Instructables: exploring - technology - 555 http://www.instructables.com Thu, 17 Apr 2014 15:35:51 PDT BLOX v1.01 How to make a beating heart with LEDs http://www.instructables.com/id/How-to-make-a-beating-heart-with-LEDs/
How to make a beating heart with LEDs - More DIY How To Projects]]> http://cdn.instructables.com/FME/WHGC/HTBIX8D3/FMEWHGCHTBIX8D3.SQUARE2.jpg http://cdn.instructables.com/FME/WHGC/HTBIX8D3/FMEWHGCHTBIX8D3.SQUARE.jpg http://cdn.instructables.com/FME/WHGC/HTBIX8D3/FMEWHGCHTBIX8D3.SMALL.jpg abu7li Hi there, this my first try to add somthing to the site, it might not be that good, but next time it will be better :) My wife asked me once to make something for her using LEDs will i guess i made the right thing for her :) the project is quite simple to make. all you need is a set of  LEDs, 555 ...
By: abu7li

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Fri, 28 Mar 2014 11:29:05 PDT
Three in One: IC/ Continuity Tester, & Signal Generator http://www.instructables.com/id/Three-in-One-IC-Continuity-Tester-Signal-Generator/
Three in One: IC/ Continuity Tester, & Signal Generator - More DIY How To Projects]]> http://cdn.instructables.com/F4M/8RKU/HRSMYTYF/F4M8RKUHRSMYTYF.SQUARE2.jpg http://cdn.instructables.com/F4M/8RKU/HRSMYTYF/F4M8RKUHRSMYTYF.SQUARE.jpg http://cdn.instructables.com/F4M/8RKU/HRSMYTYF/F4M8RKUHRSMYTYF.SMALL.gif russ_hensel When building with integrated circuits most of us spend a good deal of time trouble shooting.  Under these circumstances ( as well as others ) it is nice to know that the chips are working.  This tester checks 4 different types of integrated circuits ( 555 Timer, single op amps, dual op amps, and qu...
By: russ_hensel

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Wed, 19 Feb 2014 06:53:35 PST
The Best and Easiest Way to Drive your Flyback http://www.instructables.com/id/The-Best-and-Easiest-Way-to-Drive-your-Flyback/
The Best and Easiest Way to Drive your Flyback - More DIY How To Projects]]> http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE2.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SQUARE.jpg http://cdn.instructables.com/F7C/A40S/HR3EF6RK/F7CA40SHR3EF6RK.SMALL.jpg corbonzo In this instructable I'll be showing you a super simply way to drive your flybacks! because i know for a fact that I'm tired of transistor type drivers and even the ZVS's are a pain. So get ready for this because I'm sure it'll make you excited as it did for me! heres my video tutorial for some mo...
By: corbonzo

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Fri, 31 Jan 2014 20:32:23 PST
The Beeper http://www.instructables.com/id/The-Beeper/
The Beeper - More DIY How To Projects]]> http://cdn.instructables.com/F6V/17LL/HQOJJIV7/F6V17LLHQOJJIV7.SQUARE2.jpg http://cdn.instructables.com/F6V/17LL/HQOJJIV7/F6V17LLHQOJJIV7.SQUARE.jpg http://cdn.instructables.com/F6V/17LL/HQOJJIV7/F6V17LLHQOJJIV7.SMALL.jpg Ploopy A little device that constantly beeps. Explenation If you turn the pointiometer (Variable Resistor) the beeping will go faster/slower. Materials 1. 555 timer chip2. 220r resistor3. 50k variable resistor4. 36uf capacitor5. 5v piezo beeper6. breadboard Hook Up Now you just build the circuit f...
By: Ploopy

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Tue, 21 Jan 2014 02:01:51 PST
Another Chemical Agitator http://www.instructables.com/id/Another-Chemical-Agitator/
Another Chemical Agitator - More DIY How To Projects]]> http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SQUARE2.jpg http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SQUARE.jpg http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SMALL.jpg TSJWang Hi Instructables,Over the past years I have been making PCBs by just watching it etch away. Sometimes I would heat up the chemicals in the microwave, jiggle it around manually, use a stirrer, or a straw to facilitate the etching process. You all probably know that by agitating the etchant, it etches...
By: TSJWang

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Sat, 18 Jan 2014 09:50:43 PST
Auto-Off Flashlight http://www.instructables.com/id/Auto-Off-Flashlight/
Auto-Off Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/FH9/EKQA/HPJOJ3XZ/FH9EKQAHPJOJ3XZ.SQUARE2.jpg http://cdn.instructables.com/FH9/EKQA/HPJOJ3XZ/FH9EKQAHPJOJ3XZ.SQUARE.jpg http://cdn.instructables.com/FH9/EKQA/HPJOJ3XZ/FH9EKQAHPJOJ3XZ.SMALL.jpg jim_2000 The Auto-Off Flashlight  is a battery powered flashlight that turns on by shaking and stays on at full brightness for seven minutes then automatically turns off.  The light can be reset by shaking the flashlight at any time.  Its based on a low power CMOS 555 timer and a MOSFET switch.  The current ...
By: jim_2000

