Long Range Arduino Based Walkie Talkie using nRF24L01
We are living in the era of 5G and 5G-enabled devices; however, old technologies like the walkie-talkie system and RF...
audio amplifier
Low-Noise, Class D/G Amplifier from Maxim Integrated Consumes 1/5 the Quiescent Power for Industry-Compliant, Always-On Speakers
Maxim Integrated unveiled the MAX98396 Class D/G speaker amplifier with the industry’s lowest noise and lowest quiescent power...
Dog Barking Security Alarm using Arduino, PIR Sensor and Dog Barking Sound Module
The need for home security alarm systems nowadays is a serious demand. As the number of crimes is increasing every day, there...
New High-Resolution Audio Amplifier Designed for Compact, Cost-Effective Automotive Applications
The HFDA801A from STMicroelectronics is a high-resolution audio amplifier that is specifically designed for compact, cost-...
Class-D Automotive Audio Amplifier with Hi-Fi Audio Quality and Advanced Diagnostics for Compact Audio and Alerting Systems
The HFDA801A from STMicroelectronics is a 2MHz switching pulse-width modulation (PWM) Class-D amplifier designed for compact,...
Simple Arduino Voice Recorder for Spy Bug Voice Recording
Planning to buy a small voice recorder to record voices or sounds in an environment and store them in its memory? Think again!...
Build a Simple Stereo Audio Amplifier Board using TDA2822
An audio amplifier is an Electronic circuit that amplifies low-power audio signals to a level suitable for driving Loudspeaker...
DIY ESP32 Based Audio Player
DIY Music players are fun to build, and we previously built a few music players using Arduino and a dedicated MP3 module. Now...
Audio Equalizer / Tone Control Circuit with Bass, Treble and MID Frequency Control using Op-Amp
Tone control or Active equalizer circuit especially bass, treble, and MID control based Equalizer is an important circuit in...
Voice Controlled FM Radio using Arduino and Google Assistant
Nowadays, most of us like to listen to music, with our smartphones. But a few years back, this was not the case, at that point...
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