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One of the light-controlled road construction warning light circuits
Source: InternetPublisher:赔钱虎 Keywords: Light control type road construction BSP Updated: 2020/09/23
The light-controlled road construction warning light has two functions: light control and flashing. The warning light is turned off during the day, and the tube
indicator light automatically turns on and flashes after dark.
(1) One of the light-controlled road construction warning light circuits
. The circuit is shown in Figure 13-10. It uses a 555 time base integrated circuit to form a multivibrator, and a phototransistor
VT as the light control component.
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