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Sun, 22 Dec 2013 05:37:52 PST
Do It Yourself Lab Ware http://www.instructables.com/id/Do-It-Yourself-Lab-Ware/
Do It Yourself Lab Ware - More DIY How To Projects]]> http://cdn.instructables.com/F3I/HOK1/HOUFPZBV/F3IHOK1HOUFPZBV.SQUARE2.jpg http://cdn.instructables.com/F3I/HOK1/HOUFPZBV/F3IHOK1HOUFPZBV.SQUARE.jpg http://cdn.instructables.com/F3I/HOK1/HOUFPZBV/F3IHOK1HOUFPZBV.SMALL.jpg KRA5H This DIY lab ware Instructable was written for Tekla Labs, whose "mission is to empower scientists all over the world to build their own research infrastructure." These DIY lab ware are from a series of articles I've written for my column The Square Root of Not (http://www.science20.com/square_root_...
By: KRA5H

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Thu, 12 Dec 2013 09:24:36 PST
WIRELESS 555 timer mouse modification http://www.instructables.com/id/WIRELESS-555-timer-mouse-modification/
WIRELESS 555 timer mouse modification - More DIY How To Projects]]> http://cdn.instructables.com/F04/6LIX/HMMF0XNZ/F046LIXHMMF0XNZ.SQUARE2.jpg http://cdn.instructables.com/F04/6LIX/HMMF0XNZ/F046LIXHMMF0XNZ.SQUARE.jpg http://cdn.instructables.com/F04/6LIX/HMMF0XNZ/F046LIXHMMF0XNZ.SMALL.jpg TSJWang First of all, my blog/the original. Second of all, I would like to mention how easy Instructables is to use. It's just so much easier to give instructions when you can label your pictures and answer comments. Lets get to business... A couple years ago I followed this instructable: Add a rapid-fir...
By: TSJWang

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Sat, 12 Oct 2013 14:14:20 PDT
Run HDD spindle motor using IC 555 + 4017 + L293D http://www.instructables.com/id/Run-HDD-spindle-motor-using-IC-555-4017-L293D/
Run HDD spindle motor using IC 555 + 4017 + L293D - More DIY How To Projects]]> http://cdn.instructables.com/FP8/COEY/HMEXWJ9A/FP8COEYHMEXWJ9A.SQUARE2.jpg http://cdn.instructables.com/FP8/COEY/HMEXWJ9A/FP8COEYHMEXWJ9A.SQUARE.jpg http://cdn.instructables.com/FP8/COEY/HMEXWJ9A/FP8COEYHMEXWJ9A.SMALL.jpg hrishi_p Hello All, Here I have tried to run the hard disk with IC 555 and IC 4017 and motor controller IC L293D The idea is simple , Hard disk motor requires 3 shifted pulses to run.You can get information about the stepper motor and running machanism in some other article of instructible. Requirement   - 1...
By: hrishi_p

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Sun, 6 Oct 2013 02:55:38 PDT
Dub siren http://www.instructables.com/id/Dub-siren/
Dub siren - More DIY How To Projects]]> http://cdn.instructables.com/FZD/ILJJ/HM8DAX4X/FZDILJJHM8DAX4X.SQUARE2.jpg http://cdn.instructables.com/FZD/ILJJ/HM8DAX4X/FZDILJJHM8DAX4X.SQUARE.jpg http://cdn.instructables.com/FZD/ILJJ/HM8DAX4X/FZDILJJHM8DAX4X.SMALL.jpg normanbates We still have some 555s left from the jameco box, so we decided to go with a dub siren.  The dub siren is a fairly simple circuit, ideal for a beginner project.  It makes a myriad of bleeps and sci fi sounds -along with the classic police siren- and, like everything dub, it taste better soaked in de...
By: normanbates

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Tue, 1 Oct 2013 00:25:42 PDT
Simple POV Blinking leds http://www.instructables.com/id/Simple-POV-Blinking-leds/
Simple POV Blinking leds - More DIY How To Projects]]> http://cdn.instructables.com/F0R/NJXO/HM8DAVZV/F0RNJXOHM8DAVZV.SQUARE2.jpg http://cdn.instructables.com/F0R/NJXO/HM8DAVZV/F0RNJXOHM8DAVZV.SQUARE.jpg http://cdn.instructables.com/F0R/NJXO/HM8DAVZV/F0RNJXOHM8DAVZV.SMALL.jpg normanbates The nice people of Jameco (www.jameco.com) send us a box full of components.  The omnipresent 555 was there, and so a bunch of leds.  Lets make some blinking ligths then! The circuit Here you can download the fritzing file for the circuit.  Its just a simple oscillator with a 555 in astable ...
By: normanbates

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Mon, 30 Sep 2013 22:55:35 PDT
555 timer flashing led circuit http://www.instructables.com/id/555-timer-flashing-led-circuit/
555 timer flashing led circuit - More DIY How To Projects]]> http://cdn.instructables.com/F9C/JQE0/HLZGT9BG/F9CJQE0HLZGT9BG.SQUARE2.jpg http://cdn.instructables.com/F9C/JQE0/HLZGT9BG/F9CJQE0HLZGT9BG.SQUARE.jpg http://cdn.instructables.com/F9C/JQE0/HLZGT9BG/F9CJQE0HLZGT9BG.SMALL.jpg geekfreak42 Simple 55 timer circuit built for the august Jameco build night. simply take a 555ic, 3 resistors a capacitor and wire as shown. 555 led flasher Simple circuit from the jameco build night. 555 timer ic 2x 1k resistors 1x 470k resistor 1 led. 1uF Capacitor Wire As Shown null
By: geekfreak42

