SKU: 88928887531

HackerBox #0079 - Audio DSP

$39.60 $44.00
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

HackerBox #0079 - Audio DSPExplore audio signal generation, inter IC sound (I2S) audio streams, and digital signal processing (DSP). Configure an ESP32 A1S Audio Development Kit featuring a dual core ESP32 microcontroller coupled to an integrated audio CODEC and a variety of audio interface and peripheral components. Program several audio processing examples leveraging an advanced stream based hardware abstraction layer for the ESP32 A1S. Examples include wave generators,

Explore audio signal generation, inter-IC sound (I2S) audio streams, and digital signal processing (DSP). Configure an ESP32-A1S Audio Development Kit featuring a dual-core ESP32 microcontroller coupled to an integrated audio CODEC and a variety of audio interface and peripheral components. Program several audio processing examples leveraging an advanced stream-based hardware abstraction layer for the ESP32-A1S. Examples include wave generators, simple synthesizers, MP3 decoders for online stream sources as well as MP3 files on SD flash cards. Use GNU Octave (or MATLAB) to design and test digital FIR filters that can be implemented on the ESP32 Audio Development Kit. Hack multi-channel audio connectors.

Box Contents Include:

  • HackerBox 0079 Collectable Reference Card
  • ESP32-A1S Audio Development Kit
  • Stereo Three Watt Speakers
  • Three JST-XH 2-pin Wire Assemblies
  • 32GB Mixza Ocean Series MicroSD Card
  • 8-in-1 SD Card Case
  • Stereo Wired Earbuds with Case
  • 4-in-1 USB Memory Card Reader
  • Blue Braided 3.5mm Audio Cable
  • Orange Braided 3.5mm Audio Cable
  • Two TRRS 3.5mm Audio Breakout Modules
  • Female-Female Dupont Jumper Wires
  • Exclusive 45 RPM Prismatic Sticker

Online resources:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88928887531

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4.6 ★★★★★
Based on 1124 reviews
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S
Verified Purchase
Sophia G
Charlottesville, US
★★★★★ 5
finally organized all my jewerly!
Color: Black
This jewelry box completely transformed the way I store and access my accessories. It’s not just functional, it’s genuinely beautiful, with a sleek design that looks great on my dresser. The exterior feels sturdy and well-made, and the interior is soft and luxurious, keeping all my pieces protected and tangle-free. There’s a perfect place for everything: rings, earrings, necklaces, and even watches or bracelets. I especially love the multiple compartments and drawers, which make it easy to separate everyday items from special pieces. No more digging around or untangling chains! The mirror inside is a thoughtful touch, and the box itself feels compact enough for smaller spaces while still holding a surprising amount. It’s one of those things that makes daily routines feel a little more put-together. If you’re looking for a jewelry box that’s practical, elegant, and gift-worthy, this one checks every box. Great for personal use or as a thoughtful present.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 1, 2025
R
Verified Purchase
readingisnotenough
Birmingham, US
★★★★★ 5
Small jewelry box bit potential
Color: Black
Very stable product perfect to have on dresser or travel. Keeps all of my items organized
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
H
Verified Purchase
H C
San Leandro, US
★★★★★ 5
Prefect Travel Case
Color: Black, Color: Black
I got this for taking my jewelry on the go. I have to say that I was pleasantly surprised by the quality it feels very sturdy. It has several spots to hold jewelry and keep it organized. The outside is textured and it closes with a snap which can be done easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
T
Verified Purchase
TopConsumer
Cuba, US
★★★★★ 4
Small, bu holds a lot
Color: Black
I initially purchased the Jewelry Box Necklace Ring Storage Organizer as a gift for my 8-year-old daughter. The compact design and practical features seemed perfect for her little trinkets. However, its quality and style so took me upon receiving it, I decided to keep it for myself! The jewelry box is small, but it holds a lot with a double-layer structure that provides ample storage space for various types of jewelry. It easily accommodates rings, necklaces, and other small accessories without clutter. One of the highlights of this product is its portability. Its compact size makes it an ideal travel companion. I've taken it on several trips, and it has proven incredibly convenient. It keeps all my jewelry neatly organized and easy to find, eliminating the hassle of untangling necklaces or searching for a matching earring.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2023
I
Verified Purchase
I didn’t receive the item and I let Amazon know the item was not delivered. Apparently, they don’t care to follow up with my lost order. Hummm, I wonder how the owner of Amazon would solve this problem.
Charlottesville, US
★★★★★ 5
Small but nice
Color: green
Cute small jewelry box—
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026

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