[How To Make A Game Show Lockout Buzzer: Software Free Download
Amancio Mccrae
Players 1-3 attempt to press their own button
Whoever presses first, only their LED lights up
A buzzer also plays a tone
Moderator presses reset button
... Players can press their buttons again
How To Make A Game Show Lockout Buzzer: Software Free Download
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The code below only shows one player- but that one player could keep pressing their button and set off the buzzer tone (which gets annoying). I would greatly appreciate some help- I'm learning, but on a time crunch.
That is, stop reading player buttons once one of them is pressed.
Then, of course, will come debouncing. And if your players are lightning fast - you may want to read the data from the port directly, but I guess that's not what you're about here.
Trebek has his own switch that disables the buzzers. As long as the the buzzer() module is running, no one else can press a button. This way you dont actually have to individually lock out the other two. They just wont be read until the countdown is over and Trebek is ready. You can make it to where as long as Trebek is holding down his button, and no countdown is running, it will be waiting for someone to buzz in. When Trebek lifts his button, someone answered correctly or its time to move on to another question.
Hi, basically looking to create a version of the QuizMachine commercial buzzer for my friend's high school. Two teams of at least 4 players and when someone hits their buzzer, they lockout everyone else until the system is reset.
If you sent across the 5V and ground on the shields of the two RCA connectors, inside each box you just would need an ATMega and a single resistor for the light (Assuming LED not incandescent). You then have the two center conductors left over for communication. Send an Interrupt back on one that stops all others from working, and notifies the host that it was pressed. Then send ID serially over the other wire, pause and wait for reset command to return for all chips.
More recently I built a wireless version using the remote controls from the game Remote Possibilities. I used an arduino for the receiver, and the only extra components were the IR module, the buzzer, and an RGB led.
You haven't told us how each box is going to be wired into the main controller and how you plan to differentiate between each box for both the button and the LED. What does the big picture look like? Is there indeed a separate microcontroller for each box?
You are absolutely correct. But one of the reasons why I'm posting here is to learn how to do it myself. This forum and the arduino itself seems to promote that. I'm simply looking for a nudge here or there. If I am able to pull this off I plan on making an instructable so that kids can make their own Quizbowl buzzers. Empowering, recycling, learning, discovery.. you know, the joys of DIY.
How about you think a little more about that is happening in each box, what it's schematic might look like, also the control box, try using I2C to learn how it works, come up with a protocol for how the boxes communicate and the adjudication algorithm used by the control box. We can help you through some of this and give you nudges but you have to do the main part of the work.
@everyone
Mike Perk says it's ok for the entire arduino community to help me through some of this and give me some nudges, but I have to do the main part of the work. Thanks everyone! Now I know that someone is not going to come to my house and build my Quizbowl buzzer for me.
@myself
What an idiot I was to ask for help regarding what a sketch might look like. I should have known that the Mike Perks of the arduino community will NOT spoonfeed me arduino sketches. (punches self in the mouth)
I don't know how you would do it but, if you can, a nice feature would be "loose wire detection". It would be horribly unfair if one of the boxes (the last in the link) had a loose connection and wasn't working.
Well before one jumps to sketches one should have an overall concept. First why have an ATmega chip at each players station. It's just a switch and a LED. So unless you are going to have wireless communications between the remote stations and the master control I think you just need one master station design, with a pair of digital pins, plus a ground wire going to each remote. You could use simple audio 1/8" stereo plugs, jacks and cables. No need to send separate power to the remotes, not needed.
A remote switch is a digital input to the controller and the LEDs are outputs from the controller. Your sketch only needs to scan the inputs to see which is pressed first and then sound a buzzer and light a LED. This is just a few steps up from the blink sketch so get to it. Might want a 'game reset' switch at the controller to reset all the LEDs and start the scanning.
Otherwise you could just use Cat5 and if you have a max of 6 people per team, each side of your master control box could sense 6 individual boxes with limited electronics inside each box if you don't want the LED to light up. 3 per leg if you want to light an LED, meaning 2 cords per side.
There is probably 100 different ways to do this, and it's all about the experience, not technicalities. You could run a full Arduino Duemilanove inside each box and personally I'd slap ya on the back and buy ya beer for coolness factor. Rye and Coke if you fit a 16x2 as well.
That was part of my point. As has been said there are literally hundreds of ways of doing this. The mega in each box with I2C between each box is just one way of doing it. If you come up with some concrete ideas on what you want (the "requirements"), then we can help guide you through the design choices. Right now I'm still seeing a germ of an idea on a blank sheet of paper.
For the folks always hosting game nights, we found some really nice buzzers to simulate your favorite game shows at home. These handheld joystick buzzers are probably the simplest, with no interface, just a noise played to determine who buzzed in first. At under $30 at the time of publication, these are a no-frills entry into the annoying in-depth world of the perfect home game show buzzer. If you do want a lockout mechanism, there is a $60 version that shows who buzzes in first, but the buzzers have wires.
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