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Tue, 24 Sep 2013 15:04:47 PDT
Chicken Theremin http://www.instructables.com/id/Chicken-Theremin/
Chicken Theremin - More DIY How To Projects]]> http://cdn.instructables.com/FCV/2WXK/HLY7C8GP/FCV2WXKHLY7C8GP.SQUARE2.jpg http://cdn.instructables.com/FCV/2WXK/HLY7C8GP/FCV2WXKHLY7C8GP.SQUARE.jpg http://cdn.instructables.com/FCV/2WXK/HLY7C8GP/FCV2WXKHLY7C8GP.SMALL.jpg tinyweasel We made this chicken as part of the Instructables August Build night with Jameco. Our makerspace is called Make Shop, we're in Dublin and we're part of the Science Gallery. Since Jameco were nice enough to give us some 555 timers, we thought it would be cool to use them to make some crazy noises. We...
By: tinyweasel

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Mon, 23 Sep 2013 16:46:44 PDT
Driv'in Me Batty http://www.instructables.com/id/Drivin-Me-Batty/
Driv'in Me Batty - More DIY How To Projects]]> http://cdn.instructables.com/FY3/GFPB/HLSGZT46/FY3GFPBHLSGZT46.SQUARE2.jpg http://cdn.instructables.com/FY3/GFPB/HLSGZT46/FY3GFPBHLSGZT46.SQUARE.jpg http://cdn.instructables.com/FY3/GFPB/HLSGZT46/FY3GFPBHLSGZT46.SMALL.jpg ray74 I have always thought it would be really cool to have a bunch of bats helping to make the Halloween decorations a little more fun. They would be even more cool if they had flashing red eyes like you sometimes see in movies. This project shows how I did just that. Collect your tools and parts Key ...
By: ray74

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Thu, 19 Sep 2013 23:27:52 PDT
Automated Electrochemistry Setup http://www.instructables.com/id/Automated-Electrochemistry-Setup/
Automated Electrochemistry Setup - More DIY How To Projects]]> http://cdn.instructables.com/F2W/50AP/HLJUZUDU/F2W50APHLJUZUDU.SQUARE2.jpg http://cdn.instructables.com/F2W/50AP/HLJUZUDU/F2W50APHLJUZUDU.SQUARE.jpg http://cdn.instructables.com/F2W/50AP/HLJUZUDU/F2W50APHLJUZUDU.SMALL.jpg LostRite This is a guide for how to fix an electrochemistry instrument for performing cyclic voltammetry and rotating disc electrode techniques. The instrument modification I am demonstrating is very particular to a specific instrument but the modification device can be used in a multitude of different appli...
By: LostRite

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Sun, 15 Sep 2013 14:12:12 PDT
PWM dimmer using NE555 and MOSFET with DIY aluminium case. http://www.instructables.com/id/PWM-dimmer-using-NE555-and-MOSFET-with-DIY-alumini/
PWM dimmer using NE555 and MOSFET with DIY aluminium case. - More DIY How To Projects]]> http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SQUARE2.jpg http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SQUARE.jpg http://cdn.instructables.com/F9J/RQGO/HLIDBXFL/F9JRQGOHLIDBXFL.SMALL.jpg Jestin_Cubetech  a low cost PWM dimmer  using  NE555 and MOSFET  with DIY aluminium case. aluminum case from Aluminum Square Tube. aluminum case  has dual role. first one is            protection cover. and second is    heat sink for MOSFET. Drilling holes POT fixing on aluminum case. MOSFET fixing. ...
By: Jestin_Cubetech

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Fri, 13 Sep 2013 04:31:25 PDT
Basic 555 Timer LED Flasher Circuit http://www.instructables.com/id/Basic-555-Timer-LED-Flasher-Circuit/
Basic 555 Timer LED Flasher Circuit - More DIY How To Projects]]> http://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SQUARE2.jpg http://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SQUARE.jpg http://cdn.instructables.com/F84/ORHJ/HL5EMEDU/F84ORHJHL5EMEDU.SMALL.jpg concoctory From our build night sponsored by Jameco, this is a fairly basic and common 555 LED Flasher Circuit. Component values may be different but the basic function of a 555 IC is as an oscillator. Required Componenets 1 - 555 Timer IC 2 - 1kohm Resistors 1 - 470kohm Resistor 1 - LED of ...
By: concoctory

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Thu, 12 Sep 2013 20:59:21 PDT
555 Noise Maker http://www.instructables.com/id/555-Noise-Maker/
555 Noise Maker - More DIY How To Projects]]> http://cdn.instructables.com/FBS/L0UU/HLA1V1PM/FBSL0UUHLA1V1PM.SQUARE2.jpg http://cdn.instructables.com/FBS/L0UU/HLA1V1PM/FBSL0UUHLA1V1PM.SQUARE.jpg http://cdn.instructables.com/FBS/L0UU/HLA1V1PM/FBSL0UUHLA1V1PM.SMALL.jpg slackmasterstan This project was created for our Jameco/Instructables 555 build night at my makerspace, GeeksOK.  Things weren't so successful at first.  We had a poor selection of capacitors, assumed we could wing it, and everyone was short on sleep.  So we managed to get our projects pieced together over the next...
By: slackmasterstan

