http://www.instructables.com Wed, 22 May 2013 15:03:59 PDT BLOX v1.01 http://www.instructables.com/answers/Where-to-purchase-large-1800mm-vacuum-heat-tubes/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif screwworkn I wanted to purchase a couple large (1800mm) vacuum heat tubes to play with but can't find anywhere that doesn't sell an entire system.  Anyone have ideas?
By: screwworkn

Continue Reading »]]> Wed, 22 May 2013 14:23:54 PDT http://www.instructables.com/answers/increase-USB-charger-current/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif wuttheheeck Hi folks,  I have built myself a DIY mintyboost USB charger. I am using a 3.7v 4000mah battery  Lipo charge controller  Dc/Dc 3v to 5v 1am boost circuit  I am looking for ways to increase my charging rate, my phone will often display a charging light when it is actually discharging.  I have used ...
By: wuttheheeck

Continue Reading »]]> Wed, 22 May 2013 10:20:15 PDT http://www.instructables.com/answers/Why-wont-my-wiring-work/ http://www.instructables.com/files/deriv/F89/L9E4/HGZO2EAU/F89L9E4HGZO2EAU.SQUARE2.jpg http://www.instructables.com/files/deriv/F89/L9E4/HGZO2EAU/F89L9E4HGZO2EAU.SQUARE.jpg http://www.instructables.com/files/deriv/F89/L9E4/HGZO2EAU/F89L9E4HGZO2EAU.SMALL.jpg Schooniedude I'm mounting an outlet and a switch onto a router table I am making so that I can turn it on and off easier. I have very little wiring experience. I found a diagram in a book and did my best to remake it. The power runs through the switch and to the outlet. Thanks in advace!
By: Schooniedude

Continue Reading »]]> Wed, 22 May 2013 10:07:59 PDT http://www.instructables.com/answers/Can-any-intangible-thing-manipulate-electrical-flo/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Wisaam Like is there anything non-material, like a magnetic field which when brought near a wire or by any other way stops or allows the electric flow through it? And I am not talking about a changing magnetic field producing a current in the wire.
By: Wisaam

Continue Reading »]]> Wed, 22 May 2013 09:02:35 PDT http://www.instructables.com/answers/Please-can-I-use-car-engine-starter-motor-12-volt/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif dankyi Please can I use car engine starter motor (12 volts) to build an electric wheelchair? If so, how do I connect it to batteries?
By: dankyi

Continue Reading »]]> Wed, 22 May 2013 04:21:49 PDT http://www.instructables.com/answers/What-happened-to-the-PDF-downloads-available-to-Pr/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif 244 Jake
By: 244 Jake

Continue Reading »]]> Tue, 21 May 2013 20:45:41 PDT http://www.instructables.com/answers/Motherboard-replacement-capacitor/ http://www.instructables.com/files/deriv/FXU/GOJE/HGZO5SQ8/FXUGOJEHGZO5SQ8.SQUARE2.jpg http://www.instructables.com/files/deriv/FXU/GOJE/HGZO5SQ8/FXUGOJEHGZO5SQ8.SQUARE.jpg http://www.instructables.com/files/deriv/FXU/GOJE/HGZO5SQ8/FXUGOJEHGZO5SQ8.SMALL.jpg XP1 I have an Asus M3A79-T Deluxe motherboard I recovered, and one of the capacitors looks to be ripped out of place. Does anyone know where I can buy or find the correct replacement capacitor? I have identified which capacitor it is I just am lost on as to where I can get another one. It has this on t...
By: XP1

Continue Reading »]]> Tue, 21 May 2013 19:12:56 PDT http://www.instructables.com/answers/I-am-building-a-TV-lift-with-hopefully-RF-and-/ http://www.instructables.com/files/deriv/F6R/QQB3/HGU2LLE0/F6RQQB3HGU2LLE0.SQUARE2.jpg http://www.instructables.com/files/deriv/F6R/QQB3/HGU2LLE0/F6RQQB3HGU2LLE0.SQUARE.jpg http://www.instructables.com/files/deriv/F6R/QQB3/HGU2LLE0/F6RQQB3HGU2LLE0.SMALL.jpg intrance I have the hard wired dpdt switch wired as attached and the relay as per the other attachment (but the incoming voltage to power the board and running through the relays to power the actuator are both 12v and from the same source). I am trying to have both a RF control and hard wired back up in the ...
By: intrance

Continue Reading »]]> Tue, 21 May 2013 13:22:29 PDT http://www.instructables.com/answers/Switchmode-Power-supply-noise/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif lightemmitingdiode Hi I have an 20w LED driver which is plugged into the mains, however I have a radio plugged into a nearby socket-this radio is making some weird noises when the LED driver is plugged in. Could this be because of the  switching frequencies? How can i get rid of it?
By: lightemmitingdiode

