Spectrum analyzer + watch


Two lights-emitting diode 5*8 matrixes where used to construct a computer controlled spectrum analyzer and clock. Microcontroller ATMEL AT90S2313 is the heart of device. The controllers accepts data from a serial port and with the help of conclusions of port B and the additional decoder 74145 is deduce a spectrum on the light-emitting diode screen are collected from two matrixes.

Spectrum analyzer + watch – [Link]

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>