Found in a 90’s Electronics Now, this circuit has its output connected to an audio amplifier. The transducer is the type that fits on the finger to monitor the transparency and thus the beats.
This V/F converter was published in the June 1991 issue of Radio Electronics magazine. The...
This circuit is quite simple and if the LDR is mounted in an opaque tube with a lens, its...
OSEPP makes available through Mouser Electronics a series of 100% Arduino compatible robotic kits. The...