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Interfacing rotary encoder to Atmega32

Recently I was working on a project that involved rotary encoder. I thought I'd share some thoughts on how rotary encoder can be interfaced and programmed. Actually it is easy to work with rotary encoders - interfacing is simple – only three wires are required to connect to microcontroller (two for signal (quadrature outputs) and one for reference (GND)). When turned there is a Grey code produced on outputs ...

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Rotary Encoder Interfacing with ATmega8 Microcontroller

In this tutorial we are going to interface a rotary encoder with ATmega8 microcontroller.  ATmega8 is atmel's microcontroller series designed for embedded applications. Rotary encoder is used to know the position of movement and angular movement of a motor or axis. It’s a three terminal device usually, with power and ground pin counts to five. A rotary encoder mo [caption id="attachment_34866" align="alignc ...

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Control accurate incremental voltage steps with a rotary encoder

Experimenting with an HF oscillator, I needed to control the varactor diode voltage in precise increments over a 2V-10V range. A buffered potentiometer was the obvious choice, and connecting two pots in series to give coarse/fine control (or using a multiturn pot) would offer improved control over the varactor voltage. However, this approach still didn't allow me to generate uniform increments and decrement ...

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Customizable Rotary Switches for your Interface Project

Montreal, Quebec (PRWEB) August 22, 2004 The thiNcoder EZI 2.0 rotor switch can give you the look and feel of a mechanical rotor with the benefit of being on an electronic flex circuit. This flat panel electronic rotor switch can be integrated right into your membrane/flex circuit switch panel or can be utilized as a stand-alone product. The EZI 2.0 won’t replace the thiNcoder® RT (also a Duraswitch te ...

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Ancaster Rotary Implements Innovative StrandVision Digital Signage Installation – No Sign

Ancaster, Ontario (PRWEB) May 17, 2011 The Rotary Club of Ancaster is making innovative use of StrandVision Digital Signage technology. It is using the StrandVision portal to drive an embedded "Online TV" digital signage display on its website,, providing a dynamic, animated information source and enabling the service organization to easily and quickly update the site. The ...

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