Electric bell sound delayer schematic diagram
Source: InternetPublisher:偷熊计划 Updated: 2020/07/04
The picture shows the schematic diagram of the delay device used in this production experiment. SB is the reset button that starts the bell, HA is the AC bell, H is the lighting, and K is the relay. The relay is DC12V sealed type DZ-100. The IC uses the NE555 time base circuit, and other components are shown in the schematic diagram.
Electric bell sound delayer schematic diagram
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