Posted in Arduino Hacks, LED Hacks Tagged disco light, fastLED, led, light show ← Lattice Drops EULA Clause Forbidding FPGA Bitstream Reverse Engineering A DIY Electronic Load With A Twist → ...

Note that humans perceive the brightness change non-linearly. The human eye responds to light in a logarithmic fashion and has a better sensitivity at low luminance than high luminance. If you do not ...

Then expose the photodiode to a sufficiently strong light source and swing your hand towards the photodiode and observe how the pitch changes. In my room, I did a simple experiment of varying the ...