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Potentiometer Circuits, Page 3
Potentiometers:  #'s - A      B - D      E - L      M - Q       R - Z
Last Updated on: Wednesday, July 16, 2014 06:35 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
Electronic-potentiometer system has pushbutton interface -  26-Sep-02 Issue of EDN  As systems grow smaller, it becomes increasingly attractive to replace mechanical potentiometers with electronic potentiometers, which are smaller and less expensive silicon equivalents. A common interface for such devices comprises a Chip-Select, Increment and, Up/ line. CS activates the device and, on a rising edge of steps the wiper in a direction that the U/ pin indicates.... [Design Idea by Gene Warzecha and Roger Griswold, Maxim Integrated Products, Sunnyvale, CA]
Evaluation Kit for the 32-Position, Push Button, Up/Down Control Digital Potentiometer -  AN-712 Analog Devices Application Notes....[App Note]
Evaluation Kit for the AD5253 64-Position I2C-Compatible Nonvolatile Memory Digital Potentiometer -  AN-728 Analog Devices Application Notes  (app note added 2/06)
Evaluation Kit for the AD5254 Quad 256-Position I2C-Compatible Nonvolatile Memory Digital Potentiometer -  AN-729 Analog Devices Application Notes  (app note added 2/06)

Implementing an I2C® Reset -  AN-686 Analog Devices Application Notes  (app note added 2/06)

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Inexpensive Relays Form Digital Potentiometer -  03/13/98 EDN-Design Ideas....Build a digitally controlable isolated potentiometer that can tolerate voltages up to 60-Volt dc.... [Design Idea by Robert Perrin, Z-World, Davis, CA]
Interfacing Microchip's MCP41XXX & MCP42XXX Digital Potentiometers to Motorola?s 68HC12 MicroController -  Microchip Application Note Published 18-Jul-01  (app note added 2/06)
Interfacing Microchip's MCP41XXX/42XXX Digital Potentiometers to a PICmicro MicroController -  Microchip Application Note Published 2-Apr-01  (app note added 2/06)
LED dimmer uses only two lines -  21-Mar-02 Issue of EDN  The circuit in Figure 1provides 32 steps of brightness control-from 0 to 100%-for a backlight or instrument panel, using just two general-purpose-microprocessor signals. In addition, the circuit requires little board space, because it uses only three SOT-23s and one µMax package.... [Design Idea by Jerry Wasinger, WallyWare Inc, Norcross, GA]
LED Light Dimmers uses only Two Lines -  03/21/02 EDN-Design IdeasThis circuit provides32 steps of brightness control (from0 to100%]for a backlight or instrument panel, using just two general-purpose-micr....PDF contains multiple circuits, scroll to find the one of interest… [Design Idea by Jerry Wasinger,WallyWare Inc, Norcross, GA]
Linear potentiometer provides nonlinear light intensity control -  28-Apr-05 Issue of EDN  Circuit matches light control to eye’s intensity-response curve.... [Design Idea by Stephan Goldstein, Analog Devices, Wilmington, MA; Edited by Brad Thompson]

Potentiometers:  #'s - A      B - D      E - L      M - Q       R - Z

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