It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

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THE resistance-capacity tuned oscillator is well known as a very good generator of audio-frequency oscillations. In a recent communication by Rakshit and Bhattacharyya 1 it was pointed out that the ...

State volcanologists on Monday recorded a low-frequency sound as Mayon Volcano continued its effusive eruption. On Tuesday, PHIVOLCS posted on Facebook an audio file containing the infrasound signal ...

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Back in 2017, Hackaday featured an audio reactive LED strip project from [Scott Lawson], that has over the years become an ...

A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...

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void set_cs_1(){gpio_set_level((gpio_num_t)lcd_spi_data.cs,1);} void set_cs_0(){gpio_set_level((gpio_num_t)lcd_spi_data.cs,0);} void set_dc_1(){gpio_set_level((gpio ...