diy portable led strobe

8/22/2019 DIY Portable LED Strobe

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http://www.instructables.com/id/DIY-portable-LED-strobe/

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DIY portable LED strobeby DOT. on July 22, 2013

Table of Contents

DIY portable LED strobe ........................................................................................................

Intro: DIY portable LED strobe .................................................................................................

Step 1: Tools ..............................................................................................................

Step 2: Schematic and PCB ..................................................................................................

File Downloads ...........................................................................................................

Step 3: Parts ..............................................................................................................

File Downloads ...........................................................................................................

Step 4: Assembly ..........................................................................................................

Step 5: Casing ............................................................................................................

Step 6: Finishing ...........................................................................................................

Related Instructables ........................................................................................................

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Intro: DIY portable LED strobeI and my friends like to have fun in summer. We like to fool around with music when we are camping. To make those parties more likely to professional ones I have mportable 9V LED strobe. For my surprise it really gives a big effect. I hope you will like it!

Step 1:ToolsHere is the list of tools you will (mostly) need:

1)marker;2)ruller;3)pliers;4)screwdriver;5)knife (or wood carving knife)6)1, 3, 6 and 7mm drill bits;7)drill stand or dremel tool;8)sanding paper;9)solder or soldering station;10)lead solder;11)flux.

Image Notes1. permanent marker2. wood carving knife3. wire cutting pliers4. simple pliers5. ruller6. screwdriver

Image Notes1. solder or solder station2. lead solder3. flux4. third hand (modified)


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Step 2:Schematic and PCBThis project is very simple but there isn't as much schematics on the internet as I thought it will be. But I'm happy because I found this one. It is really simple and cheaAll the parts (including the case) can be found at local radioshack. And what is really cool that it can be done in one day!The heart of this schematic is timer LM555. It generates square impulses which width are regulated by variable resistor or potentiometer (it really doesn't care which ywill use).Light board can be made from as many LED's as you want. Starting from 3 LED's and increasing by 3 (for example it can be 3, 6, 9, 12. 15 and etc.). I have chosen 60LED's for brighter and bigger light area.I have uploaded my schematic and PCB in Eagle and .pdf format. My main board is really small. You can make it smaller if you use SMD parts. LED board size wasmade 87x57mm to fit into my case.

Image Notes1. power header2. LED header

Image Notes1. negative2. positive

File Downloads

LED_strobe.brd (40 KB)[NOTE: When saving, if you see .tmp as the file ext, rename it to 'LED_strobe.brd']

LED_strobe.sch (700 KB)[NOTE: When saving, if you see .tmp as the file ext, rename it to 'LED_strobe.sch']

60led_strobe.brd (37 KB)[NOTE: When saving, if you see .tmp as the file ext, rename it to '60led_strobe.brd']

60led_strobe.sch (116 KB)[NOTE: When saving, if you see .tmp as the file ext, rename it to '60led_strobe.sch']

60led_strobe.pdf (13 KB)[NOTE: When saving, if you see .tmp as the file ext, rename it to '60led_strobe.pdf']

LED_strobe.pdf (10 KB)
http://www.instructables.com/files/orig/FNX/8K5B/HJFXBAOD/FNX8K5BHJFXBAOD.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FNX/8K5B/HJFXBAOD/FNX8K5BHJFXBAOD.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FNX/8K5B/HJFXBAOD/FNX8K5BHJFXBAOD.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUV/6N4Y/HJFXBAOC/FUV6N4YHJFXBAOC.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUV/6N4Y/HJFXBAOC/FUV6N4YHJFXBAOC.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUV/6N4Y/HJFXBAOC/FUV6N4YHJFXBAOC.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUV/6N4Y/HJFXBAOC/FUV6N4YHJFXBAOC.pdf?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUA/JBQM/HJB0JBE5/FUAJBQMHJB0JBE5.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUA/JBQM/HJB0JBE5/FUAJBQMHJB0JBE5.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUA/JBQM/HJB0JBE5/FUAJBQMHJB0JBE5.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FUA/JBQM/HJB0JBE5/FUAJBQMHJB0JBE5.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9Q/EWOC/HJB0JBE4/F9QEWOCHJB0JBE4.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9Q/EWOC/HJB0JBE4/F9QEWOCHJB0JBE4.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9Q/EWOC/HJB0JBE4/F9QEWOCHJB0JBE4.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9Q/EWOC/HJB0JBE4/F9QEWOCHJB0JBE4.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FVY/M1E1/HJB0JBDW/FVYM1E1HJB0JBDW.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FVY/M1E1/HJB0JBDW/FVYM1E1HJB0JBDW.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FVY/M1E1/HJB0JBDW/FVYM1E1HJB0JBDW.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FVY/M1E1/HJB0JBDW/FVYM1E1HJB0JBDW.sch?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9L/74GF/HJB0JBDV/F9L74GFHJB0JBDV.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9L/74GF/HJB0JBDV/F9L74GFHJB0JBDV.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9L/74GF/HJB0JBDV/F9L74GFHJB0JBDV.brd?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/F9L/74GF/HJB0JBDV/F9L74GFHJB0JBDV.brd?utm_source=pdf&utm_campaign=files


