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I need to control the temp. using PID controller @ an accuracy of the +-0.5 degree Celsius. What will be the procedure step by step, to do the task. Please note that Range is 35 to 40 degree Celsius & ACCURACY is of prime importance. Please reply fast. Waiting for your positive & valuable response. Thanks &Regards-; Sanga

Is it possible to make a 360 controller and create a vision controlled (right) c-stick that I can use to aim at something simply by looking at it on the screen? Is this similar to what paralytics use to communicate? Is there any way that I could use that technolgy to OWN my cousin at Halo?

Anyone here have ideas on creating a computer-automated cable box remote control, so that I could use my computer to schedule when to turn the cable box on/off as well as have the computer make the remote select the appropriate channel?

So I decided to spend some time to make a "gimbal" in a very loose sense. Basically I was experimenting using a square wave oscillator to generate the correct PWM to have a servo rotate between 0 and 180 degrees when a tilt sensor is tripped. After some research multiple sites said having a 1ms pulse every 20ms would have it move to the 0 degree position. Great so I will make a oscillator pulses ~1ms on one side and 19ms on the other. However this does not seem to be working. I am curious if it is a fault in my math or if the tolerance on the parts I am using are just too wide to be any good. Here is a diagram of my set-up with the values a came up with. One spot that may be weak is that I just notice someone somewhere mentioned using 50Hz for the timing I just used that number when I calc my figures. Any feedback?  Also a side note is that I have been able to move the servo in one direction only and by accident ( in fact it's what inspired this project) when C1 & C2 were 2.2nF and the R1 & R2 were 10k potentiometers that I turned until something happened. Now that I am trying on purpose no results. 

I'm new to this sorry. I want to make a wireless contolled camera or some thing that use either the ps1 or n64 controllers. Like if you press X it will take the photo. I want to have a display near or on the controller so it can be viewed with out the camera. As well as a usb cable so it can plug directly into the pc. I know it sounds like a lot too but I have most of the parts.

I need to activate a garage door opener  with temp control. Opener uses momentary switches   There is a solarium on the out side of my shop garage door, When the temp between the door and the solarium reaches +/- 90 degrees  the door would open and +/-60 degrees the door would shut. Because the opener needs momentary contacts a regular thermostat  will not work. Any ideas would be greatly appreciated..

I'm not sure if I was searching for the right key words, but I was planning on building a desk with all of my computer components built into it, save the monitor keyboard and mouse, and I wanted to make like a little controller for iTunes that controlls random, repeat, next song, previous song, pause, and play. Like, would it be possible to take apart a spare remote control and use the circuitry and buttons from that to do it? Is it even possible? Also, this will be on a Windows 7 PC

I have the cm3024z charge controller. i have 240 watts going in, controller going to batteries, no conection on the load,   have 1500 watt converter hooked to batteries. set the controller as such,,, HvD-14v, LvR-12.5 v'  LvD-10.8 v . my voltage comming in to the controller is good, when i get to the hvd it kicks out at 14v as it should, but my lvr doesnt want to kick back in. i have let the batteties drain below the lvr but will not kick back in ..  is there anybody that can help with this, i have retured the first one and this is my second one with same problem. i have left the system hooked up as acording to manual,but after it kicks out it just wont kick bavk in unless i disconnect the panels and reconnect them.   all help would be appreciate, thanks

Dear Sir, Can you help me in developing a 24/36 mosfet controller for tricycle? Regards P​

You can make a washing machine motor with the module and taco run with a potentiometer switch to give you speed control over the motor I have the planes for a hot point motor but not the motor im using !! does anyone have the no how as to with leads to connect to contact mrkeithg.rumsey@tesco.net

Hello, peoples! I want to install a second xbox 360 controller onto my PC, so that my brother and I can play games together without me having to use the keyboard and mouse and having much rage quit happen. But, the lovely people at Microsoft say that it isn't possible to install more than one controller on a PC, but I know that's bull because I've seen people do it before.  I already have one installed; I have the driver and everything. But my computer doesn't even look at the second controller like it exists.  What is wrong, how do I fix it and how can I make gaming easier? Thank you for your time!!

I was just wondering if anyone knows any methods of controlling the energy discharge from a capacitor..

I don't know why, but the picture for the robot contest looks like instructables robot mind controlling the rabbit or what ever the creature it is. It makes me think it is a mind control contest when I first saw that picture.

I have a 24 volt motor from an old mobility scooter and I want to control it with my arduino but I have no idea what motor controller to use. I presume that I will need to use PWM to control it but what hardware to use I have no idea. Any help I would really appreciate. Thanks

Hello people! I was wondering if anyone knows how to hook up a computer to a remote control from a bluray, so I can do stuff with the commands from the remote.