Continue Reading »]]> Tue, 21 May 2013 06:08:06 PDT http://www.instructables.com/answers/How-can-i-make-a-voltage-or-charge-amplifier-for-a/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nobykobe i use the sensor to sense the transverse vibration of beam .http://www.mide.com/pdfs/quickpack-actuator-sensor-datasheet.pdf http://www.mide.com/pdfs/quickpack_specs_piezo_properties.pdf
By: nobykobe

Continue Reading »]]> Tue, 21 May 2013 04:52:54 PDT http://www.instructables.com/answers/Whys-my-amp-not-working-properly/ http://www.instructables.com/files/deriv/F21/TJ29/HGU2F0C9/F21TJ29HGU2F0C9.SQUARE2.jpg http://www.instructables.com/files/deriv/F21/TJ29/HGU2F0C9/F21TJ29HGU2F0C9.SQUARE.jpg http://www.instructables.com/files/deriv/F21/TJ29/HGU2F0C9/F21TJ29HGU2F0C9.SMALL.jpg Ankan Nayak I have recently built a stereo tda2030a amp. When I plug the power,input and outputs and switch it on, it makes a cracking noise and the left channel doesn't give any sound. I am not able to troubleshoot the actual cause. The schematic:  
By: Ankan Nayak

Continue Reading »]]> Tue, 21 May 2013 03:38:48 PDT http://www.instructables.com/answers/DC-time-delay/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Adarsh_tronix Here's the situation-I close a switch completing a circuit,providing DC power to a load(6 volt,0.1 A).But I do not need the load to start functioning as soon as the switch is closed i.e,only after a delay of say..30 seconds.I googled for "Time delay circuits" but the ones I got were either dealing w...
By: Adarsh_tronix

Continue Reading »]]> Tue, 21 May 2013 02:58:42 PDT http://www.instructables.com/answers/How-does-an-Multitouch-overlay-works/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif oinquer i'm a electronics enthusiast and would like to find out the technology behind such stuff. they both say it works bad outside...so its probably Infrared based... I was wondering if it is with some IR Leds and phototransistors or some kind? examples: http://mesamundi.com/collections/multitouch-overlay...
By: oinquer

Continue Reading »]]> Tue, 21 May 2013 02:27:24 PDT http://www.instructables.com/answers/Most-efficient-way-to-recover-heat-from-130-degree/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MichaelMichael I am making a solar still and I need to recover as much heat as I can from the 130 degree F water (bringing the water temp down to near ambient, 72 degrees F) and then transfer this heat to 140 degree F seawater. I have a limited amount of solar collectors to heat brackish water, send it through an ...
By: MichaelMichael

Continue Reading »]]> Tue, 21 May 2013 01:51:30 PDT http://www.instructables.com/answers/Hi-All-Looking-for-electronic-paper-just-for-th/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MikeTeitel Hi All, Looking for electronic paper , just for the paper with usb connector, no monitor or other accessories, I need it to be very simple paper but that should support colors?
By: MikeTeitel

Continue Reading »]]> Mon, 20 May 2013 23:09:43 PDT http://www.instructables.com/answers/How-to-make-a-input-selector/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif DoctorWoo I'm looking to make a rather large input selector for a propose project a coworker is looking to commission me to make. I know I can buy a board that will be able to handle about four, but I need about 20 or so selections. I'm looking to make your basic AV selection box, where if you press a button,...
By: DoctorWoo

Continue Reading »]]> Mon, 20 May 2013 21:22:59 PDT http://www.instructables.com/answers/Pump-control-Uni-or-Bi-polar-stepper-motor/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Hammock Boy I am working on a robot that includes several annular gear pumps. We are using the MZR 2521, manual: (please see section 5.5) http://www.micropump.com/support_documents/manual_mzr-xx21.pdf product page: http://www.micropump.com/product_detail.aspx?ProductID=62 In the description they say that you...
By: Hammock Boy

Continue Reading »]]> Mon, 20 May 2013 16:27:03 PDT http://www.instructables.com/answers/Newbie-AlertIs-it-possible-to-make-a-8x8-led-matr/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif scooter2013 If so can someone help me with the schematic? And also I'm using an arduino uno r3 if that helps? I kind of would need help with the programming as well. I have transistors (2N3904) and resistors (100 Ohm/200 Ohm) too.  Thanks for the help!
By: scooter2013

