Skip to main content

Featured post

Digital Clock On LCD (16x2) PIC16F1937 Used In FlowCode Programming and Simulation

In this sample project we are using FlowCode Simulation Software for Programming and Testing with PIC16F1937.It shows how to use and simulate and program LCD for use in different projects.In this Project we have created digital clock(Using two digit each for seconds minute and hours in 24 Hour format on LCD) on 16x2 Liquid Crystal Display.Varying the delay and write-erase sequence can be manipulated to get desired result.

Here is the Flow code program:
LCD(16x2) Display Related Programs
ADC-Voltage as Float(LCD with PIC16F1937)
ADC-Voltage as String (LCD with PIC16F1937)
ADC Sampling and outputting to a LCD(LCD with PIC16F1937)
Printing Number on 16x2 LCD Display with PIC16F88
Printing and Updating Number on 16x2 LCD Display
Printing a Two line(String) message (LCD 16x2)
Printing a formatted number on ( LCD 16x2 ) Using PIC16F88

LCD (Liquid Crystal Display 16X2):-
Its screen is an electronic display module and find a wide range of applications. A 16x2 LCD display is very basic module and is very…

Servo Motors

Servo Motors
A servomotor is a rotary actuator that allows for precise control of angular position, velocity and acceleration. It consists of a suitable motor coupled to a sensor for position feedback. It also requires a relatively sophisticated controller, often a dedicated module designed specifically for use with servomotors.Servomotors are not a different class of motor, on the basis of fundamental operating principle, but use servomechanism to achieve closed loop control with a generic open loop motor.

For more related information please refer:
Motor Types-Introduction
Motor Types- DC Motor
Motor Types- AC Motor
Motor Types- Special Types of Motor
Stepper Motor

Servo refers to an error sensing feedback control which is used to correct the performance of a system. Servo or RC Servo Motors are DC motors equipped with a servo mechanism for precise control of angular position. The RC servo motors usually have a rotation limit from 90° to 180°. Some servos also have rotation limit of 360° or more. But servos do not rotate continually. Their rotation is restricted in between the fixed angles.


Applications of Servos
The Servo motors are used for precision positioning. They are used in robotic arms and legs, sensor scanners and in RC toys like RC helicopter, Airplanes and cars.



Servomotors are used in applications such as robotics, CNC machinery or automated manufacturing.

Servomotors vs. Stepper motors
Servomotors are generally used as a high performance alternative to the stepper motor. Stepper motors have some inherent ability to control position, as they have built-in output steps. This often allows them to be used as an open-loop position control, without any feedback encoder, as their drive signal specifies the number of steps of movement to rotate. This lack of feedback though limits their performance, as the stepper motor can only drive a load that is well within its capacity, otherwise missed steps under load may lead to positioning errors. The encoder and controller of a servomotor are an additional cost, but they optimise the performance of the overall system (for all of speed, power and accuracy) relative to the capacity of the basic motor. With larger systems, where a powerful motor represents an increasing proportion of the system cost, servomotors have the advantage.

Servomotors vs. DC motors

A DC motor has a two wire connection. All drive power is supplied over these two wires—think of a light bulb. When you turn on a DC motor, it just starts spinning round and round. Most DC motors are pretty fast, about 5000 RPM (revolutions per minute).
With the DC motor, its speed (or more accurately, its power level) is controlled using a technique named pulse width modulation, or simply PWM. This is idea of controlling the motor’s power level by strobing the power on and off. The key concept here is duty cycle—the percentage of “on time” versus“off time.” If the power is on only 1/2 of the time, the motor runs with 1/2 the power of its full-on operation.

The servo motor is actually an assembly of four things: a normal DC motor, a gear reduction unit, a position-sensing device (usually a potentiometer—a volume control knob), and a control circuit.
The function of the servo is to receive a control signal that represents a desired output position of the servo shaft, and apply power to its DC motor until its shaft turns to that position. It uses the position-sensing device to determine the rotational position of the shaft, so it knows which way the motor must turn to move the shaft to the commanded position. The shaft typically does not rotate freely round and round like a DC motor, but rather can only turn 200 degrees or so back and forth.
The servo has a 3 wire connection: power, ground, and control. The power source must be constantly applied; the servo has its own drive electronics that draw current from the power lead to drive the motor.
The control signal is pulse width modulated (PWM), but here the duration of the positive-going pulse determines the position of the servo shaft.