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Sun, 8 Sep 2013 15:35:45 PDT
Running LEDs With 555, 74163, 74138 And 74240 http://www.instructables.com/id/Running-LEDs-With-555-74163-74138-And-74240/
Running LEDs With 555, 74163, 74138 And 74240 - More DIY How To Projects]]> http://cdn.instructables.com/FXI/NFMM/HKZ9LOHP/FXINFMMHKZ9LOHP.SQUARE2.jpg http://cdn.instructables.com/FXI/NFMM/HKZ9LOHP/FXINFMMHKZ9LOHP.SQUARE.jpg http://cdn.instructables.com/FXI/NFMM/HKZ9LOHP/FXINFMMHKZ9LOHP.SMALL.jpg zerblatt007 I wanted to make a quick project with a 555 timer and see if I could use it as a clock for some running LEDs using the 74 series ICs. This would of course be a perfect arduino project, but it is also nice to know how to do this without any programming. TTL ICs from the 74 series are easy to pull ou...
By: zerblatt007

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Sun, 8 Sep 2013 05:58:54 PDT
Blinking Bicycle LED Light using 555 w/ case http://www.instructables.com/id/Blinking-Bicycle-LED-Light-using-555-w-case/
Blinking Bicycle LED Light using 555 w/ case - More DIY How To Projects]]> http://cdn.instructables.com/F0X/YFLE/HLA1UVM7/F0XYFLEHLA1UVM7.SQUARE2.jpg http://cdn.instructables.com/F0X/YFLE/HLA1UVM7/F0XYFLEHLA1UVM7.SQUARE.jpg http://cdn.instructables.com/F0X/YFLE/HLA1UVM7/F0XYFLEHLA1UVM7.SMALL.jpg wazzabi This is a project developed during our "Taller de Inventos" (AKA August Build Night), sponsored by Instructables and Jameco, that provided some of the components for this instructable. It's a LED light originally conceived as an accesory for cyclists, but it could be used for any purpose. The frequ...
By: wazzabi

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Sat, 7 Sep 2013 12:51:23 PDT
PetSafe Pet Barrier Transmitter http://www.instructables.com/id/PetSafe-Pet-Barrier-Transmitter/
PetSafe Pet Barrier Transmitter - More DIY How To Projects]]> http://cdn.instructables.com/F5S/G2U4/HKVKZ49U/F5SG2U4HKVKZ49U.SQUARE2.jpg http://cdn.instructables.com/F5S/G2U4/HKVKZ49U/F5SG2U4HKVKZ49U.SQUARE.jpg http://cdn.instructables.com/F5S/G2U4/HKVKZ49U/F5SG2U4HKVKZ49U.SMALL.jpg whyameye Most pet owners are familiar with the concept of a wireless pet containment system: the animal wears a "shock" collar; when the animal is too near an antenna of a transmitter, the animal gets warned with a vibration or beep, then shocked. Typically, the antenna to the transmitter outlines the perime...
By: whyameye

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Mon, 2 Sep 2013 20:04:36 PDT
555 Timer, Variable Blinking Light http://www.instructables.com/id/555-Timer-Variable-Blinking-Light/
555 Timer, Variable Blinking Light - More DIY How To Projects]]> http://cdn.instructables.com/FM0/R8AC/HKVLM1D4/FM0R8ACHKVLM1D4.SQUARE2.jpg http://cdn.instructables.com/FM0/R8AC/HKVLM1D4/FM0R8ACHKVLM1D4.SQUARE.jpg http://cdn.instructables.com/FM0/R8AC/HKVLM1D4/FM0R8ACHKVLM1D4.SMALL.jpg chrwei Thank's to the Instructables Build Night sponsored by http://www.jameco.com/, hosted at http://archreactor.org/, I bring you a 555 timer based project that blinks an LED at a rate that's affected by the intensity of the light in the room! Things you need: - breadboard - 9V battery - LED - couple of...
By: chrwei

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Wed, 28 Aug 2013 17:34:43 PDT
Turn signal using 555 timer http://www.instructables.com/id/Turn-signal-using-555-timer/
Turn signal using 555 timer - More DIY How To Projects]]> http://cdn.instructables.com/FMU/MU4R/HKPXBMD1/FMUMU4RHKPXBMD1.SQUARE2.jpg http://cdn.instructables.com/FMU/MU4R/HKPXBMD1/FMUMU4RHKPXBMD1.SQUARE.jpg http://cdn.instructables.com/FMU/MU4R/HKPXBMD1/FMUMU4RHKPXBMD1.SMALL.jpg MattBruzer A 555 timer is a very popular integrated circuit (chip) that can be used to provide time delays (timer).  The chip contains many transistors, diodes and resistors, including three 5k resistors which is how it got its name. Programmable microcontrollers like the Arduino and the Propeller are very us...
By: MattBruzer

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Mon, 26 Aug 2013 08:15:03 PDT
555 DC Motor Speed Control http://www.instructables.com/id/555-DC-Motor-Speed-Control/
555 DC Motor Speed Control - More DIY How To Projects]]> http://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SQUARE2.jpg http://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SQUARE.jpg http://cdn.instructables.com/F61/GRTE/HK6XAXIY/F61GRTEHK6XAXIY.SMALL.jpg gavargas This is a pretty cool circuit that allows you to control the speed a DC motor of considerable size! This circuit was made as part of the Jameco and Instructables Hacknight Hosted by H3 Laboratories in El Paso Texas Jameco sent us a grab bag of awesome components that we put into use right away! Bi...
By: gavargas

