Optical sensors can provide either digital or analog outputs. With digital outputs, relative position is determined by counting pulses, and pulse width determines the resolution.

OMC has launched a fibre optic transceiver shield for Arduino Uno, designed to work with PMMA (polymer) optical cables up to 25m long, plus demonstration software.

The National Science Foundation (NSF) recently awarded ZS Instruments, which is a startup connected to Purdue University, a 2-year/$1 million Phase II Small Business Innovation Research (SBIR) grant ...

ZS Systems LLC, dba ZS Instruments, has received a two-year, $1 million Phase II SBIR from the National Science Foundation to develop a novel method to produce high-accuracy optical encoders. Optical ...

Optical encoders cause low, steady noise, whereas magnetic and inductive encoders cause higher, much more heterogeneous noise, even with a low-pass filter.

This Arduino sketch is used to control 2 DC motors and 2 optical encoders from printer head frame by step/ direction signals.

Optical encoders produce an immediate signal with no lag, so the shaft is where the encoder says it is in terms of position and time. Time is important when using the encoder to measure velocity ...

Because optical encoders function best when nothing gets in the way of the light path, operation environments with high humidity, moisture or excessive dust can cause problems for optical encoders ...