I am trying to build a xmas light controler(you know. the lights. sync to the music?). it is going to be powererd by a seril interface. (the big kind.) how do you build it? pics please if you can.
Asked by vodo 9 years ago | last reply 9 years ago
Hi all Can anyone suggest the best way to replace the variable speed trigger of a 18v battery drill, with a remote from the drill adjustable speed control. I want to control the speed and have it stay at the setting until I turn it off or adjust the speed. The drill will be clamped to a board with no battery and powered by a power supply. Thanks for any advice Les
Posted by Les1951 3 years ago | last reply 3 years ago
Please help me ! I am working on an electric motor design, and I am having trouble understanding the sizing of the resistors required to set up my H bridge. If you look at my diagram you will see each phase consists of four power coils wired in parallel . There are two sets of reed proximity sensors that turn the circuit on one way then the other. I am using a TIP 35c & a TIP 36c for my Transistors I am using a 1n4936 for my Diodes I am using a PRX 8200 for my Reed Sensors You will find data sheets attached So far I have only been running my project at 12 volts DC . At 12v the transistors are running cold with no resistors at all. I have tried to apply OHM’s Law but I’m not getting it right. I am confused about a few other things as well. The Data sheet for the Transistors tells me the Base- Emitter Voltage is 5v & the Base current is 5a . Should I be running a separate power supply for the sensor feed to the base ? Or dose the resistor adjust the voltage for this? When you buy Resistors they come in 1/4 watt ½ watt 1 watt 2 watt etc. How do you choose the wattage? I would like to run my motor in 24, 36, 48, or higher voltage, to as much as the transistors will take , but until I understand this set up I fear I will only fry my transistors or sensors if I get it wrong. Can you help me turn up the power?
Asked by Masternot 7 years ago | last reply 7 years ago
Asked by ned060887 8 years ago | last reply 7 years ago
I want to power a 90 Volt, 5amp Perment Brush type DC Gear Motor. The, "Variable speed controller", needs to be able to use 115v AC or 115v DC input power, which is selectable by the operator. I have used a Staco variable tranformer which uses 115v AC input and rectified the output to drive the motor. But also need the 115v DC input option.
Asked by Realdann 6 years ago | last reply 6 years ago
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
Posted by puddlepod 6 years ago | last reply 6 years ago
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
Posted by huchleberry 10 years ago | last reply 4 months ago
I have a small scroll saw i would like to build a cheap speed controler for It uses an AC motor which appears to be brushless when i dismantled it Could anyone tell me how brushless AC motors work, and how their speeed controlers work (i assume you need to change the phase of the ac current) Many thanks Chris
Asked by ooda55 7 years ago | last reply 1 year ago
Hy guys, Would really apriciate if you can guyde me to right direction.. Here is what I'm looking for: http://www.bizney.com/laser.jpg Actualy I need power controller for laser, it would be simple but I need controller to increase power in time not emediately (1hr=100% power, 1min=0.6% power). Hope somebody can help me. Jhon
Asked by jmnemonik 8 years ago | last reply 8 years ago
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.
Asked by Jgniklu 6 years ago | last reply 6 years ago
How do you control a servo? I know you can control it via Arduino or some other microcontroler, but can you control a servo with out the need of programing??? I know the servo has 3 wires red, black and yellow... and if what I heard is right, that yellow wire is for controlling it.... Thank you! Comodore
Asked by comodore 9 years ago | last reply 6 years ago
I'd love to make some throwies that can be remotely controlled. At a minimum I want to turn them on and off, colour and brightness change would be fantastic. What's are the options for doing this - what's the cheapest, lightest, smallest way to control them remotely? Some kind of RFID and switch? Is this going to drastically raise the price from about $1 a piece, or could it be done cheaply? How many could feasibly be controlled at once?
Posted by ollieg 7 years ago | last reply 7 years ago
I am looking to control a keyboard using output from another computer. The output must control the other computer by the keyboard. or send keyboard strokes through the wireless keyboard adapter. I can not control second computer by a program, ethernet, or usb direct cable. I might be able to use usb if the imput show as if its a keyboard. I can use old style keyboard ps/2 or usb. I,m trying to control a computer that is on a VPN and it wont allow and connection or programs running like I mentioned. I could get by only controlling the mouse of the other computer from the frist.
Asked by dbartoletbet 5 years ago | last reply 5 years ago
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?
Asked by skullkeeper80 7 years ago | last reply 7 years ago
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.
Posted by Ineedacircuit 3 years ago | last reply 3 years ago
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.
