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void main() { unsigned int i; float j; float adc1,adc2; adc1=0; PORTA=1; TRISA=0xff; ADC_Init; PORTC=0; TRISC=0; TRISB=0; PR2 = 0xFA; //oxFA for 250 (used to set time period) PWM1_Init(5000); PWM1_Start(); // start PWM1 CCP2CON |= (1<<2)|(1<<3); // select fo
Hello All First of all I have pic32Mx575F256H and Panasonic Minas-A4E series servo motor Driver. Below is the Driver Image. 126018 Now below is the Diagram of servo motor Driver. 126019 Now Problem Is When I connect My pic32 Microcontroller Pulse and Dir Signal Connected this servo driv
i am having a pic controller that runs in 3.3v. i must generate a 5v pwm signal to control a rc servo, for that i am using a bc 547 transistor with a base resistor of 2.2k connected to pic io, emitter pin i grounded and collector pin i connected a 2.2k pull up with 5v. now i connected the collector to rc servo pwm pin. is (...)
it is possible to control industrial ac servo motor(with drive) using pic microcontroller, servo drive accepts step and direction signals
can anyone provide a link for an opensource project maily the code for Atmega /or pic for a servo controller/amplifier . i want to understand how the step and direction inputs are being transfered in speed and postion . if someone donot have a code but can simplify with a block diagram that would be great . NOTE : I am NOT a newbie . so
The following post offers pic Assembly for both a four servo and an eight servo pic based Controller: pic Based Serial Port servo Controller The design uses a pic16F84, however porting it to a pic16F877 should not be too much of an issue. The following (...)
Is it true that adding one more data byte stops USB device operation? I rather guess it's the call to commandservoToAngle1(), that further increases software latency and possibly exceeds the maximum allowed delay to service the USB. The delay loops are a "rusty" method to generate servo pulses, you should better think of a solution based on har
Hello everybody I'm facing with a problem in my H bridge design. I am using pic 18F45K20 Microchip Controller along with BJT tranzistors to make a servo direction for a 5V motor. Everything is fine but i can't get around with C code for microcontroller. I'm using C18 Compiler. I want to get the signal from a switch on the development
i want to use a encoder to control the position of servo - motor, when shaft of encoder (1) revolve a degree, the signal from encoder (1) will deliver to pic, then, pic will generate PWM signals to H-drive, pic use PI algorithm for this project, but it's appear so many problems, some boby help me! thank you all very much!
hi everyone. recently working with opencv face traking. still working on it. but my goal is to make a portable face tracker. Primarily i want to build a serial communication with controller within opencv code . so how can i do this . i know c. but little in it will be helpfull if the code
Hello Guys, I need help about this curiosity i had in mind. I am controlling a servo motor via CCP of the pic. The servo is rated to work at maximum stall torque @ 6v. We know the pic produces 5v out. So I was thinking to connect the supply of the servo externally while the PWM is coming from the (...)
hi all, i am making stair climbing robot.servo motor control has been done but i have problem with direction control of dc motor i am using L298 driver with pic 16f877a. when input 1 0f driver is high motor start rotating and dont stop. i want to stop it when push button is released that means when input 1 is low plz help in this regard
Hi, I am pretty new on this forum. I have a background on coding with pic and MATLAB. As of now, I have developed codes for object detection and tracking in MATLAB. My code detects a red object in an image/video and gives its centroid location. The red object is then tracked also as it moves. However, I am getting absolutely no clue as to how to
What you need to remember is A servo requires a cycle of about 20ms The position of the arm (on most servos) is a pulse between 1ms & 2ms, wth 1.5ms being the centre. Therefore as an example to move the arm to an extreme High pulse 2ms low for 18ms- making the 20ms cycle. This needs to be continously repeated to hold the arm in the correct positi
hi i am using pic 18f452 to control the servo motor Turnigy TG9e. i am programming it using microcode studio. i was not able to move the servo motor. i don't know what was the mistake. can anyone provide me a basic program in microcode studio for controlling servo motor Turnigy Tg9e using pic (...)
