Instructables: question - assistive-technology Tue, 21 Nov 2017 21:52:47 PST BLOX v1.01 24v 250w e bike runs only 1 km with 2x 12v & ah batteries what is the reason and solution. toppmoto Hi, I made a e-bicycle project . I Have used a DC motor (My 1016,24v, 250 W )and using 2 nos of lead acid battery 2 x 12 V (7 ah/Battery). Here the problem is that the motor rotate the back wheel of bicycle(28")easily without any load but when the load applied  it runs only 1(one) k.m after that it ...
By: toppmoto

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Mon, 6 Nov 2017 02:27:22 PST
how can i update my intra4 quad core tv box to run android 5? rude51smith
By: rude51smith

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Sat, 5 Aug 2017 21:29:33 PDT
Lost larynx to cancer, now use electronic voice, battery powered. Feel it could be improved - refine electronics? DavidK75 After losing my larynx to cancer last year, i now use an "electro larynx" ( a great device which translates the vibrations my mouth makes when i "speak" with a rubber tube (the exact same as the one my dentist uses to extract excess saliv...
By: DavidK75

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Tue, 6 Jun 2017 13:27:01 PDT
How do I cancel my subscription? GeorgeW64 I got an email yesterday to say that I had paid my subscription for this year.  I know I probably agreed to an automatic payment when I signed up for this, but I want to change it now. can anyone tell me how?
By: GeorgeW64

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Mon, 20 Mar 2017 16:31:43 PDT
which solar panel is needed to run a 24 volt 1kw motor? sachina43 i am working on a project of solar tricycle and i wanna know which solar panel is required to run a 24volt 1kw motor. so that it can produce full power
By: sachina43

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Sat, 4 Mar 2017 00:54:24 PST
Is it possible to make/hack a usb digital microscope to have a digital zoom? kenrickrco Since USB Digital Microscopes is not as effective from afar, i would like to know if i can change the programming or add components on the usb digital microscope to have a digital zoom feature so that it can be used from afar.
By: kenrickrco

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Mon, 16 Jan 2017 22:19:46 PST
Is it possible to mirror a phone to an old monitor that i just found at the garage? kenrickrco So, i work with small items that need magnification, i want to use my phone's camera to zoom in on the piece with a magnifier app while being able to view it on a screen while working. Is it possible to do it? If so, what will i need to make a DIY prototype of this? What are the parts that are requ...
By: kenrickrco

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Mon, 9 Jan 2017 18:20:10 PST
How do I find a free class that I enrolled in? shed469
By: shed469

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Thu, 1 Dec 2016 10:28:18 PST
Does [Follow Question] do anything like it used to ? iceng Last year I could receive comments by individual questions after clicking that [Follow Question] button. I went through [Email Alerts] and [Settings] to no avail. Who has the straight skinny this and of future changes ?
By: iceng

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Sat, 5 Nov 2016 21:58:34 PDT
RE CHROMING ZINC ALUMINIUM Johnbowman I am looking for info on how to restore zinc aluminum car parts . like the automobile horns they tend to oxidize AND do not stand up to the Chemical's when re chroming. I be-leave that there is a process that will give them, a coating that can be used that will take the chroming posses   Regards Joh...
By: Johnbowman

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Tue, 20 Sep 2016 14:45:48 PDT
Human Powered Bike Powered Generator? real_jessie HI, I am an artist and I am creating a bike powered led sculpture for kids at a museum. I need some help making the connections correctly and finding the correct electric motor and volts not to over load the LED light bulbs as well as how to figure out the easiest gear ratio for kids to turn, There...
By: real_jessie

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Thu, 11 Aug 2016 09:46:48 PDT
Why does the water in my rice cooker only gets warm and not cook? CourtneyK11 I have a 60 cup rice cooker with two functions, cook and warm. it use to cook just fine for the 4 times i used it and i tried several time after but the water only gets warm and does not cook the rice. what can be the problem.
By: CourtneyK11

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Mon, 11 Apr 2016 06:44:36 PDT
hi my project is automatic lifting system for a stairway so i have problem plz can tell me about the compount? mohamed alhaj hi my project is automatic lifting system for a stairway so i have problem plz   can tell me about the compount?
By: mohamed alhaj

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Thu, 31 Mar 2016 13:22:46 PDT
ELECTROPLATING STICKER PLANT MRIGANKA BHUSAND My self Mriganka Bhuasan Debnath, from Kolkata, India. I want to setup a electroplating adhesive  sticker plant. Some one help me to setup this type of plant. this is a youtube video link : THANKS MRIGANKA BHUSAN DEBNATH mail : debnathmriganka2010@gmail...

