IBM i Software Developer, Digital Dad, AS400 Anarchist, RPG Modernizer, Alpha Nerd and Passionate Eater of Cheese and Biscuits. Nick Litten Dot Com is a mixture of blog posts that can be sometimes serious, frequently playful and probably down-right pointless all in the space of a day. Sep 22, 2018 · The MSGEQ7 library provides an interface to an arbitrary number of MSGEQ7 chips, to convert analog voltage output from the chips to digital data. The data is of values from 0 to 255 (8 bits). Output from each chip, which is input to the library, is referred to in the documentation for this library as a "channel". Abstract: ADN2830 AD8591 ADN2850 SSM2211 place IBM REV 2.8 automatic laser power control drop protection automatic light control with PIN photo diode CIRCUIT DIAGRAM 12kas Text: Average Power Loop Capacitor . Average Power Loop Capacitor . Supply Voltage Supply Voltage No Connect , greater than 22nF are used to set the actual loop bandwidth. Simple MSGEQ7 tutorial Jan 31, 2013, 04:27 am If anyone's interested, I wrote a short tutorial on using the MSGEQ7 and using them to make simple spectrum analyzers.