The controller tag has no wiki summary.
0
votes
1answer
27 views
what is a transceiver reconfiguration controller on FPGA
I have come across this on an (Altera) FPGAs that make use of high speed protocols but don't know what it does.
-2
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1answer
66 views
Should all SATA HDDs spin up without SATA cable? [closed]
I've got a Western Digital WD3200AAJS HDD and am trying to spin it up (I don't really need it as an HDD, I need just its motor to work).
After connecting the power cord it didn't spin up, so I am in ...
-5
votes
0answers
27 views
Digital PID interfacing with plant which is in the model [closed]
Please tell me how to design PID in the online tuning application using microcontroller programming.
2
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3answers
77 views
Video Controller Design
I'm designing my own computer based on the Zilog Z80. It has 256KiB of static RAM with paging as well as a few megabytes of flash memory. Everything is going along pretty well until * BAM * I hit a ...
-1
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0answers
26 views
How do I get a voltage on a PCIe Parallel Port? [migrated]
I'm trying to use a PCIe Parallel port from C++. (http://www.amazon.com/StarTech-com-Express-Profile-Parallel-PEX1PLP/dp/B004G7O2AC)
I can't seem to change the status of any of the registeres and my ...
0
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0answers
33 views
Replacement for ISP1760
We have been using ISP1760 in our designs with Altium Nanoboard. The design uses a shared menory between the SRAM, USB interface, Flash component. Now, the USB controller for the Nanoboard ISP1760 is ...
-2
votes
1answer
162 views
What should I use to create own xbox controller? [closed]
For a college project I am going to create my own xbox controller. I wanted to know which arduino should I purchase and which software can be used to code the buttons.
Otherwise what could I use to ...
1
vote
1answer
124 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 ...
5
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5answers
635 views
Simplest circuit that flashes and fades color LEDs synchronized to music?
This is about designing a circuit that can control multiple LEDs synchronized to music or sound, as simply as possible. I am looking for some conceptual ideas to start out with, not a complete circuit ...
0
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2answers
206 views
HID descriptor to use for a Playstation 2 controller
I'm currently making a Playstaion 2 controller to USB converter using an Arduino Uno, and it's going along very well, but I'm stuck on a specific problem.
I'm trying to support the pressure sensitive ...
1
vote
1answer
89 views
How to Design a State Feedback Controller using an algorithm
I'm studying for an exam and am having a great amount of difficulty wrapping my head around this as I have minimal electrical engineering background, and my notes are confusing. I have read a few ...
1
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2answers
654 views
Transistor / mosfet for PWM dimming of 30W RGB LED
I am building a led mood light with a high power RGB LED (30W) using 3 constant power supplies for each color.
These are the items I had in mind (but open to suggestions):
30W Integrated RGB LED ...
1
vote
1answer
93 views
I want to find \$\frac{\hat{\theta}}{\hat{T}}\$
I have the next block diagram, and I want to find the transfer function \$\frac{\hat{\theta}}{\hat{T}}\$. I am not sure how to do this, I've got the rules of connection in a series or parallel, but I ...
-2
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2answers
157 views
Radio Control Electronic Schematic
My friend, who is interested in jet engines and welding is getting is working on a jet car, or something along that lines. I am just working on the electronics because I like the circuit building and ...
0
votes
1answer
115 views
Program which turns power on/offf
I am a software developer and just started my journey in electronics side. I had this particular idea which I want to do for my project.
Problem statement: In my college every room has fans and ...
2
votes
1answer
177 views
IC for converting single phase to three phase
I want to design a device for use and control three phase ac motor with single AC power.
I need to able converting single phase to three phase. Also an three phase ac motor controller should be ...
-2
votes
1answer
204 views
Rover 5 Robot Platform Motor Controller [closed]
I am about to purchase a Rover 5 Robot Platform from Spark Fun and I would like to know what type of motor controller I should get, and is there a controlling device instead such as a remote control? ...
7
votes
1answer
263 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
202 views
spotify controlled by arduino
I want to build a spotify controller [next song button for the moment] with Arduino
to build something like this song changer physical song changer
What do I need to control my spotify? using a ...
0
votes
0answers
78 views
Equivalant transistor (FET) for 04N03LA [closed]
I have a circuit that uses 04N03LA FET, which can't find in store . Is there any website which could help me find an equivalent transistor
0
votes
3answers
251 views
Advanced DC fan controller [closed]
I am wondering if I could get some advice for my final year project. Last year, for my 'mini project' I made a DC fan controller that activated the fan at a specified temperature, to cool it back down ...
3
votes
3answers
643 views
Motor driver board - wingxine - need help with wiring
Recently I bought this motor driver but I didn't get wiring diagram for it (it's last time I bought something like this). I would like someone to provide some wiring schematics for this motor driver ...
1
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2answers
186 views
What happened when P controller's gain equal zero?