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Tue, 30 Jun 2015 07:11:00 PDT
Rectifier of 48volts and maximum output current of 150amps not charging batteries of 24 cells (2volts/600amps-hr) azumi olu I recently installed some set of new batteries for a telecom firm with the aim of achieving hybrid on the site in order to reduce diesel consumption and operational cost. After three days of installation and being charged by a rectifier for maximum performance,i decided to activate hybrid on the sit...
By: azumi olu

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Mon, 25 May 2015 04:13:13 PDT
is there a way to see text messages from someone elses phone without them knowing you are seeing them? roy2013 trying to find out if my sons fiancé is cheating  need to see what text messages are being sent and received.  is there a way to find out
By: roy2013

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Fri, 9 Jan 2015 15:22:51 PST
I am planning to make electric bicycle with front wheel hub motor drive, how can I calculate the top speed? Abhisekdai I want to make electric bicycle as my engg project and I'm unable to calculate the top speed of my bike. I am going to use 250 watt motor.Also I want to know the max incline plane the bicycle will be able to travel
By: Abhisekdai

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Sat, 15 Nov 2014 20:44:37 PST
suction pump? vagatont How can I use suction pump in the most simpler end effective way?
By: vagatont

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Sat, 27 Sep 2014 00:40:32 PDT
Home automation system configuration? muhammajunaid I have recently purchased a used home automation system off of eBay. The whole package included the following items. 1. Amber Wireless AMB8425-M USB Stick 2. Aeon Z-Stick S2 USB Stick 3. Huawei E173u-2 Boradband USB stick 4. 3 x Zwave Socket adapters 5. 7links NAS Print/ USB Server Photos of these ...
By: muhammajunaid

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Thu, 11 Sep 2014 05:31:44 PDT
fire sleeve? bstflex Fire sleeve is a common term for a Silicone coated fiberglass sleeve, generally used in industrial or aerospace applications. Fiberglass acts as an insulator or barrier for constant temperatures up to 540ºC. Silicone is generally able to withstand temperatures up to about 260C degrees continuous. Si...
By: bstflex

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Fri, 15 Aug 2014 21:53:44 PDT
I cannot seem to charge my run battery at the same time i am using an inverter . thomasskelly8 I am trying an experiment to charge a run battery supplying power to an inverter that is used to  make more DC voltage. I Can charge an alternate battery, but when i connected to the run battery it drains to fast  and the inverter stops working. I have a diode on the positive so no drain there. How ...
By: thomasskelly8

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Wed, 30 Jul 2014 01:06:45 PDT
Can a programed device trigger others? Doc Holliday I would like software/hardware to trigger events with external devices. Specifically, have Colors and Taps played appropriately morning and evening, anticipating seasonal changes. Add other device signals like coffee brewer. -Cheers, -David
By: Doc Holliday

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Sun, 1 Jun 2014 15:52:57 PDT
how do i get pdf to be legable they are useless i have downloaded several times? dlwchristensen
By: dlwchristensen

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Sun, 4 May 2014 21:36:28 PDT
hybrid go kart? dexture can i couple the engine and a motor in a hybrid go kart so that they can power the axel together. 2.if i am driving on motor then how can i shift to engine and vice versa.
By: dexture

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Sat, 5 Apr 2014 02:13:28 PDT
What can I do with Pro? Chikpea I recently recived a free 3 month pro membership for having my Instructable featured. (See the featured Instructable here.) But I don't know what I can do with Pro! What are some pro benifits, and how do I use them?
By: Chikpea

