Control refers to systems that control other systems, whether that be industrial machinery, lighting or devices used in a home
23
votes
3answers
22k views
Switching DC with MOSFET: p-Channel or n-Channel; Low Side Load or High Side Load?
I think, it is time I understand working principle of MOSFET transistors...
Suppose that;
I want to switch voltage on a resistive load by a MOSFET transistor.
Any control signal between -500V ...
7
votes
5answers
3k views
Stability problem in unity-gain opAmp
As a part of a controlled power supply for hardware-in-loop testing for a student driven project, I had to develop a current buffer (voltage follower) which could source up to 1 A.
I had the (bad) ...
1
vote
1answer
1k views
220v AC Fan regulator
i need to regulate the speed of a noisy kitchen FAN from a microcontroller (arduino board), i have been looking around and checked a lot of websites and schematics, and i think the solution should ...
3
votes
2answers
4k views
AC fan speed control
I use this fan to cool my room, but sometimes it is too fast and I have to frequenctly turn it on and off to keep normal temperature. Maybe it is possible to reduce the speed by connecting a resistor ...
4
votes
3answers
4k views
Using the iPhone to control a remote controlled car via Arduino
So i started this project a while back where i made a remote controlled car that i could control with the directional buttons on my keyboard via an Arduino -> now the next step i want to do is to get ...
7
votes
3answers
9k views
Control differences between ac induction motor and brushless dc motor?
I have a fairly solid background in industrial AC motor control (soft starters, VFDs, etc.) but something that I'm certainly NOT well versed in is brushless DC motors... the type found in every hard ...
3
votes
3answers
2k views
Using a motor to open doors
I have made a wooden case to hold both my Xbox 360 and my PS3. It's as wide as both consoles laid down next to each other and as high as the console. it has 2 doors on the front, one for each console. ...
22
votes
5answers
4k 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 ...
2
votes
1answer
595 views
DALI : How commissioning process takes place in DALI system?
I have gone through various documents regarding the Commissioning in the DALI interface. But I finding it difficult to understand some of the points. So if anyone with DALI Commissioning can help me ...
-5
votes
1answer
700 views
Smallest Delay Possible in a RF Remote Control
I have a very basic knowledge on electronics but that's it. so I don't know this topic well. Altho, I'm able to assembly a circuit , check it and make it work.
I've been searching for info about RF ...
2
votes
2answers
229 views
How do i control a pressure?
I am looking for a component which can help me controlling the pressure in a tube.
I explain :
I have a compressor which blow some air in a tube. The compressor blow up to 8 bar and the tube is ...
2
votes
2answers
853 views
Dry, wet and free voltage contact?
I would like to ask about three kinds of electrical contacts: dry, wet and free voltage. ...
1
vote
2answers
2k views
What potentiometer should I choose?
I want to create a sound amplifier with the LM386 and I need a potentiometer. I don't have a clue what I'm doing (:P) but I've printed out the datasheet (for the LM386) and had a look at it.
So I ...
0
votes
2answers
141 views
3.7v > 3.3v voltage stepdown with logic-driven on/off control [paused]
(PAUSED): This topic is currently on hold as I source necessary hardware.
I need to connect a Wi-Fi/RS232 module to a low-powered monitoring device, and for maximum portability, I'd like to power the ...
0
votes
1answer
167 views
Time Warp - Controling an analog clock from another room
My goal is to be able to spin an analog clocks hands forwards and backwards through a controller box that I build and wire to an analog clock.
To accomplish this I imaging that I need a small hobby ...