I need to remote controll two 12 volt motors each one needs to operate independent of the other and both motors must go forward and back if you have any tips or diagrams on how to remote controll this please leave a comment.

I have pic18F2553 with interface  and it is programmed on c++ for 1/0 how to make it controlling house lights and windows?? im physician but i know alot of things about houses building

Hey I am wondering how to make something to shut off a heat source at a certain temperature. The heat source is a normal appliance that is plugged into the wall.

I have radio control radio and receivers from different cars with different AM. They are all 49 mhz, can I change AM by replacing old resisters at  the right spot and put less resistive ones to make it work? Any way?

I have a code that can increase the duty cycle of the pmw output to control the brightness of my bulb and i have lm35 conneted next to the bulb to sense the temperature and now my problem is i have to add two more additional switches for my gain and make the other two the setpoint of my temp,and i de an attachment of my code

I would like to know how to control the speed of a small DC motor via serial or USB. I have general electrical and programming knowledge, but I have no idea how I would do this. I have found http://www.lvr.com/usb.htm..Any help?

Im building a cnc machine and want to know whats the best free milling software i dont have a parralel port only usb

Hiyas, I was wondering if you could point me in the right direction. I was wanting to build or buy something I could control Amp input. The system would be 12 -14 v dc and I want to be able to limit the input to say... 25 - 30 amps. So if a system would naturally draw more amps I want to be able to control the system be limiting the amp input...if that is making any sense. Got any thoughts ??? tks Huchleberry

Hiyas, I was wondering if you could point me in the right direction. I was wanting to build or buy something I could control Amp input. The system would be 12 -14 v dc and I want to be able to limit the input to say... 25 - 30 amps. So if a system would naturally draw more amps I want to be able to control the system be limiting the amp input...if that is making any sense. Got any thoughts ??? tks Huchleberry

Hey guys,has any body tried the ambilight controller like the one here ==> http://www.hacknmod.com/displayMOD.php?hack=990the link for the controller points to some weirdly languaged (hope thats a word "languaged") site but with no content. i am preparing my comp for fragapalooza (canada's largest lan party) so if any one has done/looked up this mod, please point to a schematic for the led controller...the controller is connected to a pc with a serial cable and has many outputs to connect chains of leds plus i think there is another power supply to power the leds (as the chains of leds are long)...any help is appreciated...note: this is a multipost to produce results efficiently...i hope...***update: nothing after 3 days at bit-tech or fragapalooza.com...:(

I'd attached two pictures here. can anyone help me with this? at least let me know what it is called so i can further search how to utilize it with my device. is it possible to use this with arduino & how i connect them? if possible i want to use it as my remote control for my device. it is wireless. however i don't want to use it as wireless. help me please because using push button does not work. thanks.

Question for you all. I have a solar powered spot light I really like, when it's charged up. It has a 6vdc 4ah battery in it and I wish to re-charge it from my 12vdc system. Source power will be my 12vdc 160 ah battery and I'm thinking of using my extra 12vdc charge controller with a 3.5 ohm / 1 watt (or better) resistor attached to reduce the power to 6vdc. I believe that will work, but I don't know if the controller will know when the battery has reached capacity? The other thought is to just by-pass the 6vdc battery and run the light from the 12vdc system (using the resistor to reduce the power). Any thoughts?

I'm planning on making an Xbox controller with a dualshock 3 controller inside.  I'll be making one for me, but I'm looking to earn some money so I'm curious if anybody would be interested in buying a second one for themselves.  Keep in mind this won't be cheap, it will cost up to $100 in parts alone.  While I don't have a lot of experience, I have a lot of skill (see my tvbgone sonic screwdriver for an example). Lastly, keep in mind this is not a sale yet, just gauging interest so I know whether or to make a second one.  Leave comments here on requests for aesthetic features, and PM me if you have a price you'd be willing to pay.  Please only reply if you're serious.  Expect to see a sale post sometime in July, I'll be going by best offer.

Someone can advice me what switch is suitable to use in my remote control. I had tried push button however it does not compatible with the coding (I'm using chipkit UNO32). My intention is to make the user select AUTO mode or MANUAL Mode. After selecting, the user will be asked to select speed and duration. So this requires a lot of loop-inside-a-loop, if-inside-if etc. When I'm using push button, the microcontroller cannot read the command when the second button is push. I heard, if using push button I need electronic relay. 

