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// read A4 input pin
Wire Length: 2cm
unlocking Time: 1 sec
Use for: Raspberry Pi 4 Model B
Input Voltage: 12V-40V
Cd4047 Cd4047bm Cd4047bc Low Power Monostable Astable Multivibrator Ic Heart Rate // read A4 input pinhe CD4047B is capable of operating in either the monostable or astable mode. It requires an external capacitor (between pins 1 and 3) and an external resistor (between pins 2 and 3) to determine the output pulse width in the monostable mode, and the output frequency in the astable mode. Astable operation is enabled by a high level on the astable input or low level on the astable input. The output frequency (at 50% duty cycle) at Q and Q outputs is