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Sun, 15 Dec 2013 03:27:53 PST
build IR multitouch PANEL (for pc monitor)? settra hello guys i am looking to build an infared multi touch panel, for my 15.6" lcd monitor.. i cant seem to be able to buy something in norma prices , at that dimensions anyway.. the thing is, i can only find, instructables for multitouch tables (wich use , a camera), but in my case, i need to build a...
By: settra

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Sun, 1 Dec 2013 08:56:53 PST
Can you recommend a free 3D designing program? Eunix I would like to get started with 3D computer designing, since my drawing skills aren't very good. Thank you.
By: Eunix

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Wed, 20 Nov 2013 08:23:24 PST
Home automation: doorbell analog door phone intercom? Pompom Answer doorbell with home phone: I would like to create a setup in which a visitor rings the front doorbell that rings our home phones.  When we answer a phone it will act as an intercom so we can communicate with the people outside the front door.  There is no doorbell system in place so I am esse...
By: Pompom

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Tue, 5 Nov 2013 13:45:26 PST
Has anyone got thoughts using a UPS on a refrigerator? iceng A friend has a six year old Viking Professional refrigerator that must be manually key-board restarted after a momentary power interruption.   My solution for this bad design is to put a UPS on the refrigerator. After all the refrigerator load is very small and much like a computer load. I p...
By: iceng

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Tue, 1 Oct 2013 20:01:35 PDT
Home automation with time? pete54321 Hey everyone,  Not sure how many of you would have thought about it but there's a kickstarter project that reached it goal a while ago called 'wig wag'. Wig wag is more or less just home automation. I really like the idea, but hate the thought of paying hundreds of dollars for something that is defi...
By: pete54321

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Wed, 25 Sep 2013 18:43:28 PDT
I have SPDT with 12 volts hooked to 2 LED strips of the same reel, I just cut them. I need some input angpal59 I have some 12 volt LED strips, well I cut and made two and wired them to  SPDT on-off-on toggle switch. Then I wired a LED indicator LED to the outside of the box to indicate one was on, not both(don't ask me why,lol). I used a 7812 to get 12 volts cause the walwart was to high, my problem is I get...
By: angpal59

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Sun, 22 Sep 2013 03:59:19 PDT
Using a projector with a timer switch? co701rf I am trying to set up an art installation which will involve a projector projecting a video piece in the middle of the night when unattended. I was planning on connecting it up to a laptop and somehow using a timer switch. I realized though that the projector may go to sleep or may not work using th...
By: co701rf

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Mon, 24 Jun 2013 10:25:15 PDT
How to prepare Potassium Nitrate (KNO3) using Nitric Acid (HNO3) for industrial purpose? vardhan17 I know the reaction is KCl + HNO3 gives KNO3 + HCl; but please let me know what are the rxn temperature, more about the reaction parameters etc.
By: vardhan17

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Mon, 6 May 2013 12:07:03 PDT
Need a design for an outdoor wheelchair that converts to a bed for handicapped person to go camping again? cjkip I would like to build an all-terrain wheelchair that folds into a bed so I can take my adult brother with MS camping again.  Could use soft balloon tires and something like a lounge chair style that lies flat to make a bed.  It needs to have at least one firm arm that he can pull on to turn himself ...
By: cjkip

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Tue, 23 Apr 2013 07:45:45 PDT
can an automatic washing machine be made into a manual one.? yeovile i would like to be able to run an automatic washing machine the same as one does  TWIN TUB washing machine. like adding the water myself via a bucket instead of the machine connected to a tap. as i intend to live out in the bush with only generator power and no water pump on the tank. can an automat...
By: yeovile

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Tue, 16 Apr 2013 17:38:42 PDT
how to make bicycle amphibious ? (^_^) MGS 10 mgshalim
By: mgshalim

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Sun, 31 Mar 2013 01:49:09 PDT
How to create motor or generator resistance system for exercise machine? zanimann Researching a method to use resistance from a motor or generator for an exercise machine.  There is an axle from which both foot and arm levers extend, so there is rotation, but only about a half turn in each direction, so very low speed, and back and forth.  I have used magnets and eddy current and...
By: zanimann

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Tue, 12 Mar 2013 15:13:52 PDT
Did anything stop the phones at my house from ringing? VirtualBoxer My dad said that one phone call at my house was only indicated by my home-made bed shaker, which he did not know was an indicator of a call. I can't tell why it happened. In fact, I don't think it did because, if my Clarity XL50 didn't give the standard ringing, it would not have turned on the shake...
By: VirtualBoxer