Posted by novenine 9 years ago | last reply 2 years ago
I am currently working on a robotics project, and need a bit of help. I have this H bridge, and would need to control it via PWM. Speed control isn't necessarily what i need, though i wouldn't mind. (In4 i should have just bought an ESC) The whole bot is controlled by PWM (All servos) except for the two DC motors that i have on it -- One for forward and backward, and another for rotating an arm. How would i control the H Bridge with PWM? Which pins would i connect what to?
Asked by RocketPenguin 3 years ago | last reply 3 years ago
RELATED TO DC MOTOR CONTROLLER (EV VEHICLES) 1: Need for large number of capacitors in the power circuit (store the charge and dissipate to which part of the component mosfet or diodes ??) ? 2: what are diodes parallel to the mosfets for ? ( other than preventing the back emf coming from the motor ) and is it have anything to do with firing angle ? 3:advantage of using many mosfets in parallel than using a single mosfet and on what basis must that mosfet chosen? I am from India a college student pursuing my electronics engineering and making motor controller,i am able to get all the circuit details and how the motor controller works but i have above few doubts
Posted by doraditya 5 years ago | last reply 4 years ago
I thought that it would be a cool idea to stick http://www.amazon.com/MK808-Android-Rockchip-RK3066-Cortex-A9/dp/B009OX22B4/ref=sr_1_3?ie=UTF8&qid=1367876912&sr=8-3&keywords=smart+tv+stick into a SNES controller along with a teensy to automate the buttons. Would this work? I thought this would be cool to play snes9x for android on a TV.
Posted by qquuiinn 5 years ago
I want to build a SIMPLE computer controlled relay. Not where u have the relay that is on when the computer is on, the kind where u have a program that has little buttons that u click to activate a relay. Please help me!!!!!
Posted by sci4me 9 years ago | last reply 4 years ago
Facial feature detection is an interesting addition to robotics. Much of human communication is done without verbs and nouns so a robot that can pick up on visual cues from the human face will probably be leagues ahead of it's peers. I imagine that using this feature it can pick up the disconect between words and facial expression to get a understanding of sarcasm. Turing test, here we come!Face Controlling Robots
Posted by lamedust 10 years ago | last reply 10 years ago
So, I've been on a project where i am trying to use a generic bluetooth gamepad to control dc motors through a HC05 bluetooth module connected to an arduino. I have no idea on where to start. I did some research about it but there dosent seem to be much information thats appropriate for this project. here is what im using now: -ipega bluetooth controller -arduino mega 2560 -HC-05 bluetooth module
Posted by thomasmanman 3 years ago | last reply 3 years ago
Ok so first off i just cant wrap my head around this for some reason...... what im looking to do (basically) is have a "pod" turn left and right i want it to be controlled via some type of joystick. i get the mechanics but i just dont understand the electronics. i think i need some kind of pwm motor control. well i just got all the stuff to follow some of the instructables on here but i get nothing.......well i got a smoking pot? no pun intended anyway please someone help
Asked by dannyces 8 years ago | last reply 8 years ago
Hi I have a remote controlled bait boat tht I use for fishing but the remote control ain't great and was wondering if I could maybe change it for an old one off of a RC car (cheap child's one) as the one I have ony has 3 buttons, 1 for forward and 2 for left n right, oh and 1 for activating the hopper to let the bait out, if this is possible and someone could give me some advise I would be very grateful, also obviuosly my boat hasn't got a reverse could tht be incorporated into it or is tht gonna be a whole new motor??
Asked by Jabace123 4 years ago | last reply 4 years ago
I have an old style Cassette SONY x-plod car audio stereo player for car. i have removed main cassette section & replaced it with an USB MP3/FM board with remote control. I made this because i believe in SONY's amplifier so successfully tracked amp track to get source from USB board. But here i got a problem with board which forgets volume level & restores to 25 level(Default range 0 to 50 level). so volume is boosting at high at every start of player. Now i want to Analog stereo volume controller between USB board's output & SONY amplifier's input. so what should be the configuration for volume controller??? Output target for amplifier is 4speaker(2x150Watts[Front] & 2x180Watts[Rear]). Does my idea works?? if it works what is the configuration for Analog stereo volume controller.??
Asked by chinnuabhi 5 years ago | last reply 5 years ago
Hi all, I need some help finding a suitable solenoid controller, it must be dc powered and operate a latching solenoid for an hour every 24 hours. It must be programmable by the user and operate the latching solenoid instantaneously on and then off separately. It should be relatively cheap as its for a HNC lawn watering project. Regards woody.