Hi dont know is anybody can help replacing the batteris in my drill pack and found that it has what looks like a thermistior??? to control chaging temp.  unfortunatly when dismantling I shorted it out to + and i believe blew it. i need to renew it as it lookslike it feeds relay in charger to switch  when fully charged (its a 1 hour fast charge)  how ever dont know what it is . it appear tobe connected in series with a resistor ???(again not sure can up load a photo if it helps) the thermistor is 2 wire and marked M20 tp118/c 02c if that helps, the resistor 05u-045G peter

Hi I’m making an accelerometer (3-axis) that I want to be able to work in some programs and games. I haven’t built any tech´s before. Hehe so plz replay with easy words. There are some tutorials out there which are based on an old game controller and stuff. But I want to do my on an Arduino board with a USB connection or wireless connection. Here is a tricky part, I want it to fit a cube chassi that is around 7-10 centimeters, I haven’t done it yet so that’s why I put it to 7-10 cm because I have still time to make it bigger or smaller. I don’t know much about the wireless connection and battery to make these things. I know I’m sounding like someone that doesn’t have a clue about these things and it’s true, I want to learn it and make this controller. If someone can tell me more about this sort of project or tips me to a tutorial or something it would be excellent.

I have been thinking for some years now that I would like to have finer control over my central heating. The problem Now we are older we feel the cold more so in winter the heating is on all the time. This means that we have to keep altering the thermostat on each radiator at different times of the day or just leave them and so waste energy. One method means wasting energy but the other means rooms will be colder than we want initially.   The system and what i have We have a combination boiler which has a digital timer and also on the panel are temperature controls for hot water and radiator temperature. Each radiator has a thermostatic valve so each room can have it's temperature set independently. I have a computer which runs 24/7 and also a bit whacker which I can control via python code and electronics has been a hobby for over 50 years My idea I would like to have some system which would allow me to adjust each room temperature via computer control.   Possible solutions Solution 1 Fit a stepper motor to each thermostatic valve to adjust it at different times of the day/night. This would allow precise control but would be quite expensive to set up. Solution 2 Fit a small structure round each valve with a filament bulb or resistance wire in the bottom so that when power is applied to it then the temperature around the valve will rise and so the valve will close or, at least partially close. I think this would be much cheaper to implement but would have the small on-going cost of using power to the bulbs whenever the room temperature needs to be cooler that it would normally be. My initial plan Build a small structure around one of the valves with a low voltage bulb in it. It would have vents at top and bottom and so air would circulate. I have a portable digital thermometer so i could gather information and try different bulbs to see how much power would be needed and therefore what the on-going cost would be. Also try various shapes of structure to see what the effect would be.   So guys what do you think?

First, let me just say how much I love Instuctables.com......I really can't remember....not one single time this year, not checking in here for even ONE SINGLE DAY!! It is my go-to place!! That said, I've kinda been thinking about the amounts of digital "clutter" that exist here. Now, I myself have only put up two instructables......so I wouldn't claim to be a MAJOR contributor, by any definition...........but what I mean is....... there are some instrutables here that are just junk!  Some kid zipped in here 4 years ago, put up something he (so-called) "made" with a piece of notebook paper and and a stick......no photos or the photos are garbage, and he hasn't been back since. A few bad ratings, and a couple of bad comments....and that's it.  Has anyone ever discussed any sort of "juried" process after awhile?  I dunno.....maybe it's a bad idea, and god knows my work here isn't Smithsonian quality material, but I did put a'lot of thought into it, and I love the community here! I just think if something has less than two stars after 3 years and all the comments are wretched.......it should maybe be removed. Such an action can be announced, maybe, or voting or something. .....just food for thought. C

I am looking for some parts to get my home built CNC up and running. I just lost my job so I am trying to find the controller for the CNC as cheap as posiable. I have items I would trade but I will pay cash also. Let me know what you have or what you need and I will see what I can come up with. Thanks

I'm doing a project where I am rewiring a remote control car remote to work using a computer interface. I've found a few tutorials on how to do it, but they all deal with a "button" controller, where the motion is controlled by pressing buttons rather than using a "pistol grip" controller, or one with a wheel to control turning and a trigger to control acceleration and deceleration. Has anyone tried this, or does any one know if I would be able to use the tutorial linked below with this controller. I highly doubt it would work, but I would like a better opinion.http://jbprojects.net/projects/rc/

Off the bat- I have a hauppage tuner that has the ir blaster but I've never used it and I don't care about running my tuner card .  I'm wondering if there is software that could learn codes and use it to control my receiver when away from home. Along the same line. I'm looking for a way to phisically press buttons (RF) I'm also open to a ir programible box I could just set somwhere . ps I'm unemployed so money is an issue. 

