Altoid can speaker
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How to Make Altoids Tin Speakers
I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guitar amp, a simple LM amplifier can crank up those signals loud enough to play through any speaker.
As always, breadboard your circuit before soldering any components together. If it works on the breadboard and not in the soldered circuit, you will know that the problem is with your soldering and not a broken chip.
The LM datasheet has some useful example circuits for creating amplifiers. We will be making the simplest one, the 20 gain amplifier. The chip diagrams can be a little confusing. The triangle represents the 8 pin LM chip at the center of out circuit. The pins are numbered around the chip 1 to 8, as shown. Use the corresponding pin numbers in the circuit at chip diagrams as a guide when wiring your circuit. We will have to alter the capacitor values to the nearest standard values.
Use a. Place your components on the perfboard and bend the component leads to map out the circuit. Take care to leave enough room on your board for a 9 volt battery and speaker. You can use this circuit in any project where you need to amplify sound. You can use it as a headphone preamp, a portable guitar amp, an miniature MP3 player speaker, or even a synthetic robot voice box using the Speakjet. If you are going to house your amplifier in a tin, be sure to use electrical tape or heavy card stock to insulate the circuit from the metal bottom.
The enclosure makes all the difference! This speaker is for listening to audio books on long trips. The book tin amplifiers make great gifts if you know your friends' literary tastes.
I like to use these amps on my bike so I can listen to music without blocking out the noise of approaching cars. I took the liberty of preparing a printed circuit board design for this amplifier. Below you can see what the traces look like once they are etched onto a copper board.
Note that this is not the image to use for laser printing etch masks. I added pin and trace labels in the copper etch to help in assembly. Note that the audio input wire from your headphones will solder directly to the input pin on the potentiometer. I made the board in Fritzing with maximum trace widths for easy home etching.
You can use this simple circuit as a portable guitar amplifier for rocking out on the street or porch. Once the jack is soldered up, any standard guitar and cable can be plugged right in! Be sure to use a large speaker and a sturdy enclosure to get your guitar amp to project well. Opening an closing the box while playing even changes the bass and treble levels!
If you have any questions, feel free to ask them in the comments below or in the forum. Don't forget to post your pictures and links to the corkboard so we can all see your awesome projects! Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.
I found a TDA give a much better quality of sound and efficiency Looks great! I want to build one of these to install inside a cigar-box guitar, but would like to add reverb. Got any plans or Schematics for that! Can you explain in more detail how this is supposed to work if I plug in my electric guitar?
Won't the voltage across the 10kOhm potentiometer just be 0V no matter what then, thus making the noninverting input to the op amp always equal to ground? I'm trying to follow your instructions, but I'm having trouble making sense of how it will work with a guitar. Two questions: 1 I have two 32 ohm speakers. Should I hook them up in series or parallel 2 If I was to use a W speaker, are there any modifications that I would need to make?
Materials LM chip 9 volt battery Perfboard 10 ohm resistor 10K potentiometer. Subscribe Now. Where do you connect the 9 volt battery? Share Your Thoughts Click to share your thoughts.
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Battery holder
My lab contains a single pair of speakers, shoe horned onto the overcrowded space on top of a row of part bins. If you look carefully near the left edge of the photo in Figure 1 you can see the left speaker mostly obscured by books under the big black book. The Altoids jelly bean mixer is shown in operation along the mid-right edge of that photo, next to the right speaker. Note the precarious juxtaposition of the speaker and the headset. The close up of the rear view of the right speaker shown in Figure 3 reveals one Line In jack along with a 12 VDC power jack. A PC, a ham radio, and miscellaneous other audio devices must share that single Line In jack. In the past, to change the audio device connected to the speaker system you had to manually rotate the right speaker and then insert the stereo cable of the new device into the Line In jack.
How to Make a Speaker from an Altoids Tin
Yet another Altoids tin speaker project. The speaker, circuitry, a single AA battery and 3. Anyone undertaking this project should have access to standard tools -- pliers, diagonal cutters, wire cutters and strippers, soldering iron and solder, multimeter, electric drill and brad point bits more on these later. Experience making PCBs is also required. There are now pictures detailing the preparation of the Altoids tin, battery holder, speaker, switch, audio jack, audio cable, and overall installation of parts and final assembly. There are also several pictures of the board with all of the electronic components installed but there is not a step-by-step walk through of this process. If there are any additional pictures that you think would help the construction process, please let me know.
DIY USB Altoids Speaker. (Super Easy)
Everyone wants speakers, but they are often very expensive, and aren't portable at all. Chances are the you have received a lot of those holiday or birthday cards that sing to you when you open them. Maybe you got an undesirable present that happens to have a speaker inside of it. In this Instructable, I am going to show you how to make your own speakers from stuff you have lying around the house, and then put them inside an Altoids tin. Not only will they look cool, but they will also be portable and very functional.
Altoid Tin Headphone Amp
ReadyMade magazine recently asked readers to invent new uses for Altoids tins. The innovations, which you can find on www. Here's a description of the winning entry from the Web site. Oh you! You captains of industriousness! We received curiously strong submissions for our Altoids tin challenge: a battery pack for the iPod, a minty-fresh cheese grater, and a full-blown MP3 player!
Altoid tin Theremin
Even though it's only a 4 watt amp, it sounds pretty massive when cranked through a full sized speaker like my JBL D At first, it seems strange to use an attenuator for such a small amp, but a dimed 4 watt amp can be very loud. I have several home built guitar amp attenuators but I thought I would build a small and simple attenuator just for this one, and the Altone was born. Naturally I wanted to keep it unique like my other DIY guitar amp attenuators, so when I looked around my workshop for some kind of enclosure, I saw an Altoids mint tin which turned out to be just right to hold the parts needed. I know electronic gadgets have been shoehorned into Altoid tins before, but I think it's a first to use one for a guitar amp attenuator. Of course this thing isn't high powered, yer not gonna be able to run your watt Marshall through it, but the Altone works great with smaller amps rated up to about 15 watts RMS. Small tube amps in that range sure are popular these days. There are dozens of them on the market rated at about 5 watts on up.
Altoids Tin Mini Amplifier
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Ampoids Blue Altoids/Blackface Guitar Amp
User Name Stay logged in? Ah, duh. I should have known the VDD. You said to disable it, connect it to the vdd - so when I connect it to the vdd, it becomes completely obsolete, and I don't need to worry about it? Anyway, that should be all I need.
Altoids mints sized tin
Are you a current member with account or password issues? Please visit following page for more information. TargetTech Empty Pockets. Joined: Dec 12, Messages: 13 Likes Received: My son has an older ipod with no speakers and has been using it with my Ammo Can Boom Box in his room. He asked me the other day if I can make him something he can carry easily with speakers for times when he doesn't want to lug the ammo can. There is also three AAA's wired in series to keep it powered.
LM386 Altoids Tin Amp
Aside from freshening your breath, Altoids, or at least the case they come in, can be used for much more — including the optical mouse above. Continue reading to see some creative uses for these minty tins. Click here for first picture in gallery.
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