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0answers
23 views

Designing a lead compensator to stabilize a plant with 2 LHP, 1 RHP, no zeros

I am really puzzled on how to accomplish this problem. I am tasked to design a lead compensator C(s) to stabilize this plant to be used in a closed loop with unity feedback process. P(s) = ...
1
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1answer
54 views

What is the difference between disturbance and noise for dynamic systems?

In most references from dynamic system theory, the following linear continuous dynamic system is considered. $$\frac{\text{d}x(t)}{\text{d}t}=Ax(t)+Bu(t)+Dd_{1}(t)\quad (1)$$ $$y(t)=Cx(t)+Ed_{2}(t) ...
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0answers
58 views

How can I auto tune raspberry pi with a PID controller, so that I don't need to connect it to my PC everytime I have to run my controller

I am building a level controller to check the water level in my home using raspberry pi. I have a control system designed for it. But I found that to operate raspberry pi we need a wireless sensor ...
0
votes
1answer
71 views

Choosing a high-power LED Driver IC [closed]

I need an LED driver to power one (or more) high-power LED(s) for a torch. Design requirements: Efficiency is paramount, since the power source is either a battery or a supercapacitor. Must be able ...
0
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0answers
36 views

How to implement a multiple controller system?

I want to make a system that switches between multiple controllers depending on a parameter 'x' in the system. Eg. If there is no noise use a pid controller. If there is noise use a resonant ...
0
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0answers
27 views

Custom IR LED controller for two independent strips

Is there a way to modify a controller with IR remote to control two separate led strips independently. Basically you have two strips, one controller, one remote and you can change the color|turn ...
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vote
2answers
67 views

Motor controller diagram

I have been reading about motor controllers, and I found this article online (Introduction to Motor Drives and Encoders), but I am having a hard time understanding the diagram (figure below). Can ...
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0answers
26 views

PLC unit power issues

I am creating my own PLC, just for practice with PLCs (as I am an electrical apprentice). I have bought a power supply which changes 240V AC to 24V DC. When it is connected to my PLC unit, and I read ...
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votes
1answer
63 views

LEDs and buttons - ready made [closed]

We want our first semester students to learn programming and see the results of their exercises on a LED matrix. Unfortunately, we can not start soldering with the guys in the first week, so we are ...
1
vote
1answer
67 views

How to calculate the reset time?

I have a little difficulty on my project. Can I calculate Reset Time (Ti) if I just had the value of P gain, I gain, D gain, Process Variable, and Manipulated Variable? Is there any reference about ...
0
votes
3answers
70 views

Motor controller - transistor taking up 3/4th of the voltage

I am trying to make a motor controller for a DC brushed motor. The design is fairly simple, see below - motor represented by inductor The problem I am having is that if we imagine A to be HIGH and ...
0
votes
2answers
82 views

Solar panel system with as minimal reliance on the grid

I am not sure if this is the best place to ask, but I am trying to make a solar panel system which will charge batteries with excess energy and will be connected to the mains (i am going to try the ...
1
vote
2answers
119 views

H-bridge/buck converter with negative and positive voltage range

as already questioned here, i am still working on peltier controllers. For that I am using a stepper motor driver (h-bridge) with a low-pass LC filter and the peltier element behind, as Olin Lathrop ...
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0answers
597 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, ...
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vote
2answers
405 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 ...
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0answers
38 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
376 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
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3answers
171 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
79 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
117 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
37 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
145 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
131 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
2answers
286 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
309 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
189 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
77 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
191 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 ...
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votes
2answers
103 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
153 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
677 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
657 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
423 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
1k 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
1k 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
323 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
254 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.
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votes
1answer
361 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
160 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
106 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
406 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
261 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
776 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
3k 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
639 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
125 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
136 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 ...
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votes
2answers
254 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
123 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 ...