Recently Added Notes
- SDR FM Radio with Python
This project uses GNU Radio Companion to generate python code from a flow graph that plays FM radio stations using… Read More »SDR FM Radio with Python - JDY-40 Wireless Broadcast
A commenter on a previous post asked about JDY-40 broadcasting to multiple nodes, where only a specific remote node will… Read More »JDY-40 Wireless Broadcast - Why Are Complex Numbers in the Discrete Fourier Transform?
Why does the Fourier Transform generate complex numbers in the frequency domain? The Discrete Fourier Transform (DFT) of a signal… Read More »Why Are Complex Numbers in the Discrete Fourier Transform? - Ugly Remote Control Battery Mod
I modified the remote control for my office light & fan so that it takes a 9 volt battery instead… Read More »Ugly Remote Control Battery Mod - Simple Game Buzzers with Arduino
My son was in need of game buzzers on short notice. So I put together something quick & simple that… Read More »Simple Game Buzzers with Arduino