[Leigh] is a HAM operator (you may know him as wa5znu). He is familiar with a signal visualization tool called a waterfall which plots signal strength and frequency over time. He wanted to ...

Creating a video signal from a computer ... Not according to [techtoys], who has created an Arduino shield that creates an HDMI output from an SPI control input. This is a project that seems ...

Arduino has taken the product “maker” world by storm and ... The digital nature of the DDS process results in an output signal and many signal images. The images follow a sin(x)/x envelope. This ...

Anyone searching for a way to control their entertainment centre, TV or set top box you may be interested in a new Arduino project ... infrared “babel fish” signal translator, named after ...