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ID: 189997

ETHERNET AUDIO SYSTEM - PRINTED PLATES AND PROGRAMMED SYSTEM

Retired

ETHERNET AUDIO SYSTEM - PRINTED PLATES AND PROGRAMMED SYSTEM

Producer: AVT

As we all know, we become more and more comfortable. We want to have the easiest access to all multimedia at home. There are of course wireless systems, but they are relatively expensive. Meanwhile, many computer networks (wired) Ethernet are installed in many homes. And with their help you can send audio signals.
The presented system is a signal transducer sent via a computer network to an audio signal. Typical standard internet transmission protocols are used during the work: IP, MAC address, ARP, UDP and ICMP.
The device is divided into three modules. This facilitates assembly, startup and reduces the possibility of feedback and interference. The first module is the web interface. He is responsible for two-way data transmission. The second block is the central unit. Armed with the ATMEGA32 processor, it supervises the entire transmission process, i.e. it checks the data packets, processes them and directs them to the analogue part. The last module contains the device's output circuits. Built-in RC filters clean the signal received from the microcontroller. Yes, so we get an analog signal on the output.

The device is especially recommended for all music lovers who are interested in easily distributing audio signals

Selected parameters:

  • Ethernet controller based on the ENC28J60 (Dallas) system
  • three-core, full-duplex interface
  • transmission protocols - IP., ARP, UDP, ICMP, MAC address
  • the ability to change the IP address
  • audio signal processing - 8 bit
  • cascade first order output filters on the audio output
  • audio output signal - stereo
  • power supply - 6-24Vdc
  • tile dimensions:
    • 82x51mm
    • 65x79mm
  • in the set, printed circuit boards, programmed layout and documentation
        Detailed description in
    EdW 9/08

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189997

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