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Single chip microcomputer STM32L151CCU6
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1206RGB (single)
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RF cable can be customized for other specifications
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0201 package SLP0603 ESD electrostatic diode 5V one-way ESD
In some dangerous situations, we don't want anyone to touch it. Once someone touches it, it will immediately call the police to remind people to pay attention. Figure 2-4-1 shows the electrical schematic of this device. When the human body's sensing signal accidentally touches P, it is amplified by T1 and T2, and T3 is turned on. The audio oscillator composed of T4 and T5 starts to vibrate, and the speaker (horn) emits an alarm sound. Figure 2-4-2 is the board. |
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