For example, I use Routh-Hurwitz Cirterion to examine the following system with P controller gain K:
\$\frac{{K\left( {2 - s} \right)}}{{{s^3} + 3{s^2} + 5s + 3}}\$
I closed loop it with H=1 and ...
0
votes
1answer
173 views
Host (baseband) controller in mobile phone
Hi mobile world I met many times the term "host controller" or "baseband controller" used interchangeably in the context of being the heart of the mobile. What exaclty is that, som SoC with CPU, GPU, ...
2
votes
1answer
152 views
Schneider EGX100 Gateway with AB PLC 5 series
I was investigating hooking up Modbus devices to an AllenBradley PLC 5/40E using a Schneider Electric EGX100 Ethernet gateway.
I can access the web server on the gateway device and monitor the slave ...
1
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2answers
281 views
I2C - RS232 controller
anyone have reccomendations for an IC that can be used to access a device with an RS-232 interface from an I2C bus?
Id rather have something that doesnt need programming as I already have a uC master ...
1
vote
3answers
1k views
Need help driving N FET gate from LM393 comparator output
I am working on a charge controller circuit idea I had. The circuit
'works' meaning it achieved desired output voltage but the fet doesn't
seem to be turning all the way on so lots of heat is ...
1
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2answers
1k views
What determines the speed of a brushless DC motor
When driving a brushless DC motor, which parameters control the speed. Is it the current in the windings, the voltage, or both? What determines the maximum speed? If you drive the windings with ...
2
votes
0answers
171 views
What technique is applied to a traffic light system to make sure it is still safe even when errors occur? [closed]
From time to time traffic lights stop operating properly - and so instead of directing the traffic they start flashing yellow and someone from the traffic maintenance must show up to fix them. Does ...
-6
votes
4answers
1k views
stepper motor controller
I wish to know how to build a simple stepper motor controller which can run a bipolar stepper motor in forward and reverse direction in desired speed?
My project requires only 5 RPM so high speed is ...
1
vote
1answer
90 views
What motor driver should I use based on amps?
I am building a robot that sports 2 motors ripped from an old RC car. After many attempts to find the data sheets, nothing of use turned up. So, I ran some test and found this out about the motors.
...
3
votes
1answer
432 views
4017 counter: Why do some LEDs have multiple connections in this traffic light circuit?
Schematic (from here):
Why are four legs connected to the green LED and two to the amber LED in the 4017 traffic light circuit? Shouldn't it be able to do with only one leg per LED?
1
vote
2answers
472 views
How and when can solar charge controllers be stacked together?
I run a small busniness selling solar charge controllers.
Often I have a problem with not having controllers rated high enough amp-wise.
I know that charge controllers can be stacked.
But can all be ...
4
votes
3answers
791 views
Isolating motor control signals from microcontroller from high voltage/current lines
We need to design an integrated DC motor controller/driver, which will be under microprocessor control. Due to space requirements, either the digital and analog circuitry will be on a single PCB ...
5
votes
1answer
193 views
Drive 4 DC motors off a dual drive motor controller
I'd like to build a 4-wheel skid steer robot. I have selected this motor and this motor controller.
The motor controller can handle a 10A draw and has the ability to operate over serial TTL and give ...
7
votes
4answers
477 views
Scaling PID (Proportional Integral Derivative) Output
I have implemented a PID function using the formula,
correction = Kp * error + Kd * (error - prevError) + kI * (sum of errors)
What should I do to keep my output ...
18
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5answers
2k views
How to learn PID Control?
I want to learn PID (Proportional–Integral–Derivative) control mainly for temperature.
I would like to learn preferably through an easy project to do.
Could you please recommend something which ...
4
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2answers
995 views
LED Driver for 300mA LEDs
I'm trying to put together a project with some bright LEDs but I'm not sure how to control them. Ideally I'd like to drive about 64 of these LEDs that have a forward current of 300mA and voltage drop ...
3
votes
2answers
900 views
What is used to control AC motor speed?
This is a AC 220v 60W 0.2A fan I recently bought to replace my old bathroom vent that gave up some time ago. The problem is that the new one doesn't come with a built in speed controller like the old ...
3
votes
1answer
351 views
When are MIPS control signals generated?
Are the control signals for a given instruction generated within a single cycle
for the pipelined, the multicycle as well as the single-cycle implementations of the MIPS32 datapath?
I think they ...
11
votes
8answers
8k views
Capacitive Touchscreen for DIY usage?
Anyone know of a good source for capacitive touchscreens in low quantity at a reasonable price? Just something to play around with in projects, I'm interested in either small (eg for portable ...
4
votes
4answers
1k views
Use an old Nintendo NES Controller as an input device
Does anyone have a pin out diagram for the Nintendo NES Controller? I'd like to connect the NES controller to an Arduino.
