A compact stereo amplifier that may be used at home as well as in the car, and also to substitute broken audio power amplifiers or to create bench power amps for the analysis of audio devices. When repairing audio devices, it is always useful to have a BF amplifier on your workbench; all the…
Wireless power transfer was first demonstrated by –Nikola Tesla– in the 1890s; however, it is actually only in the last decade that the technology has been harnessed to the point where it offers real, tangible benefits to real world applications. The basis of a wireless power system is essentially two coils: a transmitter and receiver…
Open Source, Modular design. Voice Interaction Development Board. IoT controller. Interact with the world, just using your voice. Powered by the MT7688 Wi-Fi module and the built-in high performance microphone, ReSpeaker responds to your voice and recognize your speeches based on powerful online cognitive services like Microsoft Cognitive Service, Amazon Alexa Voice Service, Google Speech…
The project, called the 503HTA, packs a single 12AU7 or 6922 tube and a solid-state IRL510 Mosfet circuit into a hybrid amplifier that mounts to 40-pin Raspberry Pi boards, including the Pi 2 and Pi 3. It includes a 24-bit DAC, a gain select switch, and a 3.5mm headphone jack. Putting out just 500mw, it’s designed…
A single AA battery is used to provide 5V or 3.3V (or other voltages by tuning the feedback resistors). A boost regulator provides the “over”voltage. At 5 V, 200 mA output, BooSTick can handle even the biggest Arduinos. Even if you’re sloppy with power management in your code and you use a power hungry shield,…
A Low Frequency (i.e. audio LF) amplifier for many uses, able to drive small speakers in portable or stand-alone devices with maximum efficiency and without needing heat sinks. Particularly suitable as final stage for MP3 players and portable audio players. As the “hunger for watt” is insatiable, the demand for LF low power…
A light system, capable of simulating the alternation of night and day, that will make your nativity scene – be it a small or a big one – even more realistic. Our circuit is capable of piloting four light loads, corresponding to the daylight, to the brilliance of the stars, to the household hearths,…
In this guide, we will describe how the DM Board ICS outputs can be controlled by means of your own voice. Here you can view a demonstration video. Hardware The module EasyVR 3 made by VeeaR is the speech recognition system chosen for this project. The connection of this module to the DM Board…
It’s a tiny box, with enormous sound. It looks clean, but it’ll get dirty. It’s small and simple, but it packs possibilities that will surprise you. It’s MeeBlip anode, the compact, award-winning monosynth. And without taking up much space or costing much money, it can add hands-on sound to any music making rig. MeeBlip anode…
Axoloti a “new solution to create your own digital synthesizer, effects unit, groovebox or stomp-box, quick and easy” just got funded on kickstarter! It’s let’s you create your own standalone digital audio instruments and effects through graphical programming, by using a dedicated electronic board. via Axoloti : a digital audio platform for makers | Indiegogo….
With more than 20 days to go, the m!Tone, is going to hit the market. It uses Arduino compatible electronics to that you can hack the system but, unfortunately, it’s not open source in terms of electronics and design. Maybe this be an inspiration for some music hackers! The m!lTone is an open-source synth &…
Well, sometimes you just don’t notice great projects coming around: Mixtape Alpha was a successful experiment for us, so much so, we ran out of our first production run. And, after much soul-searching, we decided to retire the product. But, before we did that, we wanted to give one last chance for music enthusiasts everywhere…
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