The controller tag has no wiki summary.
18
votes
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 ...
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 ...
7
votes
4answers
469 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 ...
7
votes
1answer
261 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 ...
5
votes
5answers
583 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 ...
5
votes
1answer
189 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 ...
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.
4
votes
3answers
784 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 ...
4
votes
2answers
976 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
3answers
625 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 ...
3
votes
1answer
414 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?
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 ...
3
votes
2answers
890 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 ...
2
votes
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 ...
2
votes
1answer
173 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 ...