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  • Mason Jar Portable Bluetooth Speakers

    You sound just like me. Ever since I finished my first bluetooth speaker (ammo can) I have been on the same kick. I too have considered a 3" speaker in a wide mouth jar. I'm planning to do a transparent jar with 3 18650s and a qi style wireless charging coil mounted in the bottom. My greatest concern is going to be mounting all the circuitry and keeping it presentable. I'll be sure to post the results. Thanks.

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  • IPhone / Android, 8266 Arduino Blynk Garage Door Opener

    I'm working on a similar opener to the project you have posted. I've been thinking of a way to tap into the limit switches on the garage door motor to let the Arduino know the position of the door. I'll post my findings if/when I get it sorted out

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  • EricW137 followed ChaseM232 years ago
  • EricW137 commented on dustinbikes's instructable Ammo Box Speakers3 years ago
    Ammo Box Speakers

    I have the positive and negative split coming from the battery. One set goes to the charge port and the other goes to a main switch. The adapter is capable of supplying enough current to power the speaker and charge the battery pack simultaneously.

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  • EricW137 commented on dustinbikes's instructable Ammo Box Speakers3 years ago
    Ammo Box Speakers

    I was inspired by your Instructable to create an ammo can speaker for myself. Like others, I took a lot of cues from the Thodio A-box. I built a 24v 6 cell Li-Ion pack using Panasonic 3400mAh 18650's that feeds into two seperate regulators. One regulated to 18v for the Hifimediy T1 amp and the other down to 5v for the bluetooth receiver board. I charge it using a Universal laptop charger. Run time at 50% volume is about 20 hours on average. Charge time is about 3 hours. Speakers are Pioneer TS-D1002R. The buttons on the front are wired to the bluetooth receiver and to add an original touch. I cut and glued 30-06 bullet casings to the buttons. The port is a 1 1/4" PVC Sink tailpiece that I scuffed using a scotchbrite pad and painted to match the can. The can is lined with 1/4" ...

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    I was inspired by your Instructable to create an ammo can speaker for myself. Like others, I took a lot of cues from the Thodio A-box. I built a 24v 6 cell Li-Ion pack using Panasonic 3400mAh 18650's that feeds into two seperate regulators. One regulated to 18v for the Hifimediy T1 amp and the other down to 5v for the bluetooth receiver board. I charge it using a Universal laptop charger. Run time at 50% volume is about 20 hours on average. Charge time is about 3 hours. Speakers are Pioneer TS-D1002R. The buttons on the front are wired to the bluetooth receiver and to add an original touch. I cut and glued 30-06 bullet casings to the buttons. The port is a 1 1/4" PVC Sink tailpiece that I scuffed using a scotchbrite pad and painted to match the can. The can is lined with 1/4" MDF (attached using liquid nail) that I sealed with a few coats of poly to prevent moisture absorption. Most of the parts were sourced from eBay and I have spent around $150 in parts. I am very happy with the outcome. I am planning to attempt a second can for under $100 using cheaper components(12vSLA battery, Amp+Bluetooth module all in one, and possibly cheaper speakers). I still have a few final touches to add before I am happy with the first. Thanks for looking. Let me know what you all think and if you have any questions.

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