all
|
audio
|
badgelife
|
breakout
|
clocks
|
displays
|
experiments
|
feather
|
handhelds
|
home automation
|
howto
|
LED art
|
misc
|
props
|
robots
|
sewing
|
software
|
tools
|
no_category
400 LED XY oscilloscope
using 4 LM3914s and some inverters to get an oscilloscope
Inspired by the Forrest Mims III "Engineer's Notebook" I created an LED oscilloscope with the LM3914.