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Sun, 25 Aug 2013 21:13:29 PDT
555Synth http://www.instructables.com/id/555Synth/
555Synth - More DIY How To Projects]]> http://cdn.instructables.com/F32/EWQ7/HKPWSMY7/F32EWQ7HKPWSMY7.SQUARE2.jpg http://cdn.instructables.com/F32/EWQ7/HKPWSMY7/F32EWQ7HKPWSMY7.SQUARE.jpg http://cdn.instructables.com/F32/EWQ7/HKPWSMY7/F32EWQ7HKPWSMY7.SMALL.jpg DriesDR This project was created during an Instructables Build Night (in collaboration with Jameco) at Open Garage. Using a 555 timer chip, a couple of synths were created, using different capacitor and resistor values. The project uses a variable resistor to change the synth pitch. Build the basic circui...
By: DriesDR

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Sun, 25 Aug 2013 14:06:41 PDT
Thankful donation jar http://www.instructables.com/id/Thankful-donation-jar/ http://cdn.instructables.com/FRL/AD39/HKM8YVPU/FRLAD39HKM8YVPU.SQUARE2.jpg http://cdn.instructables.com/FRL/AD39/HKM8YVPU/FRLAD39HKM8YVPU.SQUARE.jpg http://cdn.instructables.com/FRL/AD39/HKM8YVPU/FRLAD39HKM8YVPU.SMALL.jpg taipeihackerspace This instructable is part of the August Build Night with Jameco at the Taipei Hackerspace. During that event we were making circuits around the 555 timer IC, one basic and fun element of the electronics hacker repertoire, that have a lot of uses and very valuable to know its operation in general. W...
By: taipeihackerspace

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Wed, 21 Aug 2013 20:07:50 PDT
Annoying screaming light http://www.instructables.com/id/Annoying-screaming-light/ http://cdn.instructables.com/F0N/M9LR/HKJTDUML/F0NM9LRHKJTDUML.SQUARE2.jpg http://cdn.instructables.com/F0N/M9LR/HKJTDUML/F0NM9LRHKJTDUML.SQUARE.jpg http://cdn.instructables.com/F0N/M9LR/HKJTDUML/F0NM9LRHKJTDUML.SMALL.jpg taipeihackerspace This instructable is part of the August Build Night with Jameco at the Taipei Hackerspace. During that event we were making circuits around the 555 timer IC, one basic and fun element of the electronics hacker repertoire, that have a lot of uses and very valuable to know its operation in general. T...
By: taipeihackerspace

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Tue, 20 Aug 2013 02:06:00 PDT
Ticking bomb package http://www.instructables.com/id/Ticking-bomb-package/
Ticking bomb package - More DIY How To Projects]]> http://cdn.instructables.com/F83/9YGW/HKJRZEM2/F839YGWHKJRZEM2.SQUARE2.jpg http://cdn.instructables.com/F83/9YGW/HKJRZEM2/F839YGWHKJRZEM2.SQUARE.jpg http://cdn.instructables.com/F83/9YGW/HKJRZEM2/F839YGWHKJRZEM2.SMALL.jpg taipeihackerspace This instructable is part of the August Build Night with Jameco at the Taipei Hackerspace. During that event we were making circuits around the 555 timer IC, one basic and fun element of the electronics hacker repertoire, that have a lot of uses and very valuable to know its operation in general. F...
By: taipeihackerspace

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Tue, 20 Aug 2013 01:28:03 PDT
Varicap Controlled 555 Oscillator and Varicap Diode Tutorial http://www.instructables.com/id/Varactor-Controlled-555-Oscillator-and-Varactor-Di/
Varicap Controlled 555 Oscillator and Varicap Diode Tutorial - More DIY How To Projects]]> http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SQUARE2.jpg http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SQUARE.jpg http://cdn.instructables.com/FRC/2GUY/HK1DG16E/FRC2GUYHK1DG16E.SMALL.jpg gavargas I ordered some Varicap Diodes for radio experiments but decided to learn how to use them by making a Varicap LED 555 Flasher. You should think of getting Varicaps they are really fascinating. My Hackerspace got an awesome package of really awesome Electronics Components, among them several 555 whic...
By: gavargas

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Mon, 12 Aug 2013 15:56:38 PDT
555 Timer IC/ Flasher Circuit http://www.instructables.com/id/555-Timer-IC-Flasher-Circuit/
555 Timer IC/ Flasher Circuit - More DIY How To Projects]]> http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SQUARE2.jpg http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SQUARE.jpg http://cdn.instructables.com/FPW/GJ6X/HJ5ZT8Q0/FPWGJ6XHJ5ZT8Q0.SMALL.jpg nick_rivera How to make a simple circuit that flashes an LED using the 555 Timer IC What you will need: -555 Timer -Capacitor(Different values will change the flashing speed) -Resistors ( 1x10kΩ ,  2x1kΩ ) -LED -5v Regulator -Jumpers  -9v Battery -9v Battery Clip Tools: -Solderless Breadboard -Wire clippers ...
By: nick_rivera

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Tue, 23 Jul 2013 08:14:11 PDT
555 Timer http://www.instructables.com/id/555-Timer-1/
555 Timer - More DIY How To Projects]]> http://cdn.instructables.com/F5V/5UHN/HIXKEVA8/F5V5UHNHIXKEVA8.SQUARE2.jpg http://cdn.instructables.com/F5V/5UHN/HIXKEVA8/F5V5UHNHIXKEVA8.SQUARE.jpg http://cdn.instructables.com/F5V/5UHN/HIXKEVA8/F5V5UHNHIXKEVA8.SMALL.jpg kalilović1 In this instructable i will teach you every thing you would ever need to know about the 555 timer IC. If you already know about the chip you could check out my slide show titled "47 projects to do with a 555" it will teach you every basic project to use a 555 with, its great for beginners! I do no...
By: kalilović1

