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Digital /
Logic Circuits Page 10b
Digital or Logic Circuits: #'s
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Last Updated on:
Wednesday, November 29, 2017 05:38 AM |
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Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
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Microcontroller inputs parallel data using one pin - 2-Oct-08
Issue of EDN Clever use of pulses of various time constants allows a
microcontroller to input a slowly changing serial pulse stream using a
single I/O pin..... [Design Idea by Rex Niven, Forty Trout Electronics,
Eltham, Victoria, Australia] |
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MicroController Interface to the ADC12038 Families - National
Semiconductor Application Note (app note added 2/06) |
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Microcontroller measures resistance without an ADC - 15-Dec-08
Issue of EDN By configuring the I/O ports of a microcontroller as an
astable multivibrator,.... [Design Idea by Ashish Aggarwal, Netaji Subash
Institute of Technology, Dwarka, India] |
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Microcontroller moving-dot display
interface uses three I/O lines - 1-May-08 Issue of EDN A
moving-dot LED-display interface to a microcontroller uses only three
output pins..... [Design Idea by Abel Raynus, Armatron International,
Malden, MA] |
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MicroController Multiplexes Dip Switches to I/O Port - 02/17/00
EDN-Design Ideas..... EDN is migrating links. This link is not verified.
Google the "title" + EDN for new link. |
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MicroController multiplexes six Digital potentiometers -
05/11/00 EDN-Design Ideas..... EDN is migrating links. This link is not
verified. Google the "title" EDN for new link. |
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Microcontroller or DSP circuit controls on/off function - 13-Nov-03 Issue of
EDN In many applications, a single on/off button switches the power supply on or
off. Usually, the system switches off regardless of the processing function or
workload the microcontroller or DSP circuit is currently handling. The small circuit
in Figure 1 is intended to make the microcontroller or DSP circuit the master over
this on/off function..... [Design Idea by Dirk Gehrke, Texas Instruments, Freising,
Germany, and Frans Ravn, ChemoMetec A/S, Alleroed, Denmark] |
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Microcontroller produces analog output - 16-Oct-03 Issue of EDN A brushless
dc motor needs several voltage levels to control its speed 0V to stop the motor,
5V to run it at maximum speed, and some voltages between these extremes to run it
slower. When you use such a motor in a system under microcontroller supervision, the
microcontroller should generate all these voltages..... [Design Idea by Abel Raynus,
Armatron International, Melrose, MA] |
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Microcontroller programmer taps power from PC’s serial port - 26-Apr-07
Issue of EDN A PC's serial port can supply enough power to supply a
microcontroller programmer..... [Design Idea by GY Xu, XuMicro, Houston, TX] |
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Microcontroller provides an alternative to DDS - 7-Jan-10 Issue of EDN
Use a microcontroller to generate the codes for a DAC..... [Design Idea by Daniele
Danieli, Eurocom-Pro, Venice, Italy] |
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Microcontroller provides low-cost analog-to-digital conversion, drives seven segment
displays - 10-May-07 Issue of EDN Versatile conversion circuit detects
and displays signal's peak value..... [Design Idea by Name withheld by author’s
request] |
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Microcontroller provides SRAM battery backup - 26-Jun-03 Issue of EDN
To maintain content in the event of power loss, many designs that include SRAM require
a dedicated device that can automatically switch from a standard power supply to
battery operation. Microcontrollers seldom find use in power-switching applications.
Because microcontrollers typically operate from the primary power supply, they stop
execution if that supply drops, thereby making it impossible..... [Design Idea by Dave
Bordui, Cypress Semiconductor, Orlando, FL] |
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Microcontroller provides timer function - 01/04/01 EDN-Design Ideas.....The
circuit in Figure 1 is a µC-based programmable timer with two output channels. The
first channel, activated by pressing the red switch, S3, has a red LED at its output.
This channel is active until it reaches its desired time-out point. The second output
channel connects to a green LED..... [Design Idea by Tito Smailagich, ENIC, Belgrade,
Yugoslavia] |
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Microcontroller selects minimum/maximum value - 20-Sep-01 Issue of EDN
Microcontroller-based systems for measurement, sensor-data processing, or control,
sometimes require you to determine a maximum or minimum data value. For example, in an
object-detection system, such as a radar or sonar system, the microcontroller receives
echo signals from multiple targets and then must select the closest one; in other
words, it must determine the minimum distance..... [Design Idea by Abel Raynus,
Armatron International, Melrose, MA] |
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MicroController simplifies battery state of charge measurement - 04/27/06
EDN-Design Ideas Monitor battery status for renewable energy systems. EDN is migrating
links. This link is not verified. Search the "title" + EDN for new link.
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MicroController takes control of comparator - 09/01/00 EDN-Design Ideas
EDN is migrating links. This link is not verified. Search the "title" + EDN for
new link. |
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Digital or Logic Circuits: #'s
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