Posted by woody1001625 5 years ago | last reply 5 years ago
The cheapest way of wirelessly controlling a robot is IR, right? I'm in need of help for a schematic for an emitter and a reciever (this will be my first IR project). Please don't tell me to google it because I've been looking around and all I've found were vague schematics. I'd probably want to use a 555 timer for the emitter, but the schematics were vague again. For the reciever would I have to use 4, along with 4 emitters to drive 2 motors independently? As in Motor1 front and back, Motor2 front and back?
Posted by guyfrom7up 11 years ago | last reply 11 years ago
Hi, I have a tiny solenoid from an automatic air freshener that I want to control manually. The solenoid acts as a valve that opens when fed 5v, and closed when no voltage is present. On the factory board, there's a timer that triggers the solenoid every few minutes for a fraction of a second (opens and closes so fast it just sounds like a click). What is the simplest way (No Arduino, Raspberry, etc.) to make a 5 volt pulse to make it go "click" on the push of a button? Further more, how would I control the length of the 5v pulse? I want to be able to control the amount of gas it passes (Pun intended) when activated. Any information would be helpful, and a circuit diagram would be greatly appreciated (I can read diagrams but can't design a circuit). Thanks!!!
Asked by Morgantao 5 years ago | last reply 5 years ago
Ive recently found some different hacks for wowwee's Robosapien and these have inspired me to dig out my old one and see what i could do. One thing i want to start with is controlling it with maybe an app on my android, ive found a few different websites with different ways to go about this but none was what i wanted. Ive found these two projects ( here and here) and i wondering if anyone could help me bridge the two (the coding still gives me a headache), of if you have a different way to go about it. Thanks in advance
Asked by zootsuitman 6 years ago | last reply 6 years ago
Hey guys, I recently pulled out my N64 and played Mario Kart 64 for some old-time fun. It was a rush.Anyways, I saw a video on youtube of someone who hooked up their N64 controller to their PC, and all the buttons worked.Now I recently saw an instructable on something similar to this:https://www.instructables.com/id/SNES-to-Parallel-Port/But I'm not sure if that same method would work or not.I also found this: http://arcadecontrols.com/Mirrors/emulatronia/n64pad/index.htmWhich is pretty much what I'm looking for, but I want to see if there's another way that doesn't involve the creation of a circuit with IC Chips.Anyone know? THanks.
Posted by Jackhole 10 years ago | last reply 7 years ago
This is for a college project, I'm not asking for help so much as advice. I need to write a PID algorithm and have it control an electromagnet. The only experience I have with this kind of stuff is C++ and arduino serial communications (with processing, not C++). Obviously the goal is to make the whole system as fast as possible, so could anybody recommend a programming language and hardware interface I might look into? Arduino on the whole seems a little slow, and I'm not sure how fast the serial communications are or if something like USB might be better. Thanks in advance.
Asked by alexhalford 6 years ago | last reply 6 years ago
I'm building an ROV for the MATE ROV competition with a high school team this year. For this year's competition, we've decided to control our bot via an Arduino Mega, and we're using PWM to potentiate the thrusters. As the person designated to electrical, I fortuitously have no idea how to set up an intermediate step from the Arduino to our thrusters. I've looked into H-Bridges with both Relays and Transistors, and defaulted to the transistor. How would I choose what transistor to use though? I've tried several (all BJTs) and they're giving me nothing but problems. Should I switch to a FET? Should I use a P type and an N type, or only one? What specs should I purchase them with? Do I ask too many questions? Help! (I'm trying to control a 12V 6A motor with a 5V Pwm signal. Thanks!)
Asked by unununium 8 years ago | last reply 8 years ago
So as I get into this project the circuit keeps building and now I once again have another problem that I can't figure out. As the title hopefully suggests I am using a NPN PN2222A trans. to control a PNP 2N3906 The idea was to use the 5v from a Ardinuo UNO to control a 12v. Currently I am testing with a 9v I had on hand. I thought it would pretty straight forward but every time I supply power to the NPN it creates the short needed to turn on the LED, but once I cut the power the LED stays on until I create another short (using a probe) uphill of the NPN. The only thing I can think of is that the LED doesn't the resistance needed for the power to re-saturated the PNP. Any thoughts? I will admit haven't done any of the math needed yet for the resistors. Also can someone send me a link to the programs you use for drawing the layouts so I can move past MSpaint?
