The analog inputs I choose are: 1 photoresistor But you can choose any other analog device. The following picture shows the wiring between all components. The potentiometer is directly connected to the multiplexer on pin A0. All other analog pins are connected to ground. Moreover the pins VEE and E are also connected to ground. I split the code in two parts so that you can copy both and past in your Arduino IDE.
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Output capability: non-standard? VEE may not exceed CPD is used to determine the dynamic power dissipation PD in? Analog multiplexing and demultiplexing? Digital multiplexing and demultiplexing? Z none Fig. December Fig. To avoid drawing VCC current out of terminal Z, when switch current flows in terminals Yn, the voltage drop across the bidirectional switch must not exceed 0.
A Vis VI min. RON ON resistance peak?? RON maximum? At supply voltages VCC? VEE approaching 2. Therefore it is recommended that these devices be used to transmit digital signals only, when using these supply voltages. For test circuit measuring RON see Fig. OTHER 1. A VEE Fig. ICC additional quiescent supply current per input pin for unit load coef? OTHER 2. VEE see Fig. The value of additional quiescent supply current?
ICC for a unit load of 1 is given here. To determine? ICC per input, multiply this value by the unit load coefficient shown in the table below. General note Vis is the input voltage at a Yn or Z terminal, whichever is assigned as an input. Vos is the output voltage at a Yn or Z terminal, whichever is assigned as an output. The crosstalk is defined as follows oscilloscope output : Fig.
SparkFun Multiplexer Breakout - 8 Channel (74HC4051)
Increase the Number of Analog Inputs with an Analog Multiplexer
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