Comments

KeyWords

Show more

Popular posts from this blog

Digital Clock On LCD (16x2) PIC16F1937 Used In FlowCode Programming and Simulation

In this sample project we are using FlowCode Simulation Software for Programming and Testing with PIC16F1937.It shows how to use and simulate and program LCD for use in different projects.In this Project we have created digital clock(Using two digit each for seconds minute and hours in 24 Hour format on LCD) on 16x2 Liquid Crystal Display.Varying the delay and write-erase sequence can be manipulated to get desired result.

Here is the Flow code program:
LCD(16x2) Display Related Programs
ADC-Voltage as Float(LCD with PIC16F1937)
ADC-Voltage as String (LCD with PIC16F1937)
ADC Sampling and outputting to a LCD(LCD with PIC16F1937)
Printing Number on 16x2 LCD Display with PIC16F88
Printing and Updating Number on 16x2 LCD Display
Printing a Two line(String) message (LCD 16x2)
Printing a formatted number on ( LCD 16x2 ) Using PIC16F88

LCD (Liquid Crystal Display 16X2):-
Its screen is an electronic display module and find a wide range of applications. A 16x2 LCD display is very basic module and is very…

INDEX-Tutorials for Flow Code Programming and Simulation

Categorized Topics
We are using Flow Code Simulation Software from MATRIX for Programming and Testing,You will find topics from Flow Code Programming and Simulation.You can request a topic here.If some links are not working please let me know.
Flowcode is one of the world's most advanced graphical programming languages for micro-controllers. The great advantage of Flowcode is that it allows those with little to no programming experience to create complex electronic systems in minutes. Flowcode is available in multiple languages and currently supports the PICmicro, dsPIC, PIC24, AVR/Arduino and ARM series of micro controllers.You can Download the Demo Software HERE.







INDEX
Seven Segment LED Display 
Using Seven Segment with PIC16F88Counting using loops(Seven Segment with PIC16F88)Counting switch presses(Seven Segment with PIC16F88)
Timers and Counters
Timed Counter And Use of Timer Interrupt(PIC16F88)
ADC Programming
ADC Simulation In Flow CodeServo with ADC control input ,Flow Code Simulati…

Fibonacci Series Using Array And For Loop - C Programming Examples

As we have started C Programming coding with Example Series, We have published last posts
"Write A Program For SUM of Infinite HP"

"Write A Program To Find SUM of AP" and

"Write A Program To Find SUM of GP Sequence".

We have chosen to start with Arithmetic Series and in this post you will find some basic idea and some useful concepts about Fibonacci Numbers .You can download C Codes below.Please let us know your feedback.

In this post we are doing again Fibonacci Series but with different approach.In last post "Fibonacci Progression Using While Loop" you will see how to generate Fibonacci Numbers by using concepts of  Do-While Loop.In this post we will talk about another loop i.e. For Loop and side by side Concept of Arrays will be discussed and demonstrated.
Fibonacci Series - Sequence ( Using Array And For Loop ) Video Tutorial(See C- Codes Below ):

For Loop Concept: FOR Loops are the most useful type. The syntax for a for loop is  for ( variable init…

Servo with ADC control input ,Flow Code Simulation

Servo with ADC control input ,Flow Code Simulation
In this simulation we are working with two servo channels as o/p and two ADC channels for input and Output.
You may also like :
Servo with ADC control input
Stepper motor Control using switches
ADC Simulation In Flow Code 
Pulse Width Modulation Simulation (PIC16F877)

Here is the complete list of projects:
Tutorials for Flow Code Programming and Simulation

Stepper Motors Examples with PIC16F88 -Flowcode Simulation

We are using FlowCode Simulation Software for Programming and Testing with PIC16F88 for Simulation of this project .It shows how to use and simulate and program Stepper Motors for use in different projects.

For concept of Different types of Motors and their properties please see:
Motor Types-Introduction
Motor Types- DC Motor
Motor Types- AC Motor
Motor Types- Special Types of Motor
Servo Motors
Here is the Flow code program:
Three Stepper are used to depict different configurations in which they can be used .Here functionality of auto off capability is used.It can be programmed to moved back to its original position if required.