Continue Reading »]]> Mon, 20 May 2013 14:36:57 PDT http://www.instructables.com/answers/How-to-make-antivirus-programs-stop-blocking-my-so/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif thegeeke I am in the beta testing stages of a program I recently developed.  One of the problems that I have with it is that anti-virus programs tend to block it due to the fact that they do not recognise it.  Also, microsoft smart screen and google chrome try to block it because it is not a commonly downloa...
By: thegeeke

Continue Reading »]]> Mon, 20 May 2013 11:31:36 PDT http://www.instructables.com/answers/How-to-connect-BNCPCB-mount-configuration-/ http://www.instructables.com/files/deriv/FKV/KN3R/HGU2L89Y/FKVKN3RHGU2L89Y.SQUARE2.jpg http://www.instructables.com/files/deriv/FKV/KN3R/HGU2L89Y/FKVKN3RHGU2L89Y.SQUARE.jpg http://www.instructables.com/files/deriv/FKV/KN3R/HGU2L89Y/FKVKN3RHGU2L89Y.SMALL.jpg nobykobe I need to know the connections 
By: nobykobe

Continue Reading »]]> Mon, 20 May 2013 03:08:47 PDT http://www.instructables.com/answers/How-to-control-OMXPlayer-in-Raspberry-Pi/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif SHIFT! Does anyone know how to control the OMXPlayer media player within the raspberry Pi?  I tried the online suggestions of the key bindings available here but http://www.raspberrypi.org/phpBB3/viewtopic.php?f=63? but it doesn't work either in the terminal or in as hot keys.  I'm using the OMXPlayer that...
By: SHIFT!

Continue Reading »]]> Sun, 19 May 2013 20:35:23 PDT http://www.instructables.com/answers/Rewiring-christmas-lights-that-have-3-wires/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Myrloc I basically want to do something like this: http://michaelbluejay.com/batteries/dc-christmas-lights.html Where I can rewire just one strip on 15 or so to make a line that can be run by batteries. Thanks
By: Myrloc

Continue Reading »]]> Sun, 19 May 2013 11:51:19 PDT http://www.instructables.com/answers/Problems-with-logicNAND-gates/ http://www.instructables.com/files/deriv/FG0/4JUB/HGU2JG6Z/FG04JUBHGU2JG6Z.SQUARE2.jpg http://www.instructables.com/files/deriv/FG0/4JUB/HGU2JG6Z/FG04JUBHGU2JG6Z.SQUARE.jpg http://www.instructables.com/files/deriv/FG0/4JUB/HGU2JG6Z/FG04JUBHGU2JG6Z.SMALL.jpg vsuresh1 I MADE a circuit that basically detects when an IR beam  is cut using a LM741 opamp .AS shown in the schematic i've connected the output of the opamp to the  two transistors (which is a nand gate) ,so when the beam is cut the output of the transistors should be high but instead the led at the collec...
By: vsuresh1

Continue Reading »]]> Sun, 19 May 2013 02:12:59 PDT http://www.instructables.com/answers/Servo-to-shaft-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif flonect Hello, I would like to ask if there is a way to couple a servo motor to a shaft. Thanks.
By: flonect

Continue Reading »]]> Sat, 18 May 2013 22:39:09 PDT http://www.instructables.com/answers/help-please-I-have-just-built-a-small-cnc-machine/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif trapper23 This is a small machine for engraving pens and tool/cutlery handles . It has a z axis to raise and lower the tool/cutter. the z axis tranverses in the usual manner. The third axis is ratary spinning the workpieces. I need good accurancy so what is best in terms of motors I have many motors liberated...
By: trapper23

Continue Reading »]]> Sat, 18 May 2013 10:59:53 PDT http://www.instructables.com/answers/Anyone-know-how-to-reinstall-the-hingesprings-in-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif StoryAddict I still use my beloved Sony Walkman (personal cd player ca. early-mid 2000s) with a cassette adapter in my 98 lumina, as well as w/ headphones on long family car trips. Sadly, this past weekend, I dropped it on hardfloor, and while it is otherwise unharmed, the lid and hinge-springs popped off. I wa...
By: StoryAddict

Continue Reading »]]> Fri, 17 May 2013 19:16:33 PDT http://www.instructables.com/answers/where-can-a-step-upstep-down-transformer-be-used/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nerd7473 I want to know, I am just curious where a combined transformer would be used.
By: nerd7473

Continue Reading »]]> Fri, 17 May 2013 19:07:03 PDT http://www.instructables.com/answers/why-does-the-lcd-shows-the-old-value-after-I-make-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif dndanah1 Hello, my project is a Real Time Digital Clock I'm using LCD 16x 2 with DS1307 connected with pic18f4550 when i burn the code to the circuit it shows the time correctly but when i make the power off then make it ON it shows the previous code which is not correctly ! How can i fix this ? shall i us...
By: dndanah1