Asked by Jayccob 3 years ago | last reply 3 years ago
I've been thinking about making a FPV RC (first person view) plane and I was wondering about using Xbee and Ardunio. I was thinking have an Arduino on the ground and another one in the plane each one with an Xbee. I want to have joysticks, buttons and switches on the ground to control at least 4 servos, one or two ESC's and possibly other things (like LED's and retractable landing gear) in the plane and also have a camera and some sensors (altitude, battery level, ECT) in the plane sending video and data back to earth where it can be displayed. I am quite new to electronics and I just want to know if what I said is possible, if there is an easier/cheaper way, how one might go about doing it and if that's even how you use an Xbee. Thanks for any help, it will be greatly appreciated
Asked by monty324 5 years ago | last reply 5 years ago
Ok.. I am going to apologize now to everyone if this is a repost of someone else's question.. but for the life of me I cant find what I am looking for... I am considering doing a project that will allow me to voice command a HTPC for other things then the normal HTPC stuff... for instance.. and yes i kow this is kinda out their on the geeky side.. but my brothers and sisters here would approve... I want to be able to walk into a room and tell the "ships computer to go to Red Alert" and have a red LED rope light hidden behind a false crown molding start to turn on and off.. and also play the infamous star trek red alert sounder..... This would be only one of many things i want to do with it.. but the only example i could come up with at the moment... If you can point me in the right direction for the lighting control done on the cheap that would except commands from lets say a batch file or what ever.... Charles
Posted by lifelineafety 7 years ago | last reply 7 years ago
Hey guys, I've been wanting to ask someone about this idea for a while now. You know how you can get programs like SRS Wow that's built into windows media player? There are also other assorted Equalizer programs (with sliders) or for effect, to change how your music is playing. If these programs can do this merely with cpu power, is there a way I could have a source from the mic/input plug on a soundcard in one of my spare towers, and say, re-route it to the speaker/output on the card, but say, have a subsonic filter in place between the input and the output of the card, using only software? I'm pretty Effin sure this has to be possible, and yes I can take into consideration that there could be some considerable cpu usage for realtime playback. My goal would be to say set in place a 20 or 30hz cutoff point and then run that to my subwoofer amp, or use two seperate towers, and run my other subwoofers I have sitting around, but they need a higher cutoff point as they are only 8-10inch woofers. Could anyone lend a hand?? I know this has to be possible somehow.
Posted by Punkguyta 9 years ago | last reply 9 years ago
I want to get these 12v solar battery chargers they come with alligator clamps to hook to the battery. i want to get enough for around 150 volts so how would i hook the solar panels in series, and do i need a controller for each battery? and how would i rig that up and how can I get it going into all the 12 volt batteries without any damage to the batteries etc. And can this be done for less than $400 if the solar panels are $30 each and the batteries are $14 each. THANK YOU!!!! THANK YOU!!!! THANK YOU!!!! THANK YOU!!!! THANK YOU!!!! oh and could you give me links for all the stuff I'm gonna be buying. THANKS!!!!
Asked by jimmerforpoy 8 years ago | last reply 8 years ago
I'm going to make a custom guitar hero controller for myself, and i want to mod the buttons so that they don't requite so much travel, and they're more.. snappy, if you get what I'm saying. The switches in mice are perfect, but I don't have enough mice to dissect to get enough buttons. I also found that some of the switches are DPDT, which are perfect for throwing in some LEDs... Anyways, my question is where can I get some DPDT switches from mice, without bulk ordering on ebay? And are there specific names for those switches?
Posted by cvxdes 10 years ago | last reply 9 years ago
So first off I don't know much about Rc cars so Ive looked online for a solution but can't find one, maybe I'm getting the wording wrong. I've just came across these forums so maybe someone can help. OK so my nephew got a pair of Cars 3 RC cars for his birthday. They were working fine for about a day but now one of the controllers controls both cars at the same time and the other does nothing. I can't find any controls or switches on either car or remote except for the on/off switched. My question is, why is this happening and is there anything I can do to fix it? Also they both say they're 2.4ghz if that makes any difference Thanks in advance
Asked by JoshW147 1 year ago | last reply 6 months ago
Ok, so i took apart a old lcd monitor and found a w78e65p-40 microcontroler unit in it. i have no idea how to use it and whit not, and it just slides out a holder, so it can be put back in. again no idea how to use it, but this site may be of help to describe it http://www.8052.com/codelib/w78e65.pdf
Posted by killmore231 10 years ago
Hello, I just got a micro controler IC (i think), just the chip, and I want to know what I can do with it. The text on the chip reads as follows: 7CYA5KK G4 M430F4260 REV A It was a free sample I picked up so it didnt cost me anything, and its from texas instruments. Any cool projects or ideas would be great! Thanks!
Asked by TXTCLA55 9 years ago | last reply 9 years ago