sound

ARDUINO AUTO GLOCKENSPIEL LOOKS PROPER IN COPPER

ARDUINO AUTO-GLOCKENSPIEL LOOKS PROPER IN COPPER

What is it about solenoids that makes people want to make music with them? Whatever it is, we hope that solenoids never stop inspiring people to make instruments like [CamsLab]’s copper pipe auto-glockenspiel. At first, [CamsLab] thought of striking glasses of water, but didn’t like the temporary vibe of a setup like that. They also considered […]

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Sound Off: Silencing Noise Pollution with Arduino and IoT

Increasing noise levels have become a major issue in many urban areas today due to factors like population increases, urban development, and technological advancements. Moreover, excessive noise from a neighbor or colleague can seriously impact one’s well-being and quality of life. Conversations conducted at high volumes in office settings are understandably disruptive. Having a coworker

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KINETIC SCULPTURE INTERMITTENTLY LIGHTS UP THE NIGHT

KINETIC SCULPTURE INTERMITTENTLY LIGHTS UP THE NIGHT

We absolutely love the impetus of this project, as it definitely sounds like something a Hackaday reader would go through. After finally deciding between a CNC router and a laser cutter, [Eirik Brandal] was planning to “Hello, World” the CNC with something quick and simple, like maybe a few acrylic plates with curves and some

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Making Sounds with Arduino

Making Sounds with Arduino

The limited funding and job opportunities in the humanities field make it challenging for emerging scholars to pursue additional knowledge. As scholars must acquire extensive knowledge within their respective disciplines, they must also create coherent projects within an academic context. This situation creates difficulties for educators to learn and develop technology-related curriculum. However, there is

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VACUUM TUBE PRE AMPLIFIER RUNS ENTIRELY ON 3.3V INCLUSIVE OF FILAMENT VOLTAGE

VACUUM TUBE PRE-AMPLIFIER RUNS ENTIRELY ON 3.3V, INCLUSIVE OF FILAMENT VOLTAGE

Most vacuum tubes need about 6.3V high supply plus filament voltage to operate. Running at 3.3V inclusively of the filament voltage, the new vacuum tube amplifier from Albert van Dalen has proven it possible to have one with the capacity to operate on an entirely low power supply voltage and still work well. To be able to

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COMPACT NON INVASIVE SENSOR CHIP DEVELOPED TO RECORD MULTIPLE HEART AND LUNG SIGNALS

COMPACT NON-INVASIVE SENSOR CHIP DEVELOPED TO RECORD MULTIPLE HEART AND LUNG SIGNALS

A team of researchers at the ‘Georgia Institute of Technology’ has come up with a non-invasive sensor-in-a-chip that records details of the heartbeat, respiration rates, and lung sounds. It even tracks the wearer’s physical activities, such as walking. The signals are recorded in sync, potentially giving healthcare workers a detailed overview of a patient’s heart and lungs.

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ROHM WITH NEW 2.8W HIGH POWER SPEAKER AMP ICS FOR ADVANCED INSTRUMENT CLUSTERS

ROHM WITH NEW 2.8W HIGH POWER SPEAKER AMP ICS FOR ADVANCED INSTRUMENT CLUSTERS

ROHM recently announced the AEC-Q100 qualified 2.8W output Class AB monaural speaker amplifiers the BD783xxEFJ-M series (BD78306EFJ-M, BD78310EFJ-M and BD78326EFJ-M) ideal for instrument clusters – used in vehicles equipped with autonomous driving and ADAS. In recent years, technological innovations in the automotive field – such as autonomous driving and ADAS – require a greater variety of sounds, such

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