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2answers
73 views

Simulating accelerometer noise

I would like to create a software simulation of an accelerometer (MPU-6000). As part of that simulation, I need to model the noise on the accelerometer signal. According to the datasheet of the chip, ...
2
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0answers
386 views

What are free RS-232 terminal programs? [migrated]

I've read signals from an AVR in university, but I forgot what software I was using. I can't seem to find any on google. Maybe I am not looking right. What are some free UART software for AVRs? I ...
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0answers
28 views

How can I create a new component using Qucs?

I'm using Qucs for a simulation, but I don't understand how can I create a new component (E.g. a new LED from a data sheet). How can create it and use it easily in my project?
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1answer
52 views

Prototyping for Bluetooth accelerometer

I'm a software developer looking to prototype an application that requires input from a 3-axis accelerometer, ideally via Bluetooth LE. Current specs on the accelerometer are +/-50G sensing range ...
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3answers
102 views

what IDE and software can I use to programme a microcontroller [closed]

I am aware this sounds like a dumb question, but I'm really unsure what IDE / Software I could use to programme microcontrollers. I have a background in C++, but I never got to the part where we ...
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4answers
158 views

Designing stand-alone microcontroller based components [closed]

3 Years after finishing my study of computer science (B.Sc.) my search for a new hobby lead me back to the microcontrollers. There were 2 semester microcontroller programming with embedded assembler ...
1
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2answers
123 views

PIC Programmer driver issue

I'm programming a PIC16F77 with ProPic 2 which communicates via serial port. As I don't have this port in my PC, I used serial to USB adapter. I'm using ICProg in Windows 8. I've proggrammed it ...
0
votes
2answers
122 views

How to add security to your Product

I've been trying to build up certain Embedded systems and i wonder how people make them secure. Or else it would have been reproduced well. I know there is an extent to provide security if you are ...
0
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1answer
73 views

Showing real values on uart-pc softwares

If we use a controller and wanted to send data via uart to pc. I trust serial data will be displayed on the software and is there any way you can display real values on the software apart from ...
3
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1answer
142 views

How can I high pass (DSP) filter a low frequency signal without introducing lag?

I need to high pass filter a signal, and my design just isn't cutting it. The part that's making it tricky is that I can't tolerate lag. I am sampling at 20Hz, the signal I care about is 1/12 to ...
2
votes
1answer
169 views

What is DDR software leveling?

What is DDR software leveling ? How it is different from DDR2 and DDR3 ? Why it is required and important ? Is there a hardware leveling ? I have found some explanation here about DDR3 and a ...
0
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1answer
84 views

Embedded software app testing

The software app being developed runs on the embedded hardware and spits the debug output through a serial port during various functionality of the app. Following are the questions. Can I use the ...
3
votes
1answer
111 views

Transistor part number selection software

I know there are online/offline softwares for finding equivalents or known transistor datasheets but is there any software that works inversely? For example that I can ask the software for a ...
1
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1answer
141 views

How much do people charge for EE R&D work? [closed]

My software startup is considering a project for a client that has a significant hardware component: a custom device with GSM, GPS and CAN connectivity for use inside a vehicle. We'll design the board ...
3
votes
1answer
247 views

Can I transfer Ultiboard files to other PCB layout software packages via DXF export/import?

I have an extensive library of PCB layouts in Ultiboard format. If, hypothetically, I wanted to switch to another software package, this would pose a problem, as the Ultiboard layout format appears to ...
0
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0answers
186 views

SD Card for Two Devices at Once - Possible?

Is it possible for an SD card to be used by two devices at once? In this scenario there is one device that has an SD slot and it periodically writes files to the card in its slot. I need to find a ...
9
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3answers
489 views

Why does digital equipment have more latency than analogue?

Is the explanation that the digital equipment takes longer to propagate? For instance, a software synthesis is very slow compared to a hardware synthesis.
2
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3answers
656 views

Better workflow in Atmel Studio 6 for building and transferring program

After having modified my code in Atmel Studio 6, I write the program to my MCU in the following steps: Click Build or F7 Click Device Programming or Ctrl+Shift+P Click Apply (to choose ...
-1
votes
1answer
53 views

Is it possible to use Microsoft Software Radio (Sora) with Cellular signals?

I'm interested in learning about cellular data and protocols and came across Microsoft Software Radio (Sora). Although this board is originally intended for Wifi signals (or so it sees) Is it ...
0
votes
1answer
503 views

DIgSILENT Power Factory [closed]

What book would have instructions on DIgSILENT Power Factory Software? I want to learn but don't know how. Are there any other references for learning that anyone knows of?
-1
votes
1answer
98 views

looking for prototyping and simulation software [closed]

I'm looking for open source software for modelling electronic circuits. I have tried Arduino, Electric, Oregano, Fritzing, and QUCS so far. None of these seem to do what I want. I am looking for ...
4
votes
2answers
195 views

How do proceed with larger electronic projects?

Recently I have read two books about programming in general: First one being Code Complete and the other being The Pragmatic Programmer that describe how one should think when dealing with large ...
2
votes
0answers
36 views

Open source software for schematics [duplicate]

I am looking for an open source (or just free) software for creating electric schemes. It would be better if your program could do other schematics (for instance, installation schemes of physical ...
0
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2answers
131 views

Sending CAN protocol data(1Mbps) via serial port

I would like to build a tool for viewing CAN protocol data on my computer. The CAN protocol data is captured using a microcontroller (STM32F4 discovery board) and sent to a PC via a serial port. My ...
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2answers
134 views

Is there any program that I can use to find the transfer function of a filter?

