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Flash Neon Circuit: Build Your 3Hz Sequence Project
Description
Within this circuit, a sequence of one, two, or three luminescent bulbs can be triggered to illuminate in succession, with the timing controlled by the R and C values. In the single-stage configuration, utilizing a single bulb, the capacitor accumulates charge via the resistor until the neon’s ionization potential is attained – roughly 70 volts – subsequently discharging rapidly through the lamp until the voltage diminishes to a level insufficient for sustaining the glow, which is approximately 45 volts. This cycle then repeats at a frequency of approximately 3 Hz for the values demonstrated. Reduced R or C values accelerate the frequency, while larger values decelerate it. All capacitors ought to be of the non-polarized kind, bearing a voltage rating of 100 volts or greater. For configurations encompassing more than three stages, the lamps may require careful matching regarding their comparable turn-on voltages.
Circuit diagram
