Piezo Element Amplifier for Guitar and Violin
https://www.electronics-lab.com/project/piezo-element-amplifier-for-guitar-and-violin/
[Customadds id=643821] 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 musical instrument to a voltage. The circuit […]
Audio Line Driver using DRV135 with Balanced Output
https://www.electronics-lab.com/project/audio-line-driver-using-drv135-with-balanced-output/
[Customadds id=643821] The project presented here is a differential output amplifier that converts a single-ended audio signal input to a balanced output pair. This balanced audio project consists of high-performance OPAMPS with on-chip precision resistors. They are fully specified for high-performance audio applications and have excellent AC specifications, including low distortion (0.0005% at 1 kHz) […]
SPI Programmable-Gain Amplifier with Input VOS Trim and Output OPAMP
https://www.electronics-lab.com/project/spi-programmable-gain-amplifier-with-input-vos-trim-and-output-opamp/
[Customadds id=643821] The project presented here is an SPI programable Gain Amplifier using MAX9939. The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense, medical instrumentation, and sonar data acquisition applications. It features SPI-programmable differential gains from […]
Full Wave Rectifier Using Single Supply OPAMP
https://www.electronics-lab.com/project/full-wave-rectifier-using-single-supply-opamp/
[Customadds id=643821] This is a Full wave rectifier project built using MAX44267 dual OPAMP which provides true zero output with a single supply. The circuit converts Bipolar/AC input into full-wave output. CN1 is provided for sinewave input, CN2 helps to connect the power and output. Operating supply 15V DC, D1 power LED. The MAX44267 precision, […]
Universal OPAMP Board for SMD MSOP8 Package
https://www.electronics-lab.com/project/universal-opamp-board-for-smd-msop8-package/
[Customadds id=643821] This is easy to build and very useful project for hobbyists and students to learn and create OPAMP-based projects. The project accommodates a single OPAMP in the MSOP8 package. The project provides the user with multiple choices and extensive flexibility for different applications circuits and configurations. It provides the user with many combinations […]
Bidirectional Speed Control for DC Motors
https://www.electronics-lab.com/project/bidirectional-speed-control-for-dc-motors/
[Customadds id=643821] This is a very simple bidirectional speed control of a small DC brushed motor. The project is built using power OPAMP TCA0372 which can drive a load up to 1A. Connecting a small DC motor and trimmer pot will control the motor forward/reverse operation along with speed control. A Trimmer potentiometer is provided […]
Universal OPAMP Board for SMD SOT23-5 Package
https://www.electronics-lab.com/project/universal-opamp-board-for-smd-sot23-5-package/
[Customadds id=643821] This is easy to build and very useful project for hobbyists and students to learn and create OPAMP-based projects. The project accommodates a single OPAMP in the SOT23-5 package. The project provides the user with multiple choices and extensive flexibility for different applications circuits and configurations. It provides the user with many combinations […]
Universal Op-Amp Board for SMD SOIC-8 Package
https://www.electronics-lab.com/project/universal-op-amp-board-for-smd-soic-8-package/
[Customadds id=643821] This is easy to build and very useful project for hobbyists and students to learn and create OPAMP-based projects. The project accommodates a single op-amp in a SOIC-8 package. The project provides the user with multiple choices and extensive flexibility for different applications circuits and configurations. It provides the user with many combinations […]
Universal OPAMP Board for DIP-8 Package
https://www.electronics-lab.com/project/universal-op-amp-board-for-dip-8-package/
[Customadds id=643821] This is easy to build and very useful project for hobbyists and students to learn and create op-amp-based projects. The board accommodates a single op-amp in DIP-8 package. The project provides the user with multiple choices and extensive flexibility for different applications circuits and configurations. It provides the user with many combinations for […]
Microphone Preamplifier – Sound Sensor
https://www.electronics-lab.com/project/microphone-preamplifier-sound-sensor/
[Customadds id=643821] This is an easy to construct dual-stage microphone pre-amplifier. The project can be used as a sound sensor or microphone pre-amplifier. The 1st op-amp pre-amplify the very low-level signal coming from the condenser microphone and 2nd op-amp provides more boost to the audio signal. The pre-amplifier is an important building block for many […]