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I need help with our project, it's supposed to count pulses from an LDR and the microcontroller sends an SMS using a nokia6210.
This is how it should work, an LED (connected with a switch) is placed in front of an LDR and the LDR should count how many times the LED was switched on. The problem...
That is a tri-state buffer with active high control. It is useful in controlling when to let information pass through it. If the control input (pin above) is set to 1, the output Y (right pin) will be equal to the input X (left pin) or in other words, the information passes through. And when the...
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