Hi, I'm planning on creating a microcontroller circuit that measures the current in a 5 dc servo motors (using shunt resistor current sensing and pic ADC) and does an error handling procedure when overcurrent is detected. However, the only specifications I have of the motors I'm using is that three of them have 30W motor capacity and 2 of them have
my project involves speed control of dc servo motors using pic 16f877a... i would be obliged if someone could help me out with the assembly code... regards, swathi
This source is servo motor control with pic18F452. and it is OK..I tested. Please help me to change code for pic16F877A. int servo1,servo2,servo3; void servo_1(int servo1); void servo_2(int servo2); void (...)
I wanna use bluetooth module and servo on proteus and then rotate the servo clockwise/counterclockwise controlled by a switch in proteus. The switch would only represent the position of the servo, high or low, depends. is this possible? Any source code for this? I don't know what kind of Bluetooth to use as well as the pic i (...)
Hi, I need to interface a potentiometer with a servo motor via the PWM module of pic 18F4550 using mikroC. Can it be done? If so, please help me out. Thanks in advance. servo motor needs 50Hz PWM. What I know, pic16 PWM Module can't generate low frequency at 50Hz. I don't know how pic18. The option is (...)
To genarate pulse for servo, need PWM at 50Hz. pic16 can't use PWM module. Use delay function also, not good for many servo. Other way, you can generate PWM using Timer Interrupt. See example servo. or You can use servo Controller that use UART to set servo position like this product, [URL="ht
What is your clock frequency of dspic30F? Most RC servos require a PWM period of 20ms and a duty cycle of 1ms to 2ms depending on the required position of the servo. How to Interface a Microchip pic MCU with a hobby R/C servo Such low frequency PWM is difficult to achiev
i need to interface servo control using pic 18f452.i need servo motor rotates in sequence of(7.2,14.4,.....360) degree.suggest me what kind encoder and servo drive is used for my this requires pwm to start write code for pic18f452.and what is ccs manual.what is the relationship betweem (...)
Here's a light seeking robot head using a pic and LDRs: Basic servo Motor Controlling with Microchip pic Microcontroller Hope the info helps: BigDog
kindly suggest what type of servo motor do i interface with pic controller for the purpose of precise position control.i need the interfacing diagram for servo motor with pic controller and also i reguire the study material for servo motor. As far as selecting a servo Motor, you can start (...)
check these Understanding RC servos ? Digital, Analog, Coreless, Brushless Take a look at the example ex_servo.c that comes with the CCS compiler ---------- Post added at 11:11 ---------- Previous post was at 11:06 ---------- [
do you already have the servo? if so how is it controlled? as a controller any microcontroller would do, if you are looking for a low cost development kit have a lok at microchip's microstick Microstick for dspic33F and pic24H Development Board i
LIST P=pic16F84, R=DEC #INCLUDE "" ;------------------------------------------------------------------------------ ; ASSEMBLE With MPASM. available for free from Microchip Technology Inc. is a Leading Provider of Microcontroller and Analog Semiconductors, providing low-risk product development, lower
50 Hz repetition rate is a standard, but it's not critical. With analog servos, the repetition rate possibly affects the servo gain, digital are mostly insensitive to it. 1.5 ms pulse width should move the servo to neutral position.
that is about controlling a servo with serial port to MCU right?. would that be the same if i would connect it directly to my pic? Hi, On that example, which is nearly 10 years old, you need some method of tellling the motors what to do, rather than use control keys on the pic they use the serial port of th
Hi I am new and I don't have experience to mikroC in my first test motor servo with pic16F877A , if anyone can help me so i will be glad so much. how writing too simple program can i control angle in servo motor run some time Left and return Right ?. please anyone help me . thank all of
Hi I do not program in C, but I do work with RC and servos. Most servos have range of control from 1ms to 2ms with 1.5ms being the middle settings. (some can operate slightly outside these ranges). I would say that your range of 2500us could be outside the scope of the servo. They normally have a complete cycle of 20ms (include PPM (...)
