Random Numbers - PIC Project Many random number generators are software versions of the hardware shift
register feedback circuit. Two problems with this approach are that this operation is usually clumsy in
software and the results have some noticeable patterns. . . [Luhan Monat - Mesa Arizona]
Random-Bit-Sequence Generator - 05/10/01 EDN Design Idea A random-bit-sequence generator is basic equipment for
prototyping and testing any data-transmission system. You use such a generator when measuring BER (bit-error
rate) and pattern-dependent effects in a transmission system. Such effects can include base. . . [by
Przemyslaw Krehlik]
Random-Number Generator Prefers Imperfect Clock - 11/21/96 EDN Design Idea The circuit in Figure 1 generates random numbers using a
linear-feedback shift register (LFSR). The 16-bit LFSR consists of two shift registers, IC3 and IC4, and the
feedback circuitry comprising IC5A, IC6A, and IC6B. The CLK2 signal clocks the output of. . . [by Sergey
Velichko, SCP Global Technologies, Boise, ID]
Rapid Prototyping Methods for Embedded System Development - Application Note. . . [Agilent]
Rapid
Prototyping Speeds Development of UMTS W-CDMA Algorithms - Application Note. . . [Agilent]
Ratiometric Sensing using the PIC16C774 - Application Note Published 4-Apr-00. . . [Microchip]
RC Controlled Digital Camera - The aim of this project was to get a digital camera into a small electric radio controlled
(RC) airplane and still have it fly. The airplane shown, a park flyer, weighs between 400 and 550 grams
depending on the size of battery and wing configuration that I use. . . [Electronic communications to r dot p
at webone.com.au]
RDS Encoder-Digital part - . . .
Reading Data from the Parallel
Port - . . . [Bill Bowden, designer]
Real-Time Operating System for PIC16/17 - Application Note Published 7-Jan-00. . . [Microchip]
Reducing Noise on Microcomputer Buses - Application Note. . . [National Semiconductor]
Reflective Object Sensor Works In Bright Areas - 07/29/10 EDN Design Idea Digital logic lets you accurately detect a passing object, even
under a bright light. . . [by Vladimir Rentyuk, Modul-98 Ltd, Zaporozhye, Ukraine]
Relative-Humidity Transmitter uses
Single Logic IC - 11/08/01 EDN Design Idea The low-cost
percentage-relative-humidity radio transmitter in Figure 1 operates in a cold-storage warehouse for vegetable
storage at temperatures of 1 to 5°C. It is generally difficult to collect such data from a low-temperature
ar. . . [by Shyam Tiwari, Sensors Technology Ltd, Gwalior, India]
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