Cheap UV EPROM eraser teardown and spectrum analysis

  Kerry Wong did a teardown of a cheap UV EPROM eraser and measured the spectrum of the UV tube using a monochromator: Till recently, I have been using custom circuitry whenever I needed to backup some firmware. But the process was rather tedious as for each kind of EPROM or EEPROM I needed to […]

LED cube spectrum analyzer project

John Boxall over at Tronixstuff posted a step by step guide on building a LED cube spectrum analyzer: A few weeks ago I was asked about creating a musical-effect display with an RGB LED cube kit from our friends over at Freetronics, and with a little work this was certainly possible using the MSGEQ7 spectrum analyzer IC. In […]

Educational BoosterPack 8 bit FFT spectrum analyzer

SimpleAVR over at the 430h forum shows off his Educational BoosterPack 8 bit FFT Spectrum Analyzer project: SimpleAVR comes up with unique Launchpad projects. These include his  wire clock and spectrum analyzer projects. This time  he wired the CircuitCo Educational BoosterPack to a Launchpad to sample audio and have the LCD display a spectrum. Via […]