Write a PIC16F877A program that flash ON the 8-LED's connected to port-B by usingtwo switches connected to port-D (Do & D₁) as shown in figure below, according to thefollowing scenarios: (Hint: Use 500ms delay for each case with 4MHz frequency)1. When Do=1 then B₁,B3,B7 are ON.2. When Do 0 then Bo,B2, B4, B5, B6 are ON.3. When D=1 then B4, B5, B6, B7 are ON.4. When D₁=0 then B0,B1,B2,B3 are ON.U1OSC1/CLION33OSC2/CLKOUT T 345U220103531810- 30 -ou-unRB22RA1/AN1PA3/AN3VREF+RA4/TOCKIC1OUTRACIANO 0RB3PGM 3733417510RB439RA2/ANZ/VREF-CVREFRB51539714RB6PGC4013RB7/PGORAS/AN4/SS/C2OUT+15RCOT1OSOTICK10RECANARDRE1/AN/RREZ/ANTICS✓ MCLR/Vpp/THVRC2/CCP1RC3/SCK/SCLRCA/SOISDARC5/S00RCB/TX/CK10RC1/T10SUCCP217LED-BARGRAPH-REDRC7/RX/DTROOPSPORD1/PSP1R02/PSP2RD3/PSP3ROUPSP4RD5PSP5ROOPSPORO7/PSP7PIC16F877A+5VR2100RR1100R

To write a program for the PIC16F877A microcontroller that flashes specific LEDs connected to PORTB…

Answered: Write a PIC16F877A program that flash…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A clamper circuit has 20 Vp-p. 100Hz square wave input voltage. The circuit consists of silicon diode IN4001 and 3V battery as shown in Figure 1 C. 0.1 µF D R Vi(t) 50 k2 Vo(t) 3 V Figure 1 a) Find the output voltage for all input voltages values. b) Sketch the output waveform, Vo(t).
Q4) Determine and sketch the output voltage across the load resistor (RL) for the circuit shown below (assume Si diodes) V_DC V DC 0,75 (1+ 0.25 V_SIN V SIN RL -1 V SOR V_SQR 0.75 -0.75 V TRI 1 V_TRI -1
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Using an ideal diode, design a clamper circuit that result in the desired output waveform as shown in Figure Q7. Show overall analysis to justify the proposed design. 7. Vo Vi Designed Clamper Circuit - 3 V -20 - 43 V - Fiqure Q7 20
A clipper circuit based on diodes are simple way to modify waveform in mechatronics. Assume that the two diodes shown in the circuit below are ideal diodes. If the input voltage in the circuit is a 1 kHz sinusoid with peak amplitude of 8V, sketch the Va.. (t) 10 kO 8V 10 kO Vin Vin(t) D2 Vout(t) RL Ims D1 6V -8V 4V Page | 1
An unipolar PWM full bridge circuit has a Vr.rms of 125V at a duty cycle D1 of 0.7. What is Vd? What is Vo.rms?
A clipper circuit based on diodes are simple way to modify waveform in mechatronics. Assume that the two diodes shown in the circuit below are ideal diodes. If the input voltage in the circuit is a 1 kHz sinusoid with peak amplitude of 8V, sketch the Vaue (t). 10 k. 8V 10 kN. D2 RL Vourlt) Vin= Vin(t) Ims D1 6V -8V 4V Page | 1
Facts: Facts about Clampers A clamper is an electronic circuit that fixes either the positive or the negative peak excursions of a signal to a defined value by shifting its DC value. The clamper does not restrict the peak-to-peak excursion of the signal, it moves the whole signal up or down so as to place the peaks at the reference level. A diode clamp (a simple, common type) consists of a diode, which conducts electric current in only one direction and prevents the signal from exceeding the reference value; and a capacitor, which provides a DC offset from the stored charge. The capacitor forms a time constant with the resistor load, which determines the range of frequencies over which the clamper will be effective. Question: A clamping circuit has to have an independent source, a diode, a resistor, and a capacitor. To keep a constant voltage on the capacitor over the period of the input, the RC time constant must be large. A design rule of thumb is to make the RC time constant at…
Light-emitting diodes (LEDs) are diodes made with III-V compound semiconductor materials such as aluminum gallium arsenide (AlGaAs), aluminum indium gallium phosphide (AllnGaP) or indium gallium nitride (InGaN), instead of silicon. The LEDs emit light when the device is operated under forward bias. LEDs of different colors have different turn-on voltages VD(on). For example: Color VD(on) Red ~ 1.6 V Yellow ~ 1.7 V (a) Model these five LEDs with a simplified piecewise linear model. (b) A rule of thumb is that it takes about 1 mA of current to "light" an LED while~ 10 mA is needed for it to appear bright. Use the piecewise linear model for the LEDs, for the over-voltage indicator circuit to the right, find the values of Vin which will cause D₁ or D₂ to light (i.e. when ID1 or ID2 exceeds 1 mA). Green ~ 1.8 V Blue ~ 2.8 V loks o mu Vin Red LED Red LED White ~ 3.8 V + lov 21 D₁ D2 -10V o t Vout 오
Light-emitting diodes (LEDs) are diodes made with III-V compound semiconductor materials such as aluminum gallium arsenide (AlGaAs), aluminum indium gallium phosphide (AlInGaP) or indium gallium nitride (InGaN), instead of silicon. The LEDs emit light when the device is operated under forward bias. LEDs of different colors have different turn-on voltages VD(on). For example: VD(on) : Red: ~ 1.6 V Yellow: ~ 1.7 V Green: ~ 1.8 V Blue: ~ 2.8 V White: ~ 3.8 V (a) Model these five LEDs with a simplified piecewise linear model (b) A rule of thumb is that it takes about 1 mA of current to “light” an LED while ~ 10 mA is needed for it to appear bright. Use the piecewise linear model for the LEDs, for the over-voltage indicator circuit to the right, find the values of Vin which will cause D1 or D2 to light (i.e. when ID1 or ID2 exceeds 1 mA).

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