Amplifier Archives - Open Electronics https://www.open-electronics.org/tag/amplifier/ Open source electronic projects Sat, 10 Jun 2023 15:51:46 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.1 https://www.open-electronics.org/wp-content/uploads/2015/08/cropped-logo-32x32.jpeg Amplifier Archives - Open Electronics https://www.open-electronics.org/tag/amplifier/ 32 32 32754084 Efficient and Compact Stereo Power Amplifier: Unleash High-Quality Audio with the PAM8610 https://www.open-electronics.org/efficient-and-compact-stereo-power-amplifier-unleash-high-quality-audio-with-the-pam8610/ https://www.open-electronics.org/efficient-and-compact-stereo-power-amplifier-unleash-high-quality-audio-with-the-pam8610/#comments Sat, 10 Jun 2023 15:51:06 +0000 https://www.open-electronics.org/?p=36186   Stereo power amplifier 10+10W into 8 ohms based on the integrated PAM8610, suitable for systems that require high efficiency and little heat to be dissipated.   By now, the miniaturization of electronic circuits is advancing unstoppably. It involves even those devices of traditional electronics such as audio amplifiers, which do not have a strict […]

The post Efficient and Compact Stereo Power Amplifier: Unleash High-Quality Audio with the PAM8610 appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/efficient-and-compact-stereo-power-amplifier-unleash-high-quality-audio-with-the-pam8610/feed/ 1 36186 Extremely Sensitive Cheap Homemade Seismometer https://www.open-electronics.org/extremely-sensitive-cheap-homemade-seismometer-2/ https://www.open-electronics.org/extremely-sensitive-cheap-homemade-seismometer-2/#respond Sun, 20 Feb 2022 16:00:00 +0000 https://www.open-electronics.org/?p=34735 The seismometer is a device for detecting earthquakes and measuring their strength. Generally these are very accurate tools and are relatively difficult to build at home. Commercially available sensors are often expensive, and inexpensive shock-sensitive electronic modules are not accurate enough for this purpose. In this project we will see how to create a cheap […]

The post Extremely Sensitive Cheap Homemade Seismometer appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/extremely-sensitive-cheap-homemade-seismometer-2/feed/ 0 34735 Speech recognition with an Arduino Nano https://www.open-electronics.org/speech-recognition-with-an-arduino-nano/ https://www.open-electronics.org/speech-recognition-with-an-arduino-nano/#respond Thu, 05 Aug 2021 11:53:54 +0000 https://www.open-electronics.org/?p=32974 Peter Balch, reading an IEEE report on speech recognition from the late 1970s, wondered if, with a normal Arduino Nano, it was possible to obtain the results of a computer of the time. Comparing the two tools a Nano has 2 KB of RAM, 32 KB of program ROM and runs at about 10 MIPS […]

The post Speech recognition with an Arduino Nano appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/speech-recognition-with-an-arduino-nano/feed/ 0 32974 A vintage Boombox with Spotify https://www.open-electronics.org/a-vintage-boombox-with-spotify/ https://www.open-electronics.org/a-vintage-boombox-with-spotify/#respond Mon, 14 Jun 2021 14:01:13 +0000 https://www.open-electronics.org/?p=32751 If you find an old broken Boombox at home, don’t throw it away! You can turn it into a modern one with Spotify and NFC cassettes. The cassettes will have an NFC tag inside them and each of them can be associated with a Playlist on Spotify. The old stereo was disassembled and deprived of […]

The post A vintage Boombox with Spotify appeared first on Open Electronics. The author is Marco Ventimiglia

]]> https://www.open-electronics.org/a-vintage-boombox-with-spotify/feed/ 0 32751 2,8W Class D Amplifier https://www.open-electronics.org/28w-class-d-amplifier/ https://www.open-electronics.org/28w-class-d-amplifier/#respond Thu, 20 Apr 2017 09:12:40 +0000 https://www.open-electronics.org/?p=20280   Designed for small amplified audio speakers or as output stage for MP3 players, radio receivers or compact hi-fi systems; it is based on a class D integrated circuit which, thanks to the high efficiency, is ideal for battery-powered solutions.   Small power amplifiers for battery-powered audio devices must satisfy two requisites, which are essentially […]

The post 2,8W Class D Amplifier appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/28w-class-d-amplifier/feed/ 0 20280 An Open Source 4W Guitar Amplifier https://www.open-electronics.org/an-open-source-4w-guitar-amplifier/ https://www.open-electronics.org/an-open-source-4w-guitar-amplifier/#comments Sat, 21 Jan 2017 16:21:32 +0000 http://www.open-electronics.org/?p=19305   Amazing board with volume and tone controls and a distortion fuzz integrated with activated/deactivated on demand; complete with a speaker and a power supply, it constitutes an essential tool for guitar exercises. Who likes to play electric guitar, unfortunately, knows that this instrument, unlike its acoustic alter ego, hasn’t a sound box: you can […]

The post An Open Source 4W Guitar Amplifier appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/an-open-source-4w-guitar-amplifier/feed/ 2 19305 The BF 15+15W open source power amp https://www.open-electronics.org/the-bf-1515w-open-source-power-amp/ https://www.open-electronics.org/the-bf-1515w-open-source-power-amp/#comments Thu, 10 Nov 2016 08:44:45 +0000 http://www.open-electronics.org/?p=18631   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 […]

The post The BF 15+15W open source power amp appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/the-bf-1515w-open-source-power-amp/feed/ 1 18631 An Open Source 2x3W Class D (Low Frequency) amplifier https://www.open-electronics.org/an-open-source-2x3w-class-d-low-frequency-amplifier/ https://www.open-electronics.org/an-open-source-2x3w-class-d-low-frequency-amplifier/#comments Fri, 18 Mar 2016 08:32:36 +0000 http://www.open-electronics.org/?p=16548   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 […]

The post An Open Source 2x3W Class D (Low Frequency) amplifier appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/an-open-source-2x3w-class-d-low-frequency-amplifier/feed/ 1 16548 A versatile, powerful 10 + 10 W Audio amplifier https://www.open-electronics.org/a-versatile-powerful-10-10-w-audio-amplifier/ https://www.open-electronics.org/a-versatile-powerful-10-10-w-audio-amplifier/#comments Thu, 04 Jul 2013 08:15:43 +0000 http://www.open-electronics.org/?p=4910 Today we present you a  stereo 10 + 10 Watts  audio amplifier based on TDA7297SA, a monolithic dual bridge amplifier that is suitable to be used in projects that feature access to a single 12 volts power supply. This is a compact stereo amplifier: its field of application range from car stereo to portable audiovisual […]

The post A versatile, powerful 10 + 10 W Audio amplifier appeared first on Open Electronics. The author is Boris Landoni

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