(b) For the given circuit please answer the following questions (i) Name the whole circuit. (ii) What is the component I/C1? (ii) What does it do in this circuit? (iv) What sort of waveform does this give at each LED. (v) What are components I/C2 and I/C3? (vi) Explain what they do in this circuit. (vii) In this binary display, what is the denary value? LEDS LED4 LED3 LED2 000 = ? (viii) Think carefully! How many '1s' or 'trues' from the 555 are needed to give this binary number? (ix) What happens to the LEDS at the next '1'? (x) Create a mechanism to detect when the output is decimal value '11' using 2 input logic gates. 1/C1 1/C2a 1/C2b 1/C3a 1/C3b TR Q O PRE Q O PRE Q O PRE Q PRE R D 74574N/1 CLK O CLR D 74574N/2 CLK O CLR DIS 555 74574N/1 74574N/2 CLK O CLR CV THR O CLK O CLR GRD V+ LED3 V LED4 V 100µF LED2 LED5 LED1 V ww w D

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Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.