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Wed, 10 Jul 2013 01:31:56 PDT
Economy Flashlight http://www.instructables.com/id/Economy-Flashlight-1/ http://cdn.instructables.com/FI9/3UWK/HI3TSCAU/FI93UWKHI3TSCAU.SQUARE2.jpg http://cdn.instructables.com/FI9/3UWK/HI3TSCAU/FI93UWKHI3TSCAU.SQUARE.jpg http://cdn.instructables.com/FI9/3UWK/HI3TSCAU/FI93UWKHI3TSCAU.SMALL.jpg Mock5 A flashlight that flashes/pulses at ~60 Hz, duty cycle 50%, too fast for the human eye to see it. You can see it flashing with a camera. Parts: 555 timer 8 pin socket for the IC 5x LED (I used high power) 2x 150 ohm resistors 12K resistor (R1) 120K resistor (R2) 2x 0.1 uF caps 2N2222 / BC547 NPN tra...
By: Mock5

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Mon, 24 Jun 2013 22:47:41 PDT
Hard Drive Tachometer for a Desktop Computer http://www.instructables.com/id/HDD-Tachometer/ http://cdn.instructables.com/FYZ/DWF1/HI3TRL9U/FYZDWF1HI3TRL9U.SQUARE2.jpg http://cdn.instructables.com/FYZ/DWF1/HI3TRL9U/FYZDWF1HI3TRL9U.SQUARE.jpg http://cdn.instructables.com/FYZ/DWF1/HI3TRL9U/FYZDWF1HI3TRL9U.SMALL.jpg WWC Tired of the old boring Hard Drive indicator LED, one puney LED. Then one choice is to add a HDD ( hard drive ) Tachometer. This tach will show the HDD activity on a desktop computer. Not for automotive use. Built with the 555 and 4017 combination. But the " Interface " is what makes this work. Tri...
By: WWC

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Mon, 24 Jun 2013 07:22:13 PDT
Build a Coin Counter http://www.instructables.com/id/Building-a-TTL-Logic-Coin-counter/
Build a Coin Counter - More DIY How To Projects]]> http://cdn.instructables.com/FMC/YR0Q/HHS9W19D/FMCYR0QHHS9W19D.SQUARE2.jpg http://cdn.instructables.com/FMC/YR0Q/HHS9W19D/FMCYR0QHHS9W19D.SQUARE.jpg http://cdn.instructables.com/FMC/YR0Q/HHS9W19D/FMCYR0QHHS9W19D.SMALL.jpg sncarter This is a TTL logic coin counter that counts Canadian coins as they are manually sorted and dropped into 6 jars. Apparently some of you want to attempt to build the coin counter which was previously published only as a video demonstration of it operating. Okay here you go, I built this so long ago, ...
By: sncarter

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Mon, 17 Jun 2013 12:05:36 PDT
The paper theremin http://www.instructables.com/id/The-paper-theremin/
The paper theremin - More DIY How To Projects]]> http://cdn.instructables.com/F1A/MF7M/HHOFPECL/F1AMF7MHHOFPECL.SQUARE2.jpg http://cdn.instructables.com/F1A/MF7M/HHOFPECL/F1AMF7MHHOFPECL.SQUARE.jpg http://cdn.instructables.com/F1A/MF7M/HHOFPECL/F1AMF7MHHOFPECL.SMALL.jpg pinomelean We all know that a 555 noisemaker is easy to build. But her's something more original, a 555 paper theremin. It's just a piece of paper with a 555 noisemaker driven by a phototransistor, so it sounds when you place something above it, changing the tone depending of how close the object is. M...
By: pinomelean

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Mon, 10 Jun 2013 14:48:37 PDT
$2 Nerdy Clear Cirucit Bracelet http://www.instructables.com/id/2-Nerdy-Clear-Ciruit-Bracelet/
$2 Nerdy Clear Cirucit Bracelet - More DIY How To Projects]]> http://cdn.instructables.com/FCO/Q1JU/HGH6Y0JV/FCOQ1JUHGH6Y0JV.SQUARE2.jpg http://cdn.instructables.com/FCO/Q1JU/HGH6Y0JV/FCOQ1JUHGH6Y0JV.SQUARE.jpg http://cdn.instructables.com/FCO/Q1JU/HGH6Y0JV/FCOQ1JUHGH6Y0JV.SMALL.jpg shotgunshane            The look of electronic circuits and PCB has grown more and more popular in the last few years. People like to looks of integrated circuit chips and resistors, these define electronics for the less knowledgeable in the field of circuitry. This bracelet takes a cheap price, a cool result, s...
By: shotgunshane

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Sat, 25 May 2013 13:23:16 PDT
555 doll http://www.instructables.com/id/555-on-demand/ http://cdn.instructables.com/F7Q/KDRZ/HH11B4SQ/F7QKDRZHH11B4SQ.SQUARE2.jpg http://cdn.instructables.com/F7Q/KDRZ/HH11B4SQ/F7QKDRZHH11B4SQ.SQUARE.jpg http://cdn.instructables.com/F7Q/KDRZ/HH11B4SQ/F7QKDRZHH11B4SQ.SMALL.jpg sumeet.barua http://www.youtube.com/watch?v=RKPO5_yn_FM http://www.youtube.com/watch?v=LWdkqwCUqMY please view this for info. it was made for someone special....little bit of electronics and craft made it possible..... (Components : ic555, l293de, relay , a motor) theoutput of the 555 ic has been given t...
By: sumeet.barua

