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I am trying to detect when an object is missing from its location and then send out an alarm if it is missing (alarm could audible or blinking LED). Need a non-contact method of sensing such as IR or ultrasonic technologies perhaps. The distance is about 3 to 4 inches. It must be simple, low cost, v...

Creativian wrote:Are you sure this belongs in the Beginners section?

What category would you suggest it be put into? Oh, and how do I change that. I guess I did not think this was a terribly difficult project. It only involves switching relays so that was my thinking for putting it in the Beginner section.

CAUTION: This project involves high voltages and currents so proper precautions must be used to avoid injury or death. I am not an electrician so proceed accordingly. To demonstrate how I automated our Jacuzzi over WiFi, I just needed to open and close a few existing switches using relays to: 1. Tu...

Yes, I hear you. I try hard not to do stupid things like this and I was still taken on this one. I have an extra SD card loaded with clean software and a clone on my laptop just in case it ever happens again.

I was trying to used VNC Viewer to remotely view my RPi2 from my iPhone. The iPhone VNC Viewer app was continually tying to negotiate a connections. When tried to trouble shoot no connection, I found information that I needed to have software on my Pi for it to work. There were both products that co...

In my original post (see https://www.raspberrypi.org/forums/viewtopic.php?t=134141 ) I provided script for a pan/tilt Raspberry Pi Camera that used an LED and Photo resistor to locate home position. Since that post, I have learned that the ambient light is a big factor in an outdoor weather cam appl...

I put the post on this subject in the "General" forum but it should really have been posted in this "Camera board" forum. If interested in this subject, please feel free to check it out.

I checked out the Linux-Projects demo on YouTube from the link you provided and it had a few people from a month ago that could not get it to work with no solutions provided which is not encouraging to me. Look better. The questions from 1 user - 1 out of many K total users - have been answered. An...

I had to stop reading at "Create your own YouTube Live account" Why on Earth do I want anything to do with YouTube to make my Pi video available on the internet? Why not? It works way better than many of the streaming services, I've tested a lot of them for a project I run, youtube was my...

This is a fantastic video camera! However, to make this webcam work required way too much research time and effort so I thought I would take a few moments to provide my lessons learned with the hope it will help make the lives of other novices, like myself, a little better. This is the easiest way ...

This is a fantastic video camera! However, to make this webcam work required way too much research time and effort so I thought I would take a few moments to provide my lessons learned with the hope it will help make the lives of other novices, like myself, a little better. This is the easiest way t...

The reason I purchased my Raspberry Pi 2 and Pi Camera 2 (B) was to view video from 400 miles away. I read http://pimylifeup.com/raspberry-pi-webcam-server/ which was exactly what I was trying to accomplish. After more than 60 hours of reinstalling and re-trying the instructions, I could not get rid...