Hi all,
I would like some help for my summer project.
I have a device that needs a microcontroller.
In short, it should do the following:
Read 3 analog inputs (each can give 3 different voltages)
These inputs should be saved when the device is powered on.
Whenever one of those inputs changes (voltage differs) after poweron, there should be send a signal through RF to operate a switch (power a (7)556 led/buzzer circuit for example)
Everything has to run on a battery, so a very low power microcontroller is needed here.
It also should go into sleep mode very often.
So in other words, it has to check every 50-100 milliseconds if one of the inputs differs from those recorded when the device was powered on.
The rest of the time, it should be in sleep mode to save battery.
Now, I don't have any real experience with microcontrollers yet, but read google for a week or so to learn more.
I've read about the very low powered MSP430 series from TI, but also a few PIC's that should work (have a pic16f1826 here)
So basicly, I want to know which microcontroller is best suited for this.
Keep in mind, I don't have a large budget for it (read: still need a programmer)
As far as I could find, a MSP430 programmer is still expensive, where a pic programmer is cheap (especially clones)
Can anyone put me in the right direction?
I would like some help for my summer project.
I have a device that needs a microcontroller.
In short, it should do the following:
Read 3 analog inputs (each can give 3 different voltages)
These inputs should be saved when the device is powered on.
Whenever one of those inputs changes (voltage differs) after poweron, there should be send a signal through RF to operate a switch (power a (7)556 led/buzzer circuit for example)
Everything has to run on a battery, so a very low power microcontroller is needed here.
It also should go into sleep mode very often.
So in other words, it has to check every 50-100 milliseconds if one of the inputs differs from those recorded when the device was powered on.
The rest of the time, it should be in sleep mode to save battery.
Now, I don't have any real experience with microcontrollers yet, but read google for a week or so to learn more.
I've read about the very low powered MSP430 series from TI, but also a few PIC's that should work (have a pic16f1826 here)
So basicly, I want to know which microcontroller is best suited for this.
Keep in mind, I don't have a large budget for it (read: still need a programmer)
As far as I could find, a MSP430 programmer is still expensive, where a pic programmer is cheap (especially clones)
Can anyone put me in the right direction?