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  • Multiplexing LED Drive and 4x4 Keypad Sampling
    Many applications require driving LEDs along with an interface to a keypad. Implementing such designs usually involves using up significant amounts of the processors I/O lines. This application note describes a method which uses only 16 I/O pins of a PIC16C5X microcontroller to sample a 4x4 keypad
  • Interfacing a 4x4 Matrix Keypad with an 8-Bit GPIO Expander
    AN1081 Interfacing a 4x4 Matrix Keypad with an 8-Bit GPIO Expander * I/O Direction Register (IODIR): The IODIR Author: Mike Curran register controls the direction of the port pins. A Microchip Technology Inc. high on the corresponding bit configures the pin as an input and a low configures
  • Silicone Keypad Design Guide
    Ryan Screen Printing (RSPI) is your trusted source for molded rubber parts, plastic injection molding, membrane switches, turn-key assemblies and more. Our engineers and offshore production facility can design, rapid prototype, and produce your rubber parts.
  • Electrone provides MPS Meat Processing Systems with Keypad Bidding Solution for New Slaughterhouse
    January 2009 - In the summer of 2008 Electrone Europe was approached with a brief to provide MPS Meat Processing Systems, the global market leader of high-tech red meat slaughtering systems, with a bidding solution as part of an auction system within the new MPS slaughterhouse development.
  • What Is The Default Password For An AC Tech SMVector VFD?
    This article illustrates how to access the parameter menu using the keypad on the SMVector drive with the default password.
  • Weatherproof Outdoor Keypads for Audio System
    Situation: AUDIOACCESS, a division of Madrigal Audio Labs of Middletown, Connecticut, wanted to extend the capability of their popular multi-room audio system to allow keypad control from an outdoor location (e.g. patio). The keypad contains sophisticated circuitry and eight pushbuttons to select
  • Food Depositor Machine
    TRM helped a food machine manufacturer to automate a dough depositor machine by using a 3 axis motion controller with colour screen and keypad
  • The Drive for Simplicity: Defining Trends in Motor Drives
    By Ilpo Ruohonen, Mika Paakkonen, Mikko S. Koskinen ABB's R &D team scrutinized every -aspect of how a user interfaces with a drive and developed what it believes is the most user-friendly keypad ever. The keypad for the ABB standard drive features only eight soft keys, through which all parameters
  • Computer Power User Article - Road Warrior
    , high-end, tri-band, GSM mobile handset. Inspired more by modern watch-making techniques than typical mobile technology, the phone features a stainless steel casing and an ultra-sleek design. For example, the keys on the keypad are fabricated with injection-molding technology, and the display is made
  • SP Solutions IVR/RADIUS Services for Calling Card, Prepaid and Other Payment Systems
    Technologies' Tenor MultiPath Switch provides effective support for RADIUS-compliant third-party IVR applications. The Tenor can relay messages from the IVR system to the caller and the caller's keypad responses to the IVR system (for account number, PIN codes, etc.). This allows all transactions
  • Implementing Wake Up on Keystroke
    Microchip's PIC16CXXX microcontroller family are ideally suited to directly interface to a keypad. The high 4-bits of PORTB (RB7:RB4) have internal pull-ups and can trigger a ?change on state? interrupt. This interrupt, if enabled, will wake the microcontroller from SLEEP. In most battery powered
  • Auto-Manual Selection Control: Drive Set-Up and Configuration
    Equipment users often desire to interface our drives products to an auto-manual selector switch. Typically, this will involve a remote reference for the drive in the auto mode and a potentiometer or local reference in manual mode. There is an auto-manual keypad selection for the GV3000/SE
  • Jog Circuit for the SP500 Drive: Setup and Configuration
    The success of the SP500 as an AC PWM drive can largely be attributed to its ease of set-up and configuration. Unlike the newer AC drives, however, neither the keypad nor the terminal board offered a dedicated jog PB. Should the need arise, jog functionality can be achieved by the methods discussed
  • The Drive for Simplicity: Defining Trends in Motor Drives
    and cheaper for its customers. By combining functions and cutting part counts, ABB has reduced the size of its drives while enhancing their reliability. The company has also developed a simplified set-up procedure using a harmonized keypad and software wizards that can be used across the ABB drive

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