Continue Reading »]]> Fri, 17 May 2013 10:45:18 PDT http://www.instructables.com/answers/Anyway-I-can-use-two-or-more-SPST-relays-function-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Wisaam I have got many SPST relays but no SPDT ones. The project that I am making requires SPDT relays, so is there anyway I can connect two or more SPST relays that could possibly function as a SPDT relay, by that I mean, a SPST relay turns on another circuit when the coil is energized, but is there anywa...
By: Wisaam

Continue Reading »]]> Fri, 17 May 2013 04:57:14 PDT http://www.instructables.com/answers/Why-cant-I-use-all-of-my-computers-memory/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif usmc94 I have 16gb installed in my asus M5A97 and in system properties it says only 7.95 is usable. Why is this? The max memory for my board is 32 gb.  
By: usmc94

Continue Reading »]]> Thu, 16 May 2013 22:41:34 PDT http://www.instructables.com/answers/What-is-this-audio-jack-called/ http://www.instructables.com/files/deriv/FUZ/7LJY/HGO9IRWU/FUZ7LJYHGO9IRWU.SQUARE2.jpg http://www.instructables.com/files/deriv/FUZ/7LJY/HGO9IRWU/FUZ7LJYHGO9IRWU.SQUARE.jpg http://www.instructables.com/files/deriv/FUZ/7LJY/HGO9IRWU/FUZ7LJYHGO9IRWU.SMALL.jpg techno guy What is the name or what kind of audio jack is this? It would be nice to know because I have a walkie talkie that uses this connection.
By: techno guy

Continue Reading »]]> Thu, 16 May 2013 21:40:42 PDT http://www.instructables.com/answers/samsung-galaxy-data-transfer/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rons22 I want to transfer #'s from my samsung flip phone to my Galaxy
By: rons22

Continue Reading »]]> Thu, 16 May 2013 21:08:41 PDT http://www.instructables.com/answers/How-can-I-make-my-game-windowed/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif knexpert1700 I downloaded AssaultCube thinking it was similar to any other FPS game and like every other one it is a full screen. It is a pretty good game but I would like to know if I can somehow make it in a window. This is annoying on my games so if maybe I want to search something I have to Ctrl+Esc and wait...
By: knexpert1700

Continue Reading »]]> Thu, 16 May 2013 18:34:58 PDT http://www.instructables.com/answers/tv-out-arduino-code-stops/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 I recently wrote some code for an arduinio to read an encoder and display it via RCA.  Problem is, it sometimes freezes on a blank screen when I'm turning the encoder.  Any ideas why? the code is below.  And yes, I know that the interrupts mess with the signal and it flickers, I want to know why it ...
By: jduffy54

Continue Reading »]]> Thu, 16 May 2013 18:17:14 PDT http://www.instructables.com/answers/What-capacitor-size-or-what-electrical-setup-can-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Kourage Hello guys, it's my first time here and I really need help. I am working on a system that produces 115VDC. Can someone help me with the size of capacitor or electrical setup I need to store the said 115VDC to supply a 110 AC/DC electric motor for 1 minute or minimum of 40secs? Also, I'll appreciate ...
By: Kourage

Continue Reading »]]> Thu, 16 May 2013 16:46:19 PDT http://www.instructables.com/answers/Laptop-question-is-it-dead/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Kiteman Roger-X's (Windows) laptop is playing up. When he powers it up, nothing happens on the screen at all - no messages,blinking cursors etc. You can hear the hard drive spinning up, and the computer makes a repetitive beeeeep, beep-beep, beeeeep, beep-beep, which continues until you kill the laptop by ...
By: Kiteman

Continue Reading »]]> Thu, 16 May 2013 08:33:52 PDT http://www.instructables.com/answers/What-is-the-difference-between-a-single-and-multi-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif legend4930
By: legend4930

Continue Reading »]]> Thu, 16 May 2013 01:17:31 PDT http://www.instructables.com/answers/About-the-drone-contest/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Bauwser I read in the desciption for this contest: Individuals and small groups (from universities and hackerspaces) will be creating projects around airborne autonomous and radio controlled vehicles. So does it only count if you enter with an instructable for a flying autonomous vehicle or does any kind of...
By: Bauwser

Continue Reading »]]> Wed, 15 May 2013 09:09:44 PDT http://www.instructables.com/answers/What-stimuli-does-a-combat-robot-needs-to-respond-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Wisaam Asking so that I can make the right sensors for it, it's a wheeled robot, not humanoid, and the robot it'll be fighting with will also be a wheeled one.
By: Wisaam

