Traditional Chinese Sound-controlled watering music player (Workshop Practice) — Circuit, Wiring & Debug Guide
In short: Traditional Chinese Sound-controlled watering music player (Workshop Practice) — Circuit, Wiring & Debug Guide. 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 5124 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
Voice controlled watering music playerPeople's lives are inseparable from music, because music can cultivate people's sentiments. Scientists have tested that music also has a certain impact on the growth of animals and plants.The sound-controlled watering music player is used for controlled watering in nurseries, gardens, etc., which not only reduces the labor intensity of workers, but also helps the growth of plants. At the watering site, at the command of the instrument, tens of thousands of thin water columns rise from the ground. Under the sunlight or flashing lights, the scene is gorgeous and colorful. The scene is very spectacular and charming. Coupled with the beautiful and melodious music, people will never forget to leave. It is not only suitable for nurseries and gardens, but also for home courtyards and various musical fountains.1． How the circuit worksThe circuit of the voice-activated watering music player is shown in Figure 56?, which is composed of a voice-activated integrated circuit and a music integrated circuit.Figure 56-1In the figure, IC1 is a voice-activated integrated circuit. It has a three-stage audio amplifier, frequency selection shaping circuit, trigger circuit and drive circuit inside. This circuit only uses two of the amplifier stages. Pins ① and ② of IC1 are an inverting amplifier, and pin ③ is another amplifier. Resistors R1 and R2 are the feedback resistors of the amplifier, and capacitor C1 is the input signal coupling capacitor. Pins ⑩ and ⑥ are output terminals, which have four output states. …
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