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-4
votes
0answers
53 views

Creating 3d map of the environment like in this video [on hold]

I want to create a 3d mapping device(independent of a robot) like the one in this video. http://www.youtube.com/watch?v=IMSozUpFFkU My question : what skills are required to create a mapping ...
1
vote
0answers
60 views

How EWIS works?

Hi all does anybody know the working principle of EWIS tools and troubleshooting software. What is it's troubleshooting algorithm? What are the basic skills that I need to understand how it works? ...
1
vote
3answers
71 views

Detection of weak periodical sound signal having negative SNR

I'm trying to understand whether it is possible to detect human's heartbeat from a distance. I'm not a specialist, but it seems to me that the following issues must be addressed: Very sensitive ...
3
votes
0answers
41 views

Implementation of AES algorithm using Systolic architecture

I need to generate a VLSI Systolic array to implement the AES encryption algorithm with key length of 128 bits. Following are the possible ways : Systolic for Key expansion Systolic in MixColumn ...
-1
votes
4answers
142 views

If-else decision structure using op amps or any other non-programmable electronic device

The title is pretty clear, I would like to know if there is any circuit or an IC capable of dealing with signals to perform algorithmic sort of decisions, I mean, as you can solve differential ...
2
votes
2answers
92 views

Simulate a bouncing ball on a LED cube

I just finished working on my 4x4x4 LED cube. I am trying to write an animation for a bouncing ball in the cube. Basically, a ball either 1 LED big, or 2x2 LEDs big should be moving around within the ...
1
vote
3answers
124 views

Selectable Voltage Divider Optimal Switching Point

I've built a circuit to measure an unknown resistance (over a large range) which is basically the following: simulate this circuit – Schematic created using CircuitLab Range_Select_1 and ...
-3
votes
1answer
80 views

How does remote switches learning system work? [closed]

I've been searching like crazy for none success so now im asking you guys. You know these electric control switches that you can turn on and off with a radio wave remote control? Usually the remote ...
5
votes
1answer
282 views

Wear leveling on a microcontroller's EEPROM

For example: The datasheet for ATtiny2313 (as do most Atmel AVR datasheets) states: 128 Bytes In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles Imagine a program only ...
1
vote
1answer
136 views

Overview of typicals RAID/wear leveling algorithms used in SSD controllers

I am trying to understand SSD controller design. I am particularly interested in the physical distribution of data to several NAND chips/dies. Can somebody point me towards an "idiot's guide to SSD ...
4
votes
1answer
283 views

Implementing a continuous time transfer function in PC code

I have a transfer function like this: \$ H(s) = \frac{1}{Ts + 1} \$ I converted it into a difference equation to solve it iteratively: \$ H(s) = \frac{Y(s)}{X(s)} = \frac{1}{Ts + 1} \\ TsY(s) + ...
2
votes
4answers
176 views

Data compression for large amount of binary data

In an embedded application of mine, the device generates a large amount of instrumentation data that is stored every few minutes in an NVM, such as a set of EEPROMs or a Data Flash. This data is ...
0
votes
2answers
140 views

Splitting a bit array in Verilog

i am designing a basic AES algorithm on verilog, and i need to split a 1828 bits array into 16 parts each one of 8 bits, for example (basic no 128 length example), if i receive in my 8 to 2 splitter ...
1
vote
2answers
272 views

Method to determine least-error prescaler and top values for timer1 of Arduino?

If this question should be in StackExchange instead of here I can delete here and post there. Using an Arduino Duemilanove (Atmega328) I am trying to generate a square wave (50% duty cycle) of ...
3
votes
3answers
589 views

Fastest moving averaging techniques with minimum footprint

I have tried few running averaging techs for smoothing the change in ADC data in AtMega48 for controlling lights(PWM) when rotating a pot(ADC). The filters (pseudo codes): Moving average: ...
7
votes
1answer
285 views

Conversion of PID controller components with state feedback into single transfer function and discrete state-space form

I've been wrestling with this problem for about a week now, as a part of a year-long project. We're designing a controller for a specific reactor based on a model. After looking at this for a while, I ...
0
votes
1answer
603 views

How is a two-pass assembler designed? [closed]

What is the algorithm for the first pass and the second pass of an assembler? I have been looking for a description or tutorial but haven't found one. If there are tutorials that explain these ...
3
votes
2answers
540 views

hardware implementation of division algorithm

I have tried hard but I don't understand how this algorithm is working.Please explain the flow chart. \$DVF\$ is the divide overflow flip flop. \$A_s\$ is the sign bit of \$A\$ \$B_s\$ is the ...