Electronic Chameleon Circuit
Source: InternetPublisher:红水杯 Keywords: clock Updated: 2021/01/31
Circuit working principle: lC1 is a NE555 timer circuit , lC1 and peripheral components
form an oscillator. According to the data in the figure, its period is 3s, and the signal is output from pin 3. IC2
is the decimal counting distributor CD4017, which has three input terminals: clock terminal (CP),
reset terminal (R) and clock enable terminal (EN). When the EN terminal is low, the counter
transmits information under the action of the rising edge of the clock .
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