Angel L. Chang

@angellchang

professional engineering

United Kingdom

English, Spanish, French

About me

I am an embedded systems engineer specializing in the design of custom Public Address (PA) systems from concept to production. I help businesses, schools, factories, and smart buildings build reliable audio broadcasting solutions by combining hardware design, PCB layout, and efficient firmware development. I can design complete PA system electronics including audio amplifiers, microphone interfaces, wireless streaming (WiFi/Bluetooth), DSP audio processing, multi-zone control, and automated announcement... Read more

Skills