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This system is a straightforward and dependable mechanism for processing human speech. Its primary function is to modify the tone of the human voice, making it sound artificial, similar to a robotic voice produced through artificial means. This circuit...
The system utilizes a modular design featuring the AT89S52 microcontroller and CPLD as the central processing unit (CPU) for overall system coordination. Initially, it establishes a cycle of systematic pulse signals through a 4G-4 key set module, allowing for...
When the ignition switch is activated, relay K1 receives continuous power, allowing the headlights to be turned on. When the ignition is turned off, timer IC1 is activated, maintaining its power for a duration determined by resistor R1 and...
The 4049 section serves as a fundamental voltage doubler circuit, enhancing a 9 V supply to approximately 15 V. This elevated voltage subsequently acts as the supply voltage for the following 555 pulse modulator section. A key characteristic of...
It is often desirable for a single doorbell to be operated by two buttons, for instance, one at the front door and the other at the back door. The additional button, S2 in series with the break contact of...
The SX 28 internal oscillator is not that fast, so an external oscillator can be hooked up to the processor as shown in the diagram to increase the operation cycles per second. The SX 28 microcontroller is designed with an...
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