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Fri, 22 Feb 2013 20:34:45 PST
how can i do all mathemetical calculation for finding effiency of an electrical byke? rathoredinesh m working on the project bt uncapable to find all mathametical work....... pls tell me the formet that find it... what calculation should be required like all stress , how to find c.g.
By: rathoredinesh

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Thu, 21 Feb 2013 00:54:01 PST
are you in this? j.renee
By: j.renee

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Mon, 7 Jan 2013 16:07:19 PST
I want to make a USB data card device of my own. neeraj75verma  I want to make a USB data Card just like tata photon or micromax 3G which uses a GSM SIM Card for net usage in my system. Help me how to make it..????
By: neeraj75verma

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Sun, 23 Dec 2012 07:16:42 PST
How do I understand what the heck a cyborg is? j4jackj I'm not a cyborg myself... and I'm making an article about them. Can someone point me in the right direction (DIY bone conduction implants might work, or IR HUD) and I'm talking mostly about a mental fusion of man and machine, which I am sure I and most of Western society are. But  on a more fundam...
By: j4jackj

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Mon, 3 Dec 2012 20:35:33 PST
How to control a servo with a switch? webby0121 As above i was wondering how to fully turn a servo and turn it back just with a switch It's for a dashboard sat nav box that flips up (Might add it on here) Thanks 
By: webby0121

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Sun, 25 Nov 2012 12:59:14 PST
can I make a coilgun using a relay? masterzeb318 i want to know if i could build coilgun with a relay because i know it is an electromagnet and my coil i was using got tangled up.and giv me an idea of a circuit if i can use a relay.
By: masterzeb318

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Wed, 3 Oct 2012 09:06:42 PDT
Please evaluate this design. rimar2000 I'm trying to develop a new type of engine, but before deciding to make a prototype, which could take a long time, I would like you –who know more than I about motors– do tell me if my engine design has a serious impediment.
By: rimar2000

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Sun, 26 Aug 2012 18:30:48 PDT
How do i build a device to allow an input and it give a designated output (1015469=input and B2-1= output)? J.Reynolds09 I work in a warehouse as a forklift operator.  I deal with looking at a number on a container, then have to look up the number by going through several pages to find the corresponding isle and row to place the container.  EX. ( Container has 1015469 on it.  I have to find that number on a sheet then...
By: J.Reynolds09

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Sun, 5 Aug 2012 11:48:47 PDT
helping hands tool? KevPerkins Is there a tool OR SERIES OF TOOLS out there that can assist hobby enthusiast who have the misfortune of unsteady hands. Not quite Parkinsons but pretty bad. The mind still wishes to create and to solve technical problems, but shaky hands put a stop to a lot of projects...or just make completion tim...
By: KevPerkins

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Thu, 2 Aug 2012 14:06:13 PDT
How can I set up a cheap 100 foot cable web or camcorder and record from a pc? tilmjlay My church wants to setup a a web or camcorder recording system for the church. but the digital area is a 100 foot away and we would like to be able to use a web cam or a camcorder to record services and broadcast it live or prerecorded on the website. we have a 100 ft usb cable and a 100ft ethernet ...
By: tilmjlay

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Sun, 29 Jul 2012 10:15:29 PDT
how do i make a gear box with a 6to1 ratio so i can build a wind up power supply for emergency? Lonnie W pagle Jr I want to build a generator that doesn't use gas but will turn fast enough to turn an alternator with a gear box system once i have the gear box built which will meet my requirements I will use three battery's two alternators. having this done ill use an invert er.    
By: Lonnie W pagle Jr

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Tue, 10 Jul 2012 19:20:59 PDT
does anybody know where i could get a pair of small semi-transparent organic light emitting diode (oled) screens???? garagegenius im on a tight budget and am trying to complete a project that involves 2 oleds and i dont know where to find individual and relatively inexpensive ones about one inch wide and 3/4 of an inch tall.
By: garagegenius

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Tue, 12 Jun 2012 18:22:18 PDT