Continue Reading »]]> Wed, 15 May 2013 04:50:45 PDT http://www.instructables.com/answers/Acrylic-car-paint/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rickharris Is the water based acrylic paint my car is painted with essentially the same as the artist acrylic paint I paint pictures with?
By: rickharris

Continue Reading »]]> Wed, 15 May 2013 04:22:41 PDT http://www.instructables.com/answers/Cheap-phono-preamp/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I have a record player which I would really like to play through my home entertainment system. So I need a phono preamp to run it through. Does anyone have instructions on how I could make one or where I can get one really cheap?
By: David97

Continue Reading »]]> Wed, 15 May 2013 01:35:28 PDT http://www.instructables.com/answers/increase-analog-read-resolution-arduino/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 Is there a simple, hardware based way to use two analogRead pins on an arduino together for higher resolution?  I have a project that only needs two analog values, but the more accurate the value the better.  I do NOT want an external ADC, I am aware they exist, but I don't have time to get it shipp...
By: jduffy54

Continue Reading »]]> Tue, 14 May 2013 15:42:12 PDT http://www.instructables.com/answers/ADC-VssVdd-on-PICsAVRARM-is-ok-too-for-externa/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif pmlemes Hello, i'm trying to read analog voltages from an external source such as bench supplys and sensors. I can read voltages from withing the PIC's board, 5v, 3.3v...  But if i try using an external power supply i can't read. If i just probe the (+) wire, i can't read...if i plug the (-) wire in the g...
By: pmlemes

Continue Reading »]]> Tue, 14 May 2013 09:00:20 PDT http://www.instructables.com/answers/How-do-I-know-the-grade-of-a-magnet/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Power-Inside I salvaged two identical neodymium magnets from an old CD rom drive. They're really strong and I suspect it to be neodymium, but is there any way to ascertain the "grade" of this magnet? Neodymium grades go like N35, N33,  etc...
By: Power-Inside

Continue Reading »]]> Tue, 14 May 2013 07:51:21 PDT http://www.instructables.com/answers/the-speaker-on-my-iHome-is-squealing-MAKE-IT-STOP/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif codongolev I recently acquired an ihome from a friend. the reason he gave it to me (like so many others) is because I am fairly handy and people know I can fix stuff, and this particular device emitted an irritating squeal. when you turn it on, it has a (fairly loud) high-pitched squeal that sounds not unlike ...
By: codongolev

Continue Reading »]]> Mon, 13 May 2013 18:19:53 PDT http://www.instructables.com/answers/solar-panels-of-different-voltage-5-off/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif wuttheheeck made a usb charger and have 3 solar panels to use. 1x   5.5v 320ma 2x  6v 250ma right now i have them in parallel charging my usb device.  do the 6v panels draw current away from the 5.5v? would it be more efficient to just use the 6v's?
By: wuttheheeck

Continue Reading »]]> Mon, 13 May 2013 16:31:25 PDT http://www.instructables.com/answers/Is-there-a-way-to-organize-my-ible-image-library/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mole1 Is there a way to group images in my library? Is there a way rename or re- tag them?
By: mole1

Continue Reading »]]> Mon, 13 May 2013 11:54:41 PDT http://www.instructables.com/answers/how-can-i-make-about-4-phone-chargers-directly-fro/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Sheen Amon suppose I have got 4 cellphone of which each charges at 5.0V. and 500Am how can i design a 4x(+& -) branches where I can connect my charging pins? the solar panel produces 24V and 20 watts. Now I know 5.0vx4 is equals 20V means i have sufficient voltage. also voltage out = {(R2x volt(in)} / {R1+R2}....
By: Sheen Amon

Continue Reading »]]> Mon, 13 May 2013 11:03:49 PDT http://www.instructables.com/answers/where-can-i-buy-arduino-related-staff-in-geneva/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif malkindy i an on quick visit to geneva Switzerland where can i but arduino related product as i am on short visit here ? regards  
By: malkindy

Continue Reading »]]> Mon, 13 May 2013 11:03:41 PDT http://www.instructables.com/answers/Why-do-we-connect-Grounds-when-connecting-while-h/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Mikuchan I am learning how to Hack Wheelchair joysticks and other simple controllers.. problem is I don't understand "Why do we connect Grounds of the controller and Arduino in these cases ?" Like here (example A): http://mowstation.blogspot.com/2011/09/how-to-wire-up-joystick.html and here (example B): ht...
By: Mikuchan

Continue Reading »]]> Mon, 13 May 2013 11:03:16 PDT