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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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DigiPot – Rotary Encoder Digital Potentiometer

Description The “potentiometer” is actually a rotary encoder (TW-700198) connected to a microcontroller that reads the signal from it and convert it to a value that is displayed on 7-segment displays. The value also is sent via i2c/spi/serial/usb to the host. Also 3 LED and included for status indication. The board is planned to either be operated in an autonomous mode where the display is updated by the bo ...

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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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Altera, ATEME to Demonstrate Industry’s First FPGA-Based H.264/AVC Encoder at NAB

Las Vegas, NV (PRWEB) April 15, 2005 Altera Corporation (NASDAQ: ALTR) and ATEME will demonstrate the industry’s first FPGA-based H.264/AVC real time video encoder at National Association of Broadcasters (NAB) 2005. Utilizing Altera’s Stratix® II FPGA, the ATEME solution enables broadcast video quality and is available as intellectual property (IP) using Very High Speed Integrated Circuit Hardware Descripti ...

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Fujitsu and XSYS develop MPEG-2 encoder system for prototype in-car digital video system

(PRWEB) February 10, 2001 February 6th 2001. Fujitsu Microelectronics Europe has announced that it is working closely with XSYS Interactive Research of Villingen, Germany, on the implementation of Fujitsu’s MPEG-2 encoder in a sophisticated in-car digital video and data distribution system. Unlike previous-generation analogue systems which were based on copper coaxial cabling, the highly advanced video ...

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Vela Research Announces High Performance Streaming & Storage Hardware MPEG-2 H.264 SD & HD Encoder The XStreamHD Encoder

Tampa, FL (PRWEB) March 13, 2012 Vela Research announced the newest addition to its family of high performance multi-screen, multi-format encoders, the XStreamHD Encoder. Velas XStreamHD encoder, a board-level solution based upon Velas Emmy award winning encoding and video processing technology, utilizes a System on IC design to eliminate the need for a host PC, and comes in a half-length PCIe x 1 form ...

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