Forum: Hobby Electronics

So for my next project I'm going to make one of these I'm going to follow this tutorial for the most part, but I'll make some minor...

Cellphone Triggered Fireworks With this tutorial you will be able to create cellphone triggered fireworks. Initially this was designed for a...

Well i thought it would be a good time to post this as its a little over 50% complete. i have a ton of images i have taken over the time of the...

This little project enabled me to toggle a 110V AC appliance on and off… Over the internet! Here is a little diagram that I created for novices to...

Today in one of my labs we had to create an ECG machine which is a way to detect your heart beat. We used 4 op-amps with this and used a 9V...

I'm sure you've all heard of piezo buzzers, the incredibly loud buzzers. When you apply a potential difference across a piezo buzzer, it will create...

So I don't know if I'm going to have time for this before I leave for vacation, but I might be able to get this done later tonight or tomorrow....

Hi, I'm wanting to design an embedded system which will control a vehicle. I'm struggling as to where to start, i bought a book called "designing...

So I was bored and trying to think of something I could make this weekend as I'm going to be at home. I'm thinking that I'm going to make a...

So recently I decided to get into DIY electronics and got interested in building my own amp. After a bit of research, I found this baby:...

This guy is making his own LED and Fan controller for his PC. Quite complex looking so far. ...

So I built an arduino EMF detector, I'll post pics of it tomorrow.

I found this thread on Head-Fi, the guy is using an arduino to do various jobs in his amps such as volume control, input selection etc. Now this...

So there's this group @ ISU called Critical Tinkers, and one of our project ideas is an online turret. I told them that I have the code & hardware...

Woot! Pics and vid up later! Here's some pics of the touchscreen arduino. The code needs some serious optimization, however, as it's kind of buggy...

With this you can use your Direct-TV (or any generic remote) and process the IR signals with your arduino. I didn't write all of the code, but...

So currently I'm working on a new IR receiver that's hooked up to my wireless in my house that auto updates twitter with the current show that I'm...

So like most Arduino owners, you probably never bought the transformer for the DC jack and just use the USB for power. Well what if you want to make...

So I finally got my arduino and arduino ethernet shield and I'm amazed at how easy it is to interface my hardware projects with the internet. I...

ROFL Tutorial can be found here http://www.instructables.com/id/Steam-powered-USB-Charger/

Just ordered a bunch of random shit, can't wait for the possibilities. I bought an arduino ethernet shield so you guys could control various gadgets...

Anyone seen any good projects floating around that talk about brute-forcing a garage-door opener (the wireless ones) to send all possible codes?

So I'm taking EE 186, which is non-required and only 1 credit. There are 5 structured labs and then you pick any project, and work on it. Originally...

Hi My name is Richard loving this site by the way. I have been working with Atari's promotion team for the new Ghostbusters game and Stephan...

I know a lot of us are into circuits, and we gave this a try before but it failed. This time however, I'm directly involved more in circuits now with...