More related Post :
Stepper motor Control using switches(Flow Code Simulation)
Stepper with switch control- Auto Off with PIC16F88

Here is the complete list of projects:
Tutorials for Flow Code Programming and Simulation

Keypad and LED Interfacing With PIC16F88 FlowCode Programming And Simulation

In this sample project we are using FlowCode Simulation Software for Programming and Testing with PIC16F88.It shows how to use and simulate and program Keypad with LED for use in different projects.In this Project we are testing Keypad and outputting binary values to LED (Light Emitting Diodes ).Varying the delay and write-erase sequence can be manipulated to get desired result.

Above is the Flow code program:
LED Display Related Programs
Reading A Switch and outputting to a LED with PIC16F88
Outputting an 8-bit value with PIC16F88
Lighting an LED with PIC16F88
Masked inputs with PIC16F88
Controlling a single output pin Using PIC16F88

Testing Diodes/LED (Light Emitting Diodes) Using Digital Multimeter

Keypad Introduction:-The invention of the keypad is attributed to John E. Kerlin, an industrial psychologist at Bell Labs in Murray Hill.A computer keyboard usually has a small numeric keypad on the side, in addition to the other number keys on the top, but with a calculator-style arrangement of …

Timed Counter And Use of Timer Interrupt Using PIC16F88 Microcontroller - Flow Code Simulation

Flow Code-Timed Counter And Use of Timer Interrupt(PIC16F88)

In this example of counting seconds using Timed Counter and Timer Interrupt.In this example we are using 7 Segment Display to display the results of calculation as seen in the examples code and videos.

Here is the MACRO for Interrupt Program Code:


Here is the Flow code MAIN program:
Complete list of projects:
Tutorials for Flow Code Programming and Simulation

Motor Types- Special Types of Motor

Motor Types- Special Types of Motor
1. Iron less or core-less rotor motorNothing in the principle of any of the motors described above requires that the iron (steel) portions of the rotor actually rotate. If the soft magnetic material of the rotor is made in the form of a cylinder, then (except for the effect of hysteresis) torque is exerted only on the windings of the electromagnets. Taking advantage of this fact is the core less or iron less DC motor, a specialized form of a PM DC motor. Optimized for rapid acceleration, these motors have a rotor that is constructed without any iron core. The rotor can take the form of a winding-filled cylinder, or a self-supporting structure comprising only the magnet wire and the bonding material. The rotor can fit inside the stator magnets; a magnetically soft stationary cylinder inside the rotor provides a return path for the stator magnetic flux.

ADC-Voltage as Float Value Displaying On LCD with PIC16F1937 Microcontroller - Flow Code Simulation

Here is the example of using ADC and manipulating the variables for desired results.In this example we are using LCD to display the results of ADC calculation as float values on the LCD as seen in the examples code and videos.

Flow code program:
LCD(16x2) Display Related Programs
ADC-Voltage as String (LCD with PIC16F1937)ADC Sampling and outputting to a LCD(LCD with PIC16F1937)Printing Number on 16x2 LCD Display with PIC16F88Printing and Updating Number on 16x2 LCD DisplayPrinting a Two line(String) message (LCD 16x2) PIC16F88ADC SimulationServo with ADC control inputMotor TypesDC MotorHere is the complete list of projects:
Tutorials for Flow Code Programming and Simulation

Micro-controller used is PIC16F88 with 16x2 LCD for printing numbers and then updating them.

In video you will be able to see step-wise execution of program and their effect on LCD in panel which is by default in the software .

Here is the Flow code Simulation and how to do Video Tutorial:

You can Download Flow Code Pr…

Using Seven Segment with PIC16F88 Microcontroller And Displaying Numbers - Flow Code Simulation

Here a Sample Program and simulation in Flow Code.We have used PIC16F88 micro controller (From Microchip Technology 8-bit Micro-controllers).Seven Segment is used for Displaying numbers.At first single number is being displayed afterwards combination of numbers are used.

Flow code program:
Suggested Reading
Counting switch presses(Seven Segment Display with PIC16F88)
Counting using loops Using Seven Segment with PIC16F88 Microcontroller

Here is the complete list of projects:
Tutorials for Flow Code Programming and Simulation
Micro-controller used is PIC16F88 with 7 segment Display for printing numbers and then updating them.