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Questions tagged [strobelight]

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0 votes
0 answers
73 views

How to make a hight power strobe light (ACL) with arduino and high power LED

I'd like to make a high power strobe anti collision light (ACL) for aviation. The available power source is 12 - 13 V DC. The strobe pattern should be programmable / adjustable, therefore an arduino ...
think nice things's user avatar
3 votes
3 answers
1k views

How can I make an LED strobe light for a turntable to replace a glimm light?

I'd like to make a LED strobe light for a turntable instead of the old glimm light. I've seen some solutions for it by using a crystal oscillator + divider to achieve 100 Hz (I'm in in the EU with 50 ...
driverhertz's user avatar
1 vote
3 answers
858 views

High power pulsed LED

I found this circuit on another thread on this site and I believe it is close to what I need for my own application (Short duration (approx 128 us), low duty cycle (<1%) high power LED pulses). ...
simon mcloughlin's user avatar
1 vote
2 answers
209 views

How to calculate the resistor value of a xenon flash circuit to be a set frequency

How can I calculate the value of R2 in the following circuit to have the xenon flash (the rate of the charge/discharge of the capacitor) be set at 10Hz? https://www.eleccircuit.com/xenon-strobe-light-...
amandwato's user avatar
0 votes
3 answers
100 views

generating potentiometer adjustable, non-inverted voltage square pulses from microcontroller gpio output

I would like to generate a square signal with SW adjustable duty cycle, phase etc using the output pin of a microcontroller (3.3V). Frequency <100Hz. However, I also want the amplitude of the ...
bekoch's user avatar
  • 9
2 votes
1 answer
364 views

UL 1971: is there a tolerance on strobe flash rates?

UL 1971 27.1.3(a) requires that listed strobes used for fire alarm signaling to hearing-impaired occupants flash at between 1 and 2 flashes per second: a) Signaling lights shall produce a candela ...
ThreePhaseEel's user avatar
3 votes
1 answer
1k views

Can I modify this LED Light Circuit board to not strobe and just stay lit? [closed]

I'm looking for anyone who might know if I can modify this small LED light circuit board to not strobe? I want to use it for my van as indicator lights, I've only managed to find these that will fit ...
Scott Spooner's user avatar
0 votes
3 answers
2k views

How does this strobe light circuit work?

I took apart the top of my strobe light and couldn’t exactly understand parts of the circuit. Could someone explain how it works? When the strobe is plugged in, it immediately starts flashing and ...
RiFF RAFF's user avatar
  • 155
2 votes
3 answers
584 views

Can I strobe a power led with an audio power amplifier?

I'm trying to make a fast LED strobe for visual periodic measurements of mechanisms, rotating objects to be specific. I "designed" an opto-coupler/MOSFET circuit and a transistor/MOSFET circuit. I ...
Ömer Gezer's user avatar
0 votes
1 answer
89 views

Cheap and powerful stroboscope: Turning a floodlight into stroboscope?

I would like to build a Stroboscope with the most cost-effective and less time-consuming approach. I would like to be able to control and know the frequency of operation, which should be at least of ...
Seitam's user avatar
  • 145
0 votes
2 answers
4k views

How to calculate the energy output (in Joules) from an LED

I need to emit 20J over 5ms onto a target area of 962mm^2 from an LED source. The source as well as the target will reside in a completely encapsulated environment with reflective internal walls such ...
Landon's user avatar
  • 177
3 votes
1 answer
191 views

Increasing flash rate of xenon flasher

I've come into possession of a bunch of xenon flasher units of the type commonly mounted to burglar alarms and electric gates. I'm aiming to turn them into tiny strobes as part of a project I'm ...
Shedworth's user avatar
0 votes
2 answers
296 views

switched capacitor voltage doubler for strobe circuit

I am interested in making an LED blink fast with a low duty cycle. To make the LED bright again (despite the low duty cycle), I thought I'd try to use some sort of charge pump to overdrive the LED. I'...
Gus's user avatar
  • 431
2 votes
3 answers
483 views

How to determine forward voltage for overdriven LEDs

I'm trying to figure out how to determine the forward voltage and forward current for overdriven LEDs, and need a bit of help understanding what are the dependent variables and which are independent ...
nathan lachenmyer's user avatar
4 votes
1 answer
2k views

Overdriving LEDs with high currents

I'm trying to drive LEDs for the purposes of a strobe light. I'm planning on driving the LEDs at ~60 fps, and for ~100 us pulses to provide very sharp strobe images. If the pulses are very short and ...
nathan lachenmyer's user avatar

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