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Digital /
Logic Circuits Page 10a
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 controls analog phase shifter - 12-Jun-08 Issue of EDN
By using a digital potentiometer in a phase-shift circuit, a microcontroller can
precisely control phase shift..... [Design Idea by Nick Ierfino, IGS Technologies,
Montreal, PQ, Canada] |
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MicroController controls multichemistry battery charger - 09/28/00
EDN-Design Ideas.....Figure 1 is a generalized block diagram of a multichemistry
battery charger. A COP8ACC5 µC handles its key charging features. The µC is available
in a 20-pin (15 I/O pins] SOIC or a 28-pin (23 I/O pins] SOIC/DIP. It contains 4 kbits
of internal ROM. The controller's A/D inputs monitor..... [Design Idea by Kelly
Flaherty, National Semiconductor, Santa Clara, CA] |
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Microcontroller detects pulses - 24-Jul-08 Issue of EDN A
microcontroller detects output pulses in a device under test..... [Design Idea by Abel
Raynus, Armatron International, Malden, MA] |
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Microcontroller directs supply sequencing and control - 29-May-03 Issue of
EDN With the proliferation of dual-voltage architectures and multiprocessor
boards, even simple applications can require several processor voltage rails. With
each processor having its own power-up and -down requirements, power-rail sequencing
and control can become a complex task. The challenge for power-supply designers is to
consider each processor's timing and voltage requirements and assimilat..... [Design
Idea by Joe DiBartolomeo, Texas Instruments, Dallas, TX] |
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Microcontroller discerns addresses in RS-485 systems - 8-Nov-01 Issue of EDN
One of the many benefits of using the RS-485 data-interface system, unlike the RS-232
system, is its ability to implement multidrop networks. Such networks usually carry
9-bit data words, in which the ninth (parity] bit identifies each word as address or
data. When using small microcontrollers without a hardware UART, such as IC1 in Figure
1, designers must decide whether to add an exte..... [Design Idea by Nigel Brooke and
Ted Salazar, Maxim Integrated Products, Sunnyvale, CA] |
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Microcontroller displays multiple chart or oscilloscope timing ticks -
1-May-08 Issue of EDN A crystal controlled microcontroller generates precise
timing ticks..... [Design Idea by William Grill, Honeywell, Lenexa, KS] |
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MicroController drives 20 LEDs - 27-Sep-07 Issue of EDN Dhananjay V
Gadre of the Netaji Subhas Institute of Technology in New Delhi, India, details and
demonstrates the use of "Charlieplexing" to drive 20 LEDs using six available I/O pins
on an 8-pin microcontroller….[Video Design Idea] [Design Idea by Dhananjay V Gadre of
the Netaji Subhas Institute of Technology in New Delhi, India] |
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Microcontroller drives H bridge to
power a permanent-magnet DC-mmotor - 15-Mar-07 Issue of EDN Improved
H-bridge requires only two driver signals..... [Design Idea by Luca Bruno, ITIS
Hensemberger Monza, Lissone, Italy; Edited by Brad Thompson and Charles H Small] |
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Microcontroller drives LCD with just one wire - 3-Dec-07 Issue of EDN
A Microchip PIC10F family microcontroller sparks an HD44780 LCD using a single I/O
pin..... [Design Idea by Noureddine Benabadji, University of Sciences and Technology,
Oran, Algeria] |
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Microcontroller drives
logarithmic/linear dot/bar 20-LED display - 18-Jan-07 Issue of EDN
Do-it-yourself analog-to-LM3914 display driver offers user programmability.....
[Design Idea by Dhananjay V Gadre and Anurag Chugh, Netaji Subhas Institute of
Technology, New Delhi, India; Edited by Brad Thompson and Fran Granville] |
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Microcontroller emulates numerically controlled oscillator - 21-Feb-02 Issue
of EDN Microcontrollers commonly add intelligence or digital functions to
products, but they can also provide a variety of analog signals. An 18-pin PIC 16C54
microcontroller, combined with an inexpensive, 8-bit DAC and a simple lowpass filter,
can generate sine waves from dc to approximately 50 kHz with a tuning resolution of 24
bits..... [Design Idea by Tom Napier, North Wales, PA] |
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Microcontroller functions as voltmeter - 10-May-07 Issue of EDN PIC
microcontroller and FETs enable a four-digit voltmeter..... [Design Idea by Noureddine
Benabadji, University of Sciences and Technology, Oran, Algeria] |
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Digital or Logic Circuits: #'s
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