Posted in Radio Hacks Tagged arduino, ham, lcd, signal visualizer, waterfall ← How To Build Your Own Pulsed Laser Pistol Scavenging Ambient Electromagnetic Energy → ...

[El Artis] just finished building an audio spectrum analyzer that uses a character LCD. The uses an Arduino to drive the display, but unlike other meters that use the microcontroller for analysis, … ...

SparkFun currently offers more than 1,800 products, ranging from simple components, like capacitors and resistors to GPS units and Bluetooth modules. The company employs 120 people and is based in ...