comes out on other end for a five -foot wires 6. Connect those into relay boards IN1 pin 7. Solder in a resistors for connection then to GPIO pins with LED display, it will be functional if using RPI's GPIO. 8. Place camera behind refrigerator after placing tape from double side. You must place that on a level plane since raspberry should hang. 9. To install plug them together to make complete home viewer. It will be connected when it detects movement.
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