Monthly Archives: November 2015

MSGEQ7 Spectrum Analyzer Kit

I have designed two PCBs for the MSQEQ7 based audio spectrum analyzer I described in my previous post. See it in action here: The boards are stacked on top of each other. The bottom one contains the analyzer, timer, and LED driver. … Continue reading

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Some notes about AVR timers

Some people asked about how to arrive at the timer settings used in the IR library port. Here’s my quick guide on how to set the timer parameters to have an interrupt service routine called every 50 microseconds. 1. ATtiny4313 / ATtiny2313 … Continue reading

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