Instructables: exploring - technology - technologies http://www.instructables.com Sun, 26 Mar 2017 20:33:09 PDT BLOX v1.01 Calculating Resistor Values for LEDs in Series http://www.instructables.com/id/Calculating-Resistor-Values-for-LEDs-in-Series/
Calculating Resistor Values for LEDs in Series - More DIY How To Projects]]> https://cdn.instructables.com/FA4/6E28/HYZX8SZE/FA46E28HYZX8SZE.SQUARE2.jpg https://cdn.instructables.com/FA4/6E28/HYZX8SZE/FA46E28HYZX8SZE.SQUARE.jpg https://cdn.instructables.com/FA4/6E28/HYZX8SZE/FA46E28HYZX8SZE.SMALL.gif A_Teacher R = ( VS - ( VL x n )) / I The calculation of how a resistor reduces Voltage (pressure), is very important in electronics. The value of the correct Resistor for LEDs in Series is the Supply Voltage (pressure) ...
By: A_Teacher

Sun, 17 Aug 2014 05:54:57 PDT
555 RGB Rainbow LED Driver (NOT using a 4029) http://www.instructables.com/id/RGB-Rainbow-LED-Driver-An-Alternative-NOT-done-wit/
555 RGB Rainbow LED Driver (NOT using a 4029) - More DIY How To Projects]]> https://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SQUARE2.jpg https://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SQUARE.jpg https://cdn.instructables.com/FCD/RYOQ/HYZX8683/FCDRYOQHYZX8683.SMALL.gif A_Teacher | A_Teacher |Ok, so as far as I can tell, this is a unique brand NEW design.Calling all Space Cadets: As a way of motivating folks to make the project, I am currently giving away a 3 month Instructables Pro Membership to the first person that makes it (on a PCB) and posts their photographs by clic...
By: A_Teacher

Thu, 14 Aug 2014 04:48:27 PDT
Interactive Quilt http://www.instructables.com/id/Interactive-Quilt/
Interactive Quilt - More DIY How To Projects]]> https://cdn.instructables.com/FAH/GYON/HFSH595I/FAHGYONHFSH595I.SQUARE2.jpg https://cdn.instructables.com/FAH/GYON/HFSH595I/FAHGYONHFSH595I.SQUARE.jpg https://cdn.instructables.com/FAH/GYON/HFSH595I/FAHGYONHFSH595I.SMALL.jpg kncjdavis This project is a hanging, interactive quilt for my 8 year-old daughter.  Each section of the quilt requires her to do something to activate either the lights or the sounds.   Materials Needed For Quilt: Fabric -5 colors for background -Backing & binding (about 1 yard) -flowers -leaves -clouds -f...
By: kncjdavis

Wed, 1 May 2013 21:06:14 PDT
How to verify if a power supply is out of order / Comment verifier si une alimentation est HS http://www.instructables.com/id/How-to-verify-if-a-power-supply-is-out-of-order-/
How to verify if a power supply is out of order / Comment verifier si une alimentation est HS - More DIY How To Projects]]> https://cdn.instructables.com/FGZ/TLPT/GWOSAN20/FGZTLPTGWOSAN20.SQUARE2.jpg https://cdn.instructables.com/FGZ/TLPT/GWOSAN20/FGZTLPTGWOSAN20.SQUARE.jpg https://cdn.instructables.com/FGZ/TLPT/GWOSAN20/FGZTLPTGWOSAN20.SMALL.jpg Sydneysyd In this document, we are going to verify if a PC Power Supply is still good. What you need: - A paper clip - The Power Cable. - The power supply - Electricity ! ___________________________________________________________________________ Dans ce document nous allons voir comment vérifier que votre...
By: Sydneysyd

Wed, 28 Dec 2011 07:13:41 PST
USB Biofeedback Game Controller http://www.instructables.com/id/USB-Biofeedback-Game-Controller/
USB Biofeedback Game Controller - More DIY How To Projects]]> https://cdn.instructables.com/FWN/RYX6/GW3WR9I9/FWNRYX6GW3WR9I9.SQUARE2.jpg https://cdn.instructables.com/FWN/RYX6/GW3WR9I9/FWNRYX6GW3WR9I9.SQUARE.jpg https://cdn.instructables.com/FWN/RYX6/GW3WR9I9/FWNRYX6GW3WR9I9.SMALL.jpg Gundanium Building upon our last tutorial, which taught you how to build a muscle sensor, we've decided to give you a project that really showcases the power of our muscle (EMG) sensors. Advancer Technologies’ “USB Biofeedback Game Controller” harnesses the power of electromyography to allow players to direct...
By: Gundanium