Tag is very generic and a bad choice. Please consider a more appropriate and directed tag.
0
votes
0answers
138 views
How to connect smartphone LCD to HDMI (how to make controller)
I need very small HDMI display.
I saw HDMIPi - 9 inch is too big for me, if that display was 5-7 inch - it would be perfect for me.
There are 7 inch HDMI displays for cameras, but they are big, ...
1
vote
2answers
222 views
Is it safe to use a voltage divider for Arduino and DC motor controller?
I have ordered a Dual H-Bridge 12A continuous (30A peak) Polulu motor driver shield for my upcoming (first time ever, a 1.2m long tank made of wood) robot project.
I was thinking about how to supply ...
1
vote
0answers
35 views
Create State machine and implement on CPLD [duplicate]
I have this conditions for traffic controller. I excuted this on table. Now I want to implement this to state machine. Then after I will use this state machine to create VHDL and implement it in CPLD. ...
5
votes
3answers
344 views
Why do digital controllers need A/D and D/A converters?
One of the questions in our final exam will be "Explain the need of A/D and D/A converters in digital controllers".
I could not find the reason anywhere why the Plant part of a block diagram requires ...
0
votes
3answers
131 views
Motor PWM Controllers Too Good to be True
I am working on a project which involves driving 2 high power 60amp stall 12v motors from an arduino. I had been browsing available drivers, and everything on the market seems to be quite expensive ...
0
votes
3answers
56 views
2 momentary switches, controlling 4 outputs in sequence using latching type relays
I am interested in building a solenoid controller using latching type relays(containing 2 coils and DPDT). The relays are controlled using two momentary switches.
The action I am looking to get is by ...
0
votes
3answers
93 views
Custom PC input peripheral
I would like to somehow plug an extra button to my computer that when pressed would execute some shell script.
Backstory: I'm a programmer and I very much wish I had a big red button to commence the ...
0
votes
0answers
34 views
How can I use remote controller with an RF module?
I'm using an RF module for transmitting and receving remote controller data like an AV sender. And I have to add preamble, start and stop bit, but I can't use the UART because all remote controllers ...
0
votes
0answers
84 views
Can I use full-size 64/72 bit DDR2/DDR3 memory module with CycloneV hardware controller of 24 + 24 bits?
I thinking of using Cyclone V FPGA and its hardware memory controller:
There is "Cyclone V FPGA Multiport Memory Controller" document from Altera:
...
0
votes
1answer
84 views
Need a transistor to drive 12v 400mA Solenoid
I need a transistor whose base will be driven by a controller (3mA max base current).
the Vce(sat) should be less than 0.5 or max 0.7. And collector current required by solenoid is 400mA. I am unable ...
0
votes
1answer
135 views
Xbox 360 Controller to Nintendo 64 Console
The goal of this project is to create a working adapter between a wired Xbox 360 controller and a Nintendo 64 game console. The signals from the Xbox 360 controller USB port data pins (Data+ and ...
3
votes
0answers
209 views
FPGA link to external memory
I am trying to use the cellular ram on the Nexys 4 FPGA development board. I am using Xilinx Vivado and would like a Microblaze soft core processor to be able to perform reads and writes. So far I ...
0
votes
3answers
137 views
Low Voltage DC controlling 120 AC, with Arduino
I'm looking for a type of device I can hook my arduino (micro-controller) to that will control a set of lights that require 120VAC. Basically I will be making a light organ, where the arduino will be ...
1
vote
1answer
68 views
Dual Motor PWM Controller
Background:
I am not a professional teacher, but I have been helping out some kids (including my own) with math and science. I thought it might be fun for the kids to decide on a project of their ...
0
votes
1answer
149 views
PWM motor controller to switch down voltage on a boat
I'm planning to use a bank of 4 x 12V batteries in series on my boat in order to provide 48V to power an electric DC motor. I also need 12V power for things like lights, fridge, etc. I thought of ...
-2
votes
2answers
99 views
External programing of an mcu without Hex
We need to change a controller code from the out side as they do with industrial MCU.
So that you have an MCU, with a program on it, and someone can program some "words" to it, that will determine how ...
2
votes
1answer
139 views
Do I have to explicitly connect all pins of the ethernet chip in the FPGA when designing a new controller?
Regarding the Ethernet peripheral of the Spartan 3E FPGA specifically the SMSC LAN83C185 Ethernet chip. The task is to create our own interface between the PLB and the ethernet chip. So far, I've been ...
4
votes
2answers
510 views
Salvaged touch pad from old laptop projects
I salvaged this touchpad from an old laptop and I would like some ideas for using it,
I thought about using it as a light dimmer for two sets of lights.
Does anyone know how it works? I'm sort of a ...
-3
votes
2answers
384 views
Diffrance between Brushed ESC and Brushed DC Motor Driver (Controller)
What is the diffrance between a Brushed ESC (electronic speed controller) and a Brushed DC Motor Driver (controller)? they both do the same job, yet at different prices and look diffrent.
Example:
...
3
votes
1answer
343 views
PIR Detector Controller IC
Honestly, I have a good deal of questions so this may not be for the faint of heart.
I will do my best to ask them in a logical order with specific language. I really appreciate the helpful ...
4
votes
4answers
654 views
Can I control a voltage output from a microcontroller?
I have to generate values between 0V and 0.8V for a circuit and take the value of the voltage output from the system and analyze the data. Can I generate voltage values automatically using a ...
1
vote
2answers
850 views
Running a MOSFET from a transistor for a fan controller
I have a PC fan controller that is capable of powering 10w per channel. I'd like to put 23w of fans on a single channel, so I am trying to find a way to use the electronics already on the fan ...
1
vote
0answers
272 views
Brushed DC motor with incremental encoder— How do I use it?
I have come across large brushed DC motor, a Dunkermotoren GR 53X30 with an incremental encoder attached. Here are the spec sheets for the motor and the encoder:
...
1
vote
2answers
173 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
votes
1answer
286 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 ...
2
votes
3answers
140 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 ...
0
votes
0answers
94 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 ...
-3
votes
1answer
358 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
238 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 ...
3
votes
1answer
584 views
PS3 Sixaxis controller won't charge over USB [closed]
I made a 5V charging setup and want to connect USB devices to it to charge them. Most devices work ok, but my Playstation 3 Sixaxis controllers won't charge. The voltage is ok, slightly over 5V. As ...
5
votes
5answers
2k 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
votes
2answers
551 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
114 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 ...
2
votes
2answers
2k 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 ...
2
votes
1answer
129 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
votes
2answers
244 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
120 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
289 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
248 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
442 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 ...
2
votes
1answer
712 views
Do PS3 controllers use SPP to send the state of the buttons?
I am making a little Arduino circuit, and I would like to use a PS3 controller to control my project (for now). I know there are things like MotionJoy for PC, but how does this software work? Would ...
0
votes
1answer
297 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 ...
-1
votes
3answers
471 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
1k 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
vote
2answers
273 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
243 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, ...
3
votes
1answer
288 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
vote
2answers
507 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
2k 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
vote
2answers
4k 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 ...
