Strobe and Flash Lights ( 66 ) :

• Documents and resource pages

• An Examination Of The Flash Circuitry In A Disposable Camera   
• Design Considerations for Triggering of Flashlamps   
• Don's Xenon Flash Page - lots of notes, schematics and ideas   
• Electronic Flash Fundamentals   
• Flashlamps for pulsed lasers and flashlamp power supplies - introduction to the basic mechanical, optical, and electrical operation and concepts of flashlamps   
• General Xenon Flash and Strobe Design Guidelines   
• How and Where to get Parts for Large Xenon Strobes   
• Linear Flashlamp Technical Brief   
• Notes on Electronic Flash Units and Strobe Lights - Flash and Strobe FAQ, very good information source, includes many schematics   
• Notes on the Troubleshooting and Repair of Electronic Flash Units and Strobe Lights   
• Notes on high power strobe lights - how to avoid potential dangers   
• Ratings of Some Xenon Flashtubes - small to large!   
• Strobe Lights and Design Guidelines, Useful Circuits, and Schematics - Flash and Strobe FAQ, very good information source, includes many schematics   
• Strobe Lights and Design Guidelines, Useful Circuits, and Schematics   
• Strobe Lighting Safety - When using any sort of strobe lighting or effect, the risk of triggering seizures in photosensitive epileptics is present. The risk can be reduced by limiting the duration of strobe effects - UK guidelines suggest no more than 30 seconds at any one time.   
• Using Fluorescent Ballasts to Power Xenon Strobes - a fluorescent light ballast can be a convenient way to obtain high voltage with some current limiting   
• What is a stroboscope?   
• Xenon Strobe and Flash Safety Hints - Xenon strobes normally have high voltages that can be hazardous, even fatal. Please read this document in its entirety before building, troubleshooting, or repairing xenon flashes or strobes.   
   

• Strobo circuits

• 12V DC Xenon Flasher - This Kit builds the circuit to trigger a high voltage xenon flashtube using a 12V DC input from a power supply. The flash rate can be varied between 1 and 2 flashes per second using an onboard potentiometer. Component changes can move the flash rate range faster or slower.   
• 12V stroboscope circuit   
• 12 Volt Strobe, Coil Driven - This circuit will give provide a Good Strobe Effect for a variety of Portable Uses. Nominal current draw is "up to about" 1 amp at 12 volts.   
• 230 Vac strobo - A stroboscope circuit that operates at 230V AC. The flash rate os around 0.3 Hz and the flash power is aeound 8 joules. This project included PCB plans. The text of this project is in Finnish.   
• Adjustable Strobe Light - 120V mains power source, up to 20 Hz flash rate   
• How to build your own aircraft strobe   
• Disco style Strobe Light - low power, works on 110VAC   
• Hacking the Kodak Max Single Use Flash Camera into a Self-Repeating Strobe  
• Line powered xenon flash transmitter - line powered xenon flash circuit drives a small camera type flash tube, up to 20 Hz flash rate, uses external flash trigger signal for controlling, operates on 120V AC   
• Mini pocket stroboscope circuit - works from two 1.5V AA batteries, based on modified camera flash unit   
• Mini Stroboscope - low power stroboscope that operates from 220V AC     
• Odd application of neon glow lamps: The stroboscope - neon glow lamps can also be used only for their U/I characteristic and not for producing light, here for controlling the triggering the xenon tube   
• Strobe Light - simple 120 VAC powered circuit   
• Strobe Light - works from 115V AC line   
• Strobo system - Externally triggerable strobo system powered from 12V DC. This ZIP file includes full Protel 99SE design file and PDF versions of all required information (including schematics and PCB design) to build strobo by yourself.   
• Strobovalo - stroboscope circuit which operates at 9-12V power, text in Finnish   
• Variable intensity variable frequency stroboscope   
• Velleman K2601 Stroboscope   
• Welch Scientific Model 2153C Stroboscope - a schematic for a typical line operated variable rate stroboscope used for the visualization of moving parts as well as rotation speed or frequency determination of rotating or vibrating machinery   
• Xenon Strobe Light - designed as a companion to the   
• Xenon Flash Indicator (XFI) - This project is about Xenon flash indicator. The unit consist of a high powers unit and some triggging electronic and a flash-tube. When the flash unit get a trigger signal it will light upp very strong, just in the same way as a camera flash.   
• Zero-crossing, line locked Xenon strobe - This is a modification idea for   
   