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[NOTE: When saving, if you see .tmp as the file ext, rename it to 'LED_strobe.pdf']

Step 3:PartsBill of materials (BOM) for electronics can be find in .txt file that I have attached.All those parts will cost just few dollars. Maybe LEDs will cost more.

Of course you will need some parts for case assembly such as:1)8xM3 screws;2)two small screws for switch mounting;3)4x10mm metal holder;4)4x22mm metal holder;5)case (I have used plastic 90x60x25mm).

Also there is 9V battery holder, some wire, DC jack, switch and variable resistor knob (I have shortened it because it was to long).

Image Notes1. 8xM3 screws2. 4x22mm holders3. 4x10mm holders4. switch5. DC jack6. case outside7. organic glass. Will be shown in assembly part

Image Notes1. case inside2. switch3. switch holding screw4. variable resisor5. DC jack

File Downloads

BOM.txt (726 bytes)[NOTE: When saving, if you see .tmp as the file ext, rename it to 'BOM.txt']

Step 4:AssemblyI forgot to take pictures of soldering part. But I think it is easy to understand from schematic and board layouts because there are just a few parts.How you can see, I have connected switch just to battery holder. When switch is off but DC adapter is connected it still works.Now when it is done with electronics it's time for casing!

Image Notes Image Notes
http://www.instructables.com/files/orig/FRF/PR3L/HJFXBAT7/FRFPR3LHJFXBAT7.txt?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FRF/PR3L/HJFXBAT7/FRFPR3LHJFXBAT7.txt?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FRF/PR3L/HJFXBAT7/FRFPR3LHJFXBAT7.txt?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FRF/PR3L/HJFXBAT7/FRFPR3LHJFXBAT7.txt?utm_source=pdf&utm_campaign=fileshttp://www.instructables.com/files/orig/FNX/8K5B/HJFXBAOD/FNX8K5BHJFXBAOD.pdf?utm_source=pdf&utm_campaign=files


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1. main board2. third hand (modified)

1. negative2. positive3. header connector4. LED's board bottom side

Image Notes1. this pot was changed to variable resistor because this one was to big for my

case2. 9V battery holder3. LEDs board4. main board5. 9V battery

Image Notes1. this is how DC jack and 9V battery should be connected

Step 5:CasingHow you can see there were no holes and fittings in my case so I have made i t by myself. For holding case with LED's board and organic glass in place together I havmade 3mm holes for screws and those metal holders. 10mm holders were used between organic glass and LED's PCB. And those 22mm length were used inside casfor holding all the parts together.


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Image Notes1. used 1mm drill bit for this hole..2. ...and for this one

Image Notes1. perfectly cut hole for switch

Image Notes1. used 3mm drill bit for this...2. ...and this...3. ...and this...4. ...and this hole to fit screws perfectly

Image Notes1. 7mm drill bit was used to fit this

Image Notes Image Notes


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1. organic glass which I mentioned earlier2. 10mm metal holder3. 3mm hole4. M3 screw

1. 6mm hole and shortened knob for variable resistor

Step 6:FinishingWhile finishing the strobe I thought about LEDs board. I should have painted it with black or even with chrome paint to reflect light. But well I have made mistake whichyou can avoid. It still looks nice and shiny. That organic glass really does the job. It protects LEDs from scratching.By the way. Power supply can be 6 to 12V. I use 12V indoors. It flashes brighter. And for outdoors I use 9V battery which really easily fits in case. I am happy about thmy project, it really works well.

P.S. If you decide to use bigger casing you can use Joulie thief to make LEDs flash brighter from battery.P.S.S. If you want to make color light strobe you can use RGB LEDs or cut out various colors films and clip them to the organic glass.

I hope You enjoyed my first instructable!

Image Notes1. connection header2. 22mm metal holder3. at the end I thought that I should have painted it with black or even with chromespray

Image Notes1. this is how all the wirings should look like

Image Notes1. these headers are very handy2. connected LEDs3. this screw is flat-head so it was just glued to the case

Image Notes1. shortened knob


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Image Notes1. Finished!

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