Taming incremental rotary encoders
by Clive “Max” Maxfield, Editor at DENA. Rotary encoders can provide unwanted surprises to the unwary. When I started my career, rotary controls came in two main flavors. First, we…
Who wants to debounce a 24V switch?
Current surge protection, voltage level translation, and debouncing—what’s not to love? Deep in the mists of time when I wore a younger man’s clothes—circa the late 1970s—I was studying for…
Dazed and confused about switches?
Switches are ubiquitous, so why do so few of us use the correct terminology? Even though their underlying technologies are more than 100 years old, electromechanical switches continue to permeate…
Dazed and confused about switches?
Switches are ubiquitous, so why do so few of us use the correct terminology? Even though their underlying technologies are more than 100 years old, electromechanical switches continue to permeate…
Introducing a 21st century solution to the problem of switch bounce
When a switch is actuated, the number of bounces can range between 1 to 100+ over the course of a fraction of a second to more than 6 milliseconds. One…