The solution is to not change the pulse width in large jumps. Finding out why would require a circuit for the servo control circuit. Keith
I'm trying to use the 16F84 to control two servo motors for an independent project. The code will be written in assembler. Anyone have any experience with pic servo control? I'm having trouble figuring out how to interface between the pic and servo motors.
hi all i want make project using pic 16f877a its crane with three servo motor to move crane up/down & rotation & left write and iwant it move three axis in same time using 6 push bottom two for every axis can i do it or its hard in pic 16f877a
Your question is not clear. Could you please explain it again in more understandable manner? Do you need to interface servo motor with pic which means servo motor is controlled by pic micro-controller (pic --> servo motor?) Or Do you need to control server motor from PC through (...)
also you can see AN696 microchip driving a servo motor dc
Can any one help me? I got a servo motor,16f877a,20MHz xtal,picC compiler,I have a burner for my pic and I use C when writing a program. I got a 5k pot connected to pin A0 and I am planning to use port D or Port B to control the servo to go left and right when I turn the pot. The problem is I don't know how to start (...)
You can use an RC servo to steer the car left or right. It needs a PWM signal that you can make with the pic16F84.
Hi, I am doing a project that need to do interfacing between 3 axis USB Joystick and pic to control 3 servo motor. The microconntroller needed will be a pic with USB host feature such as pic24FJxxxGBxxx. But i face some problems: 1. The Joystick i would like to use is Logietech Extreme 3d pro(only 3-axis Joystick (...)
I am not sure if the threshold is required; if necessary it will be 3.5V. Can somebody please help me out? I need an example program to try these things. I've tried searching online, but I can not find any of them during this particular pic. I'm in a desperate position because I've tried to do this for several weeks, but I still can not do and b
hai...i m doing a mini project line tracing robot. but now my servo motor only can turn clockwise. no matter how i change the code the servo motor still turn clockwise...i m use pic C compiler...anyone can send me a sample code to turn the servo motor anticlockwise and stop to the motor pls......
it looks like an ordinary servo 1) PCM 2) +ve 3) GND
Im new to micro controller programming and I urgently need a program for servo motor controller(dc motor controller with a single ended quadrature encoder) using pic 18f4331. I googled it for on many occasions but found nothing. I would prefer in mikroc. Will someone be able to share their coding with me as It would be a great help as Iam already l
Hello everyone. I have a project and i need some help I want to sent a ccommand through matlab to pic and then react with a servo. Till now i manage to send, lets say for example the character "N" (or enything i don't care) with matlab but i can't make my microcontroller (pic16f628) do anything. Now i need your help with the (...)
Hi, It depends on exactly what you are trying to do and what type of motor you are trying to control ? - dc brush motor, stepper, servo etc. Each type of motor needs a different method of control from the pic - which one are you using ? You can change direction of a dc brush motor just by changing the state of a double pole relay with th
Hi fellows; I have a question and I appreciate that if somebody give me an proper answer! I intend to control a standard servo motor with PWM output of a pic16F887 which its period is 20 ms! By application of timer 2 prescalar I can generate the PWM signal on PWM outputs with maximum of 4ms period, while the servo needs 20 ms period! (...)
I have not designed on atmel before, only on pic series. How much code have you designed yet, have you developed the hardware. I am sure you would have worked out the ADC control modules (to receive analogue data). Is there any feedback generated by the servo?? thanks aa
Just allow usage of all io pins, and duplicate spi, twi ports as much as you need. Most of the sensors can be found with i2c interface. Also with serial interface you can comunicate with other pcbs. In my design i use as much dedicated (servo) systems, so if main pcb is jammed, system can survive ...
Is there anyone here have servo motor drive circuit that using programming of pic 16F877A ?