Digital Volume Control
https://www.electronics-lab.com/project/digital-volume-control-2/
This digital volume control has no pot to wear out and introduces almost no noise in the circuit. Instead, the volume is controlled by pressing UP and DOWN buttons. This simple circuit would be a great touch to any home audio project. Parts: C1 – 0.1uf Ceramic Disc Capacitor U1 – DS1669 Digital Pot IC (See Notes) […]
10W Mini Audio Amplifier
https://www.electronics-lab.com/project/10w-mini-audio-amplifier-2/
You can use this powerful amplifier in any small audio project. It is very small (6.5 x 4.5 cm) and it outputs 10W using a 9V battery. Parts List TDA2003 Datasheet
20 to 80 Seconds Voice Record Playback
https://www.electronics-lab.com/project/20-to-80-seconds-voice-record-playback/
This project is a 20 to 80 seconds Voice Record – Playback module based on ISD1740 IC. Project has been designed to record & playback multi voice massages using Winbonds ISD1740IC. Messages are stored in flash memories made in unique Multilevel Storage Technology (MLS). Circuit provides high quality audio recording and simple operations. Circuit […]
RF
https://www.electronics-lab.com/article/rf/
General
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Communication
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Microcontrollers
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Batteries
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Components
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Electronics courses
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