• Strobo trigger and control circuits

• Beat Tracking Strobe - project description   
• Kevin's strobe schematics - Inverter and trigger circuits   
• Opto-isolated logic level trigger for general strobe applications - seems to contain some drawing mistakes (optoisolator LED drawn on wrong way around), but the idea works well   
• Optoisolated remote trigger from low voltage logic or signal   
• Sound Triggered Flash - sound activated trigger for cmaera flash unit   
• Strobo controller - simple controller for professional stroboscopes, adjust the the flash rate in 1..15 Hz range   
• Trigger circuit for stroboscopes - circuits which can be used for triggering stroboscopes from external signals   
• Typical Strobe Light Trigger Circuit - 555 based timing circuit which triggers a SCR which controls the trigger transformer   
• Typical Strobe Light Trigger Circuit - This circuit typically uses a voltage around 300 volts for the main high voltage supply and needs a low voltage supply of typically 6 to 15 volts. For a typical variable speed strobe light with a flash rate adjustable from about .35 to 7 Hz.   
   

• Power supplies for stroboscopes

• Easy Xenon DC-DC Converters!   
• High power 12 V to 300 V invertor for high repeat rate medium power strobes  runs on 12 V, at up to 6 A, and can fire the tubes at a rate of about 8-10 times per second, check also the   
• Kevin's Strobe Schematics - 12 V to 300 V inverter for high repeat (1-10 times in second) rate medium power strobes   
• Tiny tiny inverter design - little efficent circuit that runs off of 3V, and charges up a little 1 uf 250V cap all the way up in about 30 seconds   
   

• Information on camera flash units

• Automatic Exposure Control Electronic Flash Units - Automatic electronic flash units provide an optical feedback mechanism to sense the amount of light actually reaching the subject. The flash is then aborted in mid stride once the proper exposure has been made.   
• Electronic Flash Fundamentals   
• High Speed Photography   
• Simple circuitry for cellular-telephone/camera-flash illumination - Successfully implementing flash lamps involves understanding numerous practical considerations. Next-generation cellular telephones will include high-quality photographic capabilities. To support their improved image sensors and optics, they will need high-quality "flash" illumination, which requires special design attention. This lighting is crucial for yielding good photographic performance and requires careful consideration. Two practical choices exist for flash illumination: LEDs and flash lamps.   
   

• Camera flash circuits

• 9V powered xenon flash - battery powered circuit is designed for remote control flash needs, pdf file   
• Flash Slave Trigger - slave trigger simply triggers those other flash units when main flas unit flashes   
• Le Stroboscope - commercial pocket camera flash unit circuit diagram, text in french, modifications for strobo use described also   
• Lightning Activated Camera Shutter Trigger   
• Line powered xenon flash transmitters - makes bright flashes, optoisolated remote flash control input, operates from 120V AC, pdf file   
• Pulsed Laser Flashlamps and Power Supplies   
• Slave Flash Trigger Circuit     
• Slave Flash Trigger Circuit - This is a Slave Flash Trigger circuit, which can be built entirely from Radio Shack parts. It senses a camera flash and will trigger another flash that has some sort of input conection that one shorts to trigger a flash.   
• Sound Triggered Flash - If you wish to take a picture of a fleeting event which generates a sound, you can do it with this sound activated trigger. It does not require any power supply: it feeds on the high voltage available on the flash trigger terminal. With this circuit you will be able to catch a cork leaving the champagne bottle or the moment a balloon is punctured. The whole circuit could be assembled in the mike housing making a very compact device.   

 back to : Links >> Electronic Circuits >> Light controlling electronics