I need to find the transfer function of Sallen-Key second order notch filter. Is there any program that can show the transfer function of s?
1
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2answers
1k views

How to use USBee AX logic analyzer under Linux?

I've got clone of USBee AX logic analyzer, to play with one and see if I need a device of such type at all. Unfortunately, I haven't found any Linux software that supports one. I have tried Sigrok, ...
1
vote
2answers
905 views

Can we run Quartus II on Ubuntu?

I can compile digital components and download them to the boards DE2 and DE2-115 I got. I do it from Windows 7 but I want to enable this on ubuntu while the files from Altera are for Red Hat Linux. ...
3
votes
3answers
490 views

Simulation for a transmission loop using PowerWorld

I am now learning how to use PowerWorld Simulator. However, I faced some problems when I tried to enter the data given in the paper. I want to simulate the following transmission loop: First things ...
3
votes
2answers
1k views

Arduino LED brightness switching using pushbutton

I'm trying to switch between 4 different brightness of an LED using an Arduino Uno. I've used analogWrite and not digitalWrite with PWM. The problem i'm facing is that the brightness does not switch ...
2
votes
2answers
278 views

Char array at an int in C18

In Jal, it's possible to do something like this: var word the_var = 0x1234 var byte the_array[2] at the_var; Now you can easily access the bytes of the word ...
0
votes
1answer
336 views

How to use the PIC16F628A's PORTA,4-7 as inputs?

I'm working on a countdown timer and I want to use the MSN of PortA for my switches. I'm using MPLAB. I can't use C to program the PIC because the collage taught us to program in decimal, and they ...
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votes
5answers
310 views

Any research to turn Schematics as a picture into a simulation? [closed]

Suppose I have a schematics such as the below. I want to fast simulate it: see how the current flow and put my mouse to different positions to see how things work. Since there are many different ways ...
1
vote
1answer
51 views

Are there any disadvantages to look out for when using Optiboot?

Optiboot appears to be superior to the official Arduino bootloader in just about every way. Despite this, is there anything I need to look out for when using this bootloader? Common pitfalls? ...
4
votes
2answers
540 views

How do you update the Arduino IDE?

I currently have Arduino 1.0.1 and I want to upgrade to the new version. However, do I just replace the old files? How do I know if I need to update the drivers for the boards? Does Arduino even ...
4
votes
1answer
73 views

Tell if interrupts are enabled

Is there a way of telling if sei()/interrupts() or cli()/...
1
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3answers
1k views

How to avoid SD Card and W1500 SPI mixup on the Ethernet Shield?

In an answer Kevin Mark points to a solution/reason for the usage of the Ethernet shield together with the SD Card. The documentation says that SD Card and the Ethernet chip both share the SPI bus and ...
6
votes
1answer
2k views

analogRead(0) or analogRead(A0)

The arduino reference states that you would use the following code to read the value from analog pin #5: int val1 = analogRead(5); However to read from digital ...
2
votes
2answers
292 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 ...
5
votes
2answers
268 views

How can I control things without using delay?

I have always hated that you couldn't do other things while you used the delay(); function. However, I want to blink a LED or do whatever while using serial, but ...
6
votes
2answers
465 views

Ethernet.begin() only works with SD Card removed - why?

When I run this code on my W5100 Ethernet Shield: byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; void setup() { Ethernet.begin(mac); } it only works ...
8
votes
2answers
2k views

What's the difference between INPUT and INPUT_PULLUP?

On newer Arduinos, one can set pinMode to one of three states: OUTPUT,INPUT, and ...
3
votes
1answer
230 views

Can I use a USB keyboard with the PS2Keyboard library?

It is my understanding that most newer USB keyboards will not work with the PS2Keyboard library because they do not use the PS/2 protocol. Some, but not all, do have the ability to use the PS/2 ...
5
votes
2answers
421 views

How do I interface an XBee wireless module with the Uno?

I want to use an XBee wireless module with my Arduino Uno. How should I go about doing this? Do I need a shield like this one?
8
votes
1answer
902 views

What is slew rate for I2C?

I'm configuring I2C on a PIC18 using the built-in functions of the C18 compiler as described in section 2.4 of the documentation: ...
1
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1answer
89 views

Get bytes from a short long in C18

I'm using the C18 compiler and need to get the three bytes of a short long from MSB to LSB. I'd say I could use this: ...
7
votes
2answers
133 views

Detecting overflow with C18

I'm implementing a calculator in a microcontroller which is controlled over the serial port. For example, I'd send 1234*5678= and it would reply with ...
3
votes
1answer
119 views

Integers >9999 in PIC C18

In this answer, I made a function to convert an integer to an ASCII string: ...
6
votes
5answers
1k views

Integer to ASCII in C18

I'm writing code for a PIC18F46K22 using the C18 compiler. I want to write the value of an integer \$n\$ in ASCII over the USART to my PC. For \$n<10\$, it's easy: ...
8
votes
1answer
137 views

Can I connect two different 1-Wire Devices to the same data pin on an Arduino?

I have used DS18B20 temperature sensors many times and understand that they can be daisy chained on the same data pin. Could two different sensors be connected in the same manner? For instance, could ...
0
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0answers
833 views

UART connection b/w Arduino Uno and UHF RFID reader

Working on integrating this RFID reader with an Arduino UNO using standard RS232. Using the Rx, Tx, Power (+12V) and GND wires from the Reader and creating a soft serial connection. Here is sample ...