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what PIC should i use

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seesy123

seesy123

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i confuse which one PIC should i use in my project.i want build a remote control car where it will repeat the command that i send to it without any controlling(let it move to 1 round.when i press a switch ,it will follow back the previous track that i control without control by user)..Each time i using the remote control to control it then move in any direction where controlled by user and at the same time it will automatic save the data in RAM.during playback step(without any controlling),it will read out the command or instruction that have save previous in RAM..so what type of PIC i need..and do you have any website about writing a program to read out the command from RAM..thanks
 

let me know the following details
1. What is the Memory (Flash, RAM, and EEPROM) that you are looking ahead?
2. What is your MIPS requirement?
3. What other peripheral you are looking at( SPI, I2C, UART, PMP etc)
4. What are the I/O requirements for your application?
 

Hi,

Most microcontroller would be able to do what you want.
Choose a microcontroller that have the feature you need.
example, the number of input output line,
UART, timer.

As for ram, microcontroller have ram built into it.
Not much ram, but should be more than enough to
do the task you need.
That is why it is call a microcontroller and not a microprocessor.

to begin with, you might like to try PIC16F628a microcontroller.
 

were you thinking of decoding the 3-5 channel PPM servo output from the receiver, storing all streams in SRAM, then have some unique combo signal from the control (forward, brake, left-right) or a spare channel tell the uC to start replaying the PPM information to the servo channels, instead of the radio?

Would the radio need to be able to override the output of the microcontroller during 'playback'?

Is the track set up in such a way that it could be self-navigated through software with sensors of various types - IR, Ultrasonic, 3 axis accelerometer, GPS, distance based turns, etc?
 

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