Hi i was woundering if there is a way to detach the end of a ps2 wire and conect on a usb plug would this be posiable. Any other idea would be much appreciated.Thank you

Does anyone know what the controller is for most of the electric standing desks? I have a Jarvis and it seems that it uses the same controller as the GeekDesk. The box appears to have an RJ11 serial connection that is not used in the desk operation, I am wondering if that is whats used to program the controller board, and if so perhaps I can enable direct serial control for setting desk heights from my pc. Has anyone tinkered with this by chance?

I want to that , how can i remotely control my room LIGHTS , FANS etc.. or is there any product like this ?

I am planning on making a RC humanoid robot (like the ones in the kung fu competition at robogames), and I am probably going to use the SCC - 32 Servo Controller.  I am pretty sure that you can use a ps2 remote to control it, but on the robogames website it says that they want you to use a PCM controller.  How would I connect a PCM controller to the board?  Also is it even possible?  If it is not then would the controller that the robonova uses work with a PCM controller? Thanks in Advance!

Are there some interface basics that would allow someone to use the drives from an old printer as budget CNC or robotic actuators? They are certainly accurate, and there are plenty of them available.

I want to control arduino with a gamecube controller to drive robots and for other projects. I was just wondering if its possible and if anyone has a code they would be willing to share. I would love to do it on my own but I  new to programming and am not sure what i am doing.

I got the two servos I ordered in the mail today, and I decided to control them with the NES controller I bought a few days ago. And this is my idea:An NES controller airsoft turret. I already have everything set, I just need to make hardware to move an airsoft gun with the servos, anyone know how?Here's the video of my accomplishment so far (sorry if I mumbled...):http://www.youtube.com/watch?v=BXi-eKqdhTMAnd here's what I made the buttons do:Direction buttons move servosA ShootsB Toggles a laser pointer on and offStart brings the servos to center positionSelect toggles Automatic and SemiAutomatic fire

Hi,  im a student, i just  wanna ask if i can use the charge controller CM3024Z to a Magneto (alternator) and coupled with a solar panel 50watts? does the solar charge controller are for solar panel only? thanks godbless

Hi friends.................... i am working with 8051micro controller programming,I have created HEX file using  keil C compiler and proload to burn the HEX file in to the micro controller .iam using serial communication BUT ...........MY computer is not detecting the programmer nor micro controller.........why?...............is there something wrong  with my PC ?

I am building a homemade cnc machine that will have an X Y1 Y2 Z and eventually a lathe. And I was wondering if I could use an 4-axis Breakout board, and just run the Y-axis to two different Divers to power the Y-axis stepper motors. If not what would be a good breakout board that is able to connect e-stop, Homing switches, router on off, and touch plate. 

Howdy, What do KNEX builders use to control robotic projects.I am asking about the physical controller...do most fans use one of the hobbyist controllers (BASIC STAMP, Cricket, Arduino, etc) or do fans hack the RCX/NXT? Does anyone use the old KNEX controller "Leornardo" ? Thanks, Richard

I have a Horizon T101-04 treadmill that has a control problem. The motor is definitely good. I suspect that the motor control board is good, and the control panel board is bad. The control will not reset or go into diagnostic mode. I want to replace either the control panel board or the entire control system. The motor is 90V DC. For amperage, the motor label says "19A S6 25%" which has no meaning that I understand, other than perhaps that the maximum amperage is 19. The label says "APMS" rather than "AMPS", and I wonder if the "S6" is supposed to be "SC" for "stall current." All of the characters on the label are very legible. To replace the entire set of controls, I can use an industrial DC motor control, but how much horsepower does the control actually need to be able to provide? I don't think that the one on the treadmill actually provides 19A, and is probably close to 1 HP or so in its capability.  To replace the control panel with something else and keep the existing motor control, what do I need? Do I need some type of complex driver circuit? Does it need feed back from tach sensor to do a good job of keeping the speed steady?  If it will work well, I want a simple control set up like a KB Electronics KBMD-240D to which I will add a safety cut-off switch with a lanyard.

Can you controll a stepper motor with push switches no circuit? i need a 12v motor with pllanty of speed  torque for a diy cnc but i want to controll it manualy with a joystick made with push switched can i just apply power to a stepper motor like a hobby 12v dc motor and run it without a circuit?

Has anyone been able to make a wireless n64 controller? I've been searching on the internet and the closest i think anyone has come is this. unfortunately, the wireless controller wasn't finished and if it was, it wasn't posted. anyway, if anyone has any information on how this can be done or, dare i say it, post an instructable i would be extremely grateful.