Piezo Element Amplifier for Guitar and Violin
Sensor

Piezo Element Amplifier for Guitar and Violin

The board presented here is a preamplifier for contact microphones that are used for amplifying the sound of musical instruments which do not contain electrical pickups, such as guitar and violins. Most contact microphones use a piezo element to convert vibration in the body of the...

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SparkFun Analog MEMS Microphone Breakout for remote IoT applications
Sensor

SparkFun Analog MEMS Microphone Breakout for remote IoT applications

SparkFun has announced an Analog MEMS Microphone Breakout board built around the famous SPH8878LR5H-1 analog microphone. A MEMS microphone is an electro-acoustic transducer housing a sensor (MEMS) and an application-specific integrated circuit (ASIC) in a single package. The board...

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Dev Board Micro – A microcontroller board with a camera, mic, and Coral Edge TPU
AI

Dev Board Micro – A microcontroller board with a camera, mic, and Coral Edge TPU

The Dev Board Micro board combines a camera, microphone and Coral Edge TPU with an NXP i.MX microcontroller Google is launching an edge AI board in the same form factor as a Raspberry Pi Nano for its Coral AI processor and NCP’s i.MX microcontroller for the first time. The Coral Dev...

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Open Source PDM to USB microphone based on the Raspberry PI RP2040
USB

Open Source PDM to USB microphone based on the Raspberry PI RP2040

Maker Mahesh Venkitachalam has designed a high-quality microphone he calls Mico using the main component of the Raspberry Pi Pico – the RP2040 controller chip. He writes: Recently, I’ve been working with the Raspberry Pi Pico. I’ve been dazzled with the RP2040 - especially with...

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Pre-Amplifier for MEMS Microphone
Audio

Pre-Amplifier for MEMS Microphone

This is a low-cost, small-size audio pre-amplifier for MEMS microphone, OPAMP-based circuit amplifies the low-level analog signal coming from MEMS microphone to the desired level required for the next stage which is an audio amplifier, basically microphone level to line level. Resistor...

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MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier
Audio

MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier

MEMS Microphones is setting a new performance benchmark across a growing number of industries. These innovative silicon microphones were designed to extend the benefits of the lowest possible self-noise (high SNR) and lowest distortion to an ever-expanding number of applications. The...

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MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE
Audio

MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE

Stereo finds widespread applications in audio media production owing to the growing demand for portable consumer electronics and listening systems like PA systems and sound boxes supporting impression and sonics of natural hearing. Form factor requirement of the new maker and DIY boards...

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1.303
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Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling
Audio

Low Voltage Microphone Preamplifier with Variable Compression and Noise Canceling

This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize...

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