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Fri, 24 May 2013 04:09:03 PDT
Simple Electronic Piano with 555 timer in CD Case http://www.instructables.com/id/Simple-Electronic-Piano-with-555-timer-in-CD-Case/
Simple Electronic Piano with 555 timer in CD Case - More DIY How To Projects]]> http://cdn.instructables.com/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SQUARE2.jpg http://cdn.instructables.com/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SQUARE.jpg http://cdn.instructables.com/F9V/VOEZ/HGU2PLGQ/F9VVOEZHGU2PLGQ.SMALL.jpg faziefazie In this instructable, I will show you how to make a simple electronic piano with common components. It uses capacitors and resistors, so you could easily modify the circuit. When the project is finished you will have a working simple circuit that can produce a variety of tones. Of course, there are...
By: faziefazie

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Tue, 21 May 2013 06:16:13 PDT
How to build a 3D-printed robot reindeer toy http://www.instructables.com/id/How-to-build-a-3D-printed-robot-reindeer-toy/
How to build a 3D-printed robot reindeer toy - More DIY How To Projects]]> http://cdn.instructables.com/F1H/TH1N/HGU2LJNY/F1HTH1NHGU2LJNY.SQUARE2.jpg http://cdn.instructables.com/F1H/TH1N/HGU2LJNY/F1HTH1NHGU2LJNY.SQUARE.jpg http://cdn.instructables.com/F1H/TH1N/HGU2LJNY/F1HTH1NHGU2LJNY.SMALL.jpg damianzuch 3D Printing! Mold-making! Digital Rendering! Apoxie Sculpt!!! Woodshoppery! For this project Tina and I decided to try to learn about 3D printing and I'll show you what we learned and how we ended up making the toy. We were asked to make two robot reindeer toys as props for a Christmas film; one is ...
By: damianzuch

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Mon, 20 May 2013 08:41:30 PDT
Fading led http://www.instructables.com/id/Fading-led/ http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SQUARE2.jpg http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SQUARE.jpg http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SMALL.jpg tealk Fading led, circuit its one of the simplest projects using 555 timer and bc547 transistor it only took me about 5 minutes to complete this, actualy whole this instructions and making of circuit last longer than making of circuit so the parts list is : 555 timer                                      ...
By: tealk

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Wed, 15 May 2013 13:21:13 PDT
2 leds flasher http://www.instructables.com/id/2-leds-flasher/ http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SQUARE2.jpg http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SQUARE.jpg http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SMALL.jpg tealk 2 LED flasher, also one of easy projects in electronics using only 555 timer ,33k resistor, 2x 330 resistor and 10uF capacitor, you can make 2 led  that flash one after another.
By: tealk

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Wed, 15 May 2013 13:21:13 PDT
555 TIMER LED STROBELIGHT http://www.instructables.com/id/555-timer-led-strobelight/ http://cdn.instructables.com/FIW/9BYP/HGH6JJEC/FIW9BYPHGH6JJEC.SQUARE2.jpg http://cdn.instructables.com/FIW/9BYP/HGH6JJEC/FIW9BYPHGH6JJEC.SQUARE.jpg http://cdn.instructables.com/FIW/9BYP/HGH6JJEC/FIW9BYPHGH6JJEC.SMALL.jpg kris754a https://www.youtube.com/watch?v=93akPgXFqGs this is my first instructable
By: kris754a

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Mon, 13 May 2013 15:47:51 PDT
TV Remote Jammer http://www.instructables.com/id/TV-Remote-Jammer-1/
TV Remote Jammer - More DIY How To Projects]]> http://cdn.instructables.com/FOX/SDXI/HGIEVH5E/FOXSDXIHGIEVH5E.SQUARE2.jpg http://cdn.instructables.com/FOX/SDXI/HGIEVH5E/FOXSDXIHGIEVH5E.SQUARE.jpg http://cdn.instructables.com/FOX/SDXI/HGIEVH5E/FOXSDXIHGIEVH5E.SMALL.jpg agupta52 As,we all know that the TV remote is the cause of fights among  us and our siblings(specially the younger ones).So, was my case . I decided to prank my family members by making the remote jammer. Original ible of kipkay is here. How Does Remote Really Work ? The concept is pretty simple and easy. ...
By: agupta52

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Sun, 12 May 2013 07:05:09 PDT
Construir un altavoz de plasma (Spanish version) http://www.instructables.com/id/Construir-un-altavoz-de-plasma-Spanish-version/
Construir un altavoz de plasma (Spanish version) - More DIY How To Projects]]> http://cdn.instructables.com/FIB/RZ8O/HE7D2YGA/FIBRZ8OHE7D2YGA.SQUARE2.jpg http://cdn.instructables.com/FIB/RZ8O/HE7D2YGA/FIBRZ8OHE7D2YGA.SQUARE.jpg http://cdn.instructables.com/FIB/RZ8O/HE7D2YGA/FIBRZ8OHE7D2YGA.SMALL.jpg Shelmak Antes de nada, no me hago responsable de ningun daño ocasionado por el dispositivo que vamos a construir. El usuario asume toda la responsabilidad sobre cualquier daño ocasionado al construirlo. Objetivos iniciales: - Conseguir elaborar un circuito para crear un altavoz de plasma, es decir, un arco...
By: Shelmak

