# Sound Sample Sweater ## Overview http://youtu.be/1Cf8ERvKPcM This holiday season, build some sound effects into your party sweater and turn up the cheer with sleigh bells, Xmas songs and greetings! This is a simple soldering and sewing project. No microcontroller programming is required! Learn more about the [Adafruit Audio FX Sound Board in its learning guide](../../../../adafruit-audio-fx-sound-board). For this project you will need: - Adafruit Audio FX Sound Board with amp (2MB or 16MB) - enclosed speaker set - membrane keypad - 3xAAA battery holder and batteries - premium jumper cables - soldering equipment and tools - sweater and scrap of fuzzy fleece fabric - needle and thread - sewing machine (optional) - scissors ![](https://cdn-learn.adafruit.com/assets/assets/000/021/648/medium800/adafruit_products_2210-00.jpg?1418179750) # Sound Sample Sweater ## Circuit Diagram ![](https://cdn-learn.adafruit.com/assets/assets/000/021/671/medium800/adafruit_products_diagram.jpg?1418236766) # Sound Sample Sweater ## Mod Sweater ![](https://cdn-learn.adafruit.com/assets/assets/000/021/619/medium800/adafruit_products_lous-xmas-sweater-mod-00.jpg?1418173974) Pick a sweater to build your project. I'm using an old sweater I've had since eighth grade. It's pretty heavy cotton and not very stretchy. The sleeves are falling apart a little but I'll cover that up. Seek out garments that are sturdy and not too delicate-- these components amass to about the size and density of a checkbook-style wallet, so lightweight cashmere might not be a smart choice. Cut a kangaroo pocket from fuzzy fleece fabric-- it's very forgiving. Pictured is [Cuddle Fleece from Fabric.com](https://www.fabric.com/ProductDetail.aspx?ProductID=b6eafd43-39a5-457c-b309-ef21a8eaef5d). Turn under the edge and pin the pocket to the front of the sweater. ![adafruit_products_lous-xmas-sweater-mod-04.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/624/medium640/adafruit_products_lous-xmas-sweater-mod-04.jpg?1418174393) ![adafruit_products_lous-xmas-sweater-mod-05.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/625/medium640/adafruit_products_lous-xmas-sweater-mod-05.jpg?1418174494) You can stitch the pocket on by hand or use a sewing machine. Remember to only stitch the top and bottom edges of the pocket to the sweater, and then stitch a hem by hand around the pocket openings. ![adafruit_products_lous-xmas-sweater-mod-06.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/627/medium640/adafruit_products_lous-xmas-sweater-mod-06.jpg?1418174738) ![adafruit_products_lous-xmas-sweater-mod-07.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/628/medium640/adafruit_products_lous-xmas-sweater-mod-07.jpg?1418174828) ![](https://cdn-learn.adafruit.com/assets/assets/000/021/629/medium800/adafruit_products_lous-xmas-sweater-mod-08.jpg?1418174905) If you want to embed switches in the sleeves, you can cover them in fuzz too. I wanted to cover up the deteriorating sleeves on this old sweater anyway! # Sound Sample Sweater ## Assemble Circuit ![](https://cdn-learn.adafruit.com/assets/assets/000/021/630/medium800/adafruit_products_lous-xmas-sweater-circuit-00.jpg?1418175719) Set your audio board up in a pair of helping hands and heat up your soldering iron. Always solder with good lighting so you can see what you're doing. Tin the long battery pads on the audio board with a little solder. Position the JST battery connector on the pads and reheat the connections while pressing the jack to the board for a flush fit. Also solder the metal tabs on each side of the battery connector to the corresponding pads on the circuit board. ![adafruit_products_lous-xmas-sweater-circuit-01.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/631/medium640/adafruit_products_lous-xmas-sweater-circuit-01.jpg?1418176269) ![adafruit_products_lous-xmas-sweater-circuit-02.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/632/medium640/adafruit_products_lous-xmas-sweater-circuit-02.jpg?1418176372) If you have any arm switches, combine their ground wires and an extra for the membrane button pad's ground. Twist the wires together and solder to GND on the circuit board. If you forget, there are other GND pads around the circuit board you can tap into later. position your speakers at the edges of the kangaroo pocket and trim the wires with a bit of slack to reach your circuit board. Strip the wire ends, twist and tin the leads, then solder them to the speaker outputs on the audio board. ![adafruit_products_lous-xmas-sweater-circuit-04.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/633/medium640/adafruit_products_lous-xmas-sweater-circuit-04.jpg?1418176570) ![adafruit_products_lous-xmas-sweater-circuit-03.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/634/medium640/adafruit_products_lous-xmas-sweater-circuit-03.jpg?1418176845) ![adafruit_products_lous-xmas-sweater-circuit-05.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/635/medium640/adafruit_products_lous-xmas-sweater-circuit-05.jpg?1418176950) Premium jumper wires can extend the leads on the membrane keypad. Plug in a strip of five headers and strip the wires at the opposite end. Twist and tin the leads with solder. The wire closest to the end of the strip with the button marked 1 is the ground wire.  ![adafruit_products_lous-xmas-sweater-circuit-06.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/636/medium640/adafruit_products_lous-xmas-sweater-circuit-06.jpg?1418177045) ![adafruit_products_lous-xmas-sweater-circuit-07.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/637/medium640/adafruit_products_lous-xmas-sweater-circuit-07.jpg?1418177130) ![](https://cdn-learn.adafruit.com/assets/assets/000/021/638/medium800/adafruit_products_lous-xmas-sweater-circuit-08.jpg?1418177229) Solder the wires to the numbered pads on the audio board-- you can set up which button makes which sound when you load the files. Solder the membrane keypad's ground wire to a GND pad on the circuit board. ![](https://cdn-learn.adafruit.com/assets/assets/000/021/639/medium800/adafruit_products_lous-xmas-sweater-circuit-09.jpg?1418177302) Lay out your circuit on the outside of the kangaroo pocket. Grab your battery pack too. Position the membrane button panel to sit at the inside edge of the pocket opening. Reposition the circuit on the inside of the pocket and stitch the speakers in place using the mounting holes at the corners. I'm using a contrasting thread so you can see the stitches better! ![adafruit_products_lous-xmas-sweater-circuit-10.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/640/medium640/adafruit_products_lous-xmas-sweater-circuit-10.jpg?1418177386) ![adafruit_products_lous-xmas-sweater-circuit-11.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/641/medium640/adafruit_products_lous-xmas-sweater-circuit-11.jpg?1418177469) Likewise stitch the audio board to the sweater using the mounting holes at the corners. Peel off the adhesive backing from the membrane keypad and stick it inside the pocket's opening. You can optionally stitch it to the pocket in a few spots if it does't stick well to your pocket fabric. ![adafruit_products_lous-xmas-sweater-circuit-12.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/642/medium640/adafruit_products_lous-xmas-sweater-circuit-12.jpg?1418177588) ![adafruit_products_lous-xmas-sweater-circuit-13.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/643/medium640/adafruit_products_lous-xmas-sweater-circuit-13.jpg?1418177676) [Head over to the Audio FX board tutorial to learn how to load sounds onto your board!](../../../../adafruit-audio-fx-sound-board) # Sound Sample Sweater ## Wear it! Use the membrane keypad to activate the sounds of your choosing and delight/annoy those around you! Happy holidays! ![adafruit_products_lous-xmas-sweater-circuit-14.jpg](https://cdn-learn.adafruit.com/assets/assets/000/021/646/medium640/adafruit_products_lous-xmas-sweater-circuit-14.jpg?1418179635) ![](https://cdn-learn.adafruit.com/assets/assets/000/021/672/medium800thumb/adafruit_products_loud-xmas-sweater.jpg?1448313814) ## Featured Products ### Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB [Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB](https://www.adafruit.com/product/2217) Would you like to add audio/sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontrollers, you just want to make a sound play whenever you press a button. What about something that has to be small... In Stock [Buy Now](https://www.adafruit.com/product/2217) [Related Guides to the Product](https://learn.adafruit.com/products/2217/guides) ### Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger - 2MB [Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger - 2MB](https://www.adafruit.com/product/2210) Would you like to add audio/sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontrollers, you just want to make a sound play whenever you press a button. What about something that has to be small... In Stock [Buy Now](https://www.adafruit.com/product/2210) [Related Guides to the Product](https://learn.adafruit.com/products/2210/guides) ### Premium Male/Male Jumper Wires - 40 x 3" (75mm) [Premium Male/Male Jumper Wires - 40 x 3" (75mm)](https://www.adafruit.com/product/759) Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other... In Stock [Buy Now](https://www.adafruit.com/product/759) [Related Guides to the Product](https://learn.adafruit.com/products/759/guides) ### Membrane 1x4 Keypad + Extras [Membrane 1x4 Keypad + Extras](https://www.adafruit.com/product/1332) Punch in your secret key into this numeric membrane keypad. This keypad has 4 buttons, and since every key has its own wire line, no matrix code is required - just treat these like every day switches. The membrane is soft and has a removable paper backing to expose a strong adhesive so you can... 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We particularly like these speakers as they are small and enclosed for good audio volume and quality. The pair have a handy SPK input... In Stock [Buy Now](https://www.adafruit.com/product/1669) [Related Guides to the Product](https://learn.adafruit.com/products/1669/guides) ### 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST [3 x AAA Battery Holder with On/Off Switch and 2-Pin JST](https://www.adafruit.com/product/727) This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes... 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