What is Continuous flash?

Continuous flash is a circuit & prototype documented in the Chinese Practical Production Technology collection. The entry keeps the original material list, quantities and sequence, so you can follow the method as printed.

Is this an authentic Chinese method?

Yes. The underlying text is from mainland Chinese workshop literature aimed at small producers and home makers; the English on this page is a direct translation with the original numbers and steps preserved.

What do I need to get started?

Common discrete components, a breadboard or PCB, a low-voltage supply and a multimeter. No specialised tool is required for the first build.

How long does it take?

The timing depends on your climate, batch size and equipment rather than on the text; the source records the process sequence rather than fixed hours, so follow the stages and check the material state at each one.

Can I run this as a small business?

Many entries in this collection were written with small-scale and home production in mind. Before selling, confirm the food-safety, labelling and local-registration rules that apply where you operate.

Is the full text available?

The complete English translation is in this article and is the same text used for the PDF download. Buying the PDF unlocks the full document without the preview cutoff.

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Traditional Chinese Practical Continuous flash: Circuit Design, Parts List & Workshop Prototype Guide

AI answer

In short: Traditional Chinese Practical Continuous flash. This entry documents a circuit & prototype taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 2920 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.

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Continuous flash for photographyWhen you photograph an athlete's high jump scene, you often need to capture the entire process from takeoff to crossing the crossbar. It is impossible to achieve this goal with ordinary shooting methods: if the shutter speed is too fast, only the posture of a certain moment can be captured; if the shutter speed is too slow, the captured image will be blurry. If you continue to expose (using continuous flash) while slowing down the shutter speed, you can get several photos of continuous action.The circuit of this device is shown in Figure 14. The main components of the circuit are a 2-input four-NAND gate integrated circuit 4011, a pulse distribution integrated circuit 017 and a low-power NPN transistor.NAND gates 1 and 2 of 4011 are both shaped and amplified; gates 3 and 4 are connected to ultra-low frequency oscillators, controlled by gates 1 and 2. It serves as a clock signal generator, and the rectangular clock pulse output is added to pin 14 of the pulse distributor 4017, which is the clock input end. The "1" to "9" output terminals of 4017 (corresponding to pins 2, 4, 7, 9, 1, 5, 6, 9, and 11) are each connected to the control electrode of a one-way silicon controlled rectifier (SCR). The anode of each thyristor is connected to the controlled flash light trigger switch. The specific connection method depends on the structure of the controlled flash. …

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