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Mon, 18 Mar 2013 05:21:32 PDT
Flashing LED dog saftey collar! http://www.instructables.com/id/Flashing-LED-dog-saftey-collar/
Flashing LED dog saftey collar! - More DIY How To Projects]]> http://cdn.instructables.com/F22/KDM4/HDOW3HFZ/F22KDM4HDOW3HFZ.SQUARE2.jpg http://cdn.instructables.com/F22/KDM4/HDOW3HFZ/F22KDM4HDOW3HFZ.SQUARE.jpg http://cdn.instructables.com/F22/KDM4/HDOW3HFZ/F22KDM4HDOW3HFZ.SMALL.jpg out-of-the-box In this I show you how to make your own dog safety collar! its ideal for night walks and the occasional joy run. Sometimes my dog gets loose and decides to run the streets, my greatest fear is him getting hit by a car, and we all know most hits are caused by the driver not seeing the dog, and with t...
By: out-of-the-box

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Thu, 28 Feb 2013 23:20:53 PST
Logic Love Heart http://www.instructables.com/id/Logic-Love-Heart/
Logic Love Heart - More DIY How To Projects]]> http://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SQUARE2.jpg http://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SQUARE.jpg http://cdn.instructables.com/F5G/2X7F/HD8TX0HQ/F5G2X7FHD8TX0HQ.SMALL.jpg passmadd Hello everyone :) This is a Logic Love Heart I created for an old flame this year (we have a kid and we're still good mates, plus I like winding her up). Some say love isn't logical, well it is now! So sit back, grab a beer and I'll show you how I made this. Firstly, I had some fundamentals for t...
By: passmadd

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Sun, 24 Feb 2013 15:28:02 PST
555 Crriter Repellent http://www.instructables.com/id/555-Crriter-Repellant/
555 Crriter Repellent - More DIY How To Projects]]> http://cdn.instructables.com/FI0/0IEL/HAVGK8EE/FI00IELHAVGK8EE.SQUARE2.jpg http://cdn.instructables.com/FI0/0IEL/HAVGK8EE/FI00IELHAVGK8EE.SQUARE.jpg http://cdn.instructables.com/FI0/0IEL/HAVGK8EE/FI00IELHAVGK8EE.SMALL.jpg Bot1398 Many of the citizen scientists all around the world might have faced this problem that thier sunflower or any other plant is eaten up by critters before it even fully grows , so I have come up with a very simple solution to this problem , expose the critters to high frequency noise which they woulde...
By: Bot1398

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Sat, 19 Jan 2013 02:17:29 PST
Homemade Infrared Rangefinder (Similar to Sharp GP2D120 http://www.instructables.com/id/Homemade-Infrared-Rangefinder-Similar-to-Sharp-GP/
Homemade Infrared Rangefinder (Similar to Sharp GP2D120 - More DIY How To Projects]]> http://cdn.instructables.com/FBQ/IDJH/HBHGIVUX/FBQIDJHHBHGIVUX.SQUARE2.jpg http://cdn.instructables.com/FBQ/IDJH/HBHGIVUX/FBQIDJHHBHGIVUX.SQUARE.jpg http://cdn.instructables.com/FBQ/IDJH/HBHGIVUX/FBQIDJHHBHGIVUX.SMALL.jpg pyrohaz Here is my instructable on how to construct a pretty simple (for some!) short range infrared rangefinder/range sensor. Infrared rangefinders are very useful in a number of projects. The majority of these come from obstacle detection (in robots) or generally detecting distances! The one shown here is...
By: pyrohaz

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Sun, 6 Jan 2013 20:48:28 PST
DIY Dirt Cheap Continuity Tester with LED + 555 IC http://www.instructables.com/id/DIY-Dirt-Cheap-Continuity-Tester-with-LED-555-IC/
DIY Dirt Cheap Continuity Tester with LED + 555 IC - More DIY How To Projects]]> http://cdn.instructables.com/F3S/MMLI/HEXSMRSQ/F3SMMLIHEXSMRSQ.SQUARE2.jpg http://cdn.instructables.com/F3S/MMLI/HEXSMRSQ/F3SMMLIHEXSMRSQ.SQUARE.jpg http://cdn.instructables.com/F3S/MMLI/HEXSMRSQ/F3SMMLIHEXSMRSQ.SMALL.jpg lean04 Hi, i wanted to have a continuity tester (my multimeter doesn't have a buzzer) so i don´t have to look away from the circuit I am testing to see the multimeters display. Although i wanted a buzzer i also added a LED and an on/off switch for late night tinkering "stealth mode" I don´t have any engine...
By: lean04

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Wed, 26 Dec 2012 00:51:40 PST
Atari Punk Console http://www.instructables.com/id/Atari-Punk-Console-1/ http://cdn.instructables.com/FWS/WJBZ/HAUNMUZ2/FWSWJBZHAUNMUZ2.SQUARE2.jpg http://cdn.instructables.com/FWS/WJBZ/HAUNMUZ2/FWSWJBZHAUNMUZ2.SQUARE.jpg http://cdn.instructables.com/FWS/WJBZ/HAUNMUZ2/FWSWJBZHAUNMUZ2.SMALL.jpg derkeksfresser This is my Version of the Atari Punk Console! I used the Schematic of Make Magazine (http://blog.makezine.com/2011/09/13/collins-lab-atari-punk-console/). It´s running fine at 9V. Parts used in this APC: - 1x NE556 Dual Timer Chip - 1x Switch - 1x Power Jack (2.1 mm) - 1x Audio Jack (3.5 mm, mono) ...
By: derkeksfresser

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Tue, 25 Dec 2012 08:44:10 PST