Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Help me interface PIC 12-hour clock with another PIC stepper motor controller

Status
Not open for further replies.

the_risk_master

Advanced Member level 2
Joined
Aug 12, 2005
Messages
662
Helped
79
Reputation
158
Reaction score
19
Trophy points
1,298
Location
UE+MIT, Philippines, (14°N , 120°E )
Activity points
5,527
Hi, I need to interface my PIC 12-hour clock to another PIC stepper motor controller, had anyone here has a simple schematic for me?

What I want to do is to set a time for the clock and at the moment the stored time exacts the current time , the stepper motor will rotate

please help,


thanks in advance,
the_risk_master
 

the_risk_master

Advanced Member level 2
Joined
Aug 12, 2005
Messages
662
Helped
79
Reputation
158
Reaction score
19
Trophy points
1,298
Location
UE+MIT, Philippines, (14°N , 120°E )
Activity points
5,527
Re: Help urgent!

Definitely not this one, rprodriguez

I know how to build my RTC using PIC16F84, my problem is how to create input time for alarm (In other words I want my PIC clock to be an alarm clock) then activate a stepper motor when alarm triggers


Is PIC16F84 still sufficient for this application?
 

rprodrigues

Member level 2
Joined
Nov 18, 2006
Messages
49
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Location
Itajubá MG Brazil
Activity points
1,653
Re: Help urgent!

the_risk_master said:
Definitely not this one, rprodriguez

I know how to build my RTC using PIC16F84, my problem is how to create input time for alarm (In other words I want my PIC clock to be an alarm clock) then activate a stepper motor when alarm triggers


Is PIC16F84 still sufficient for this application?

Is PIC16F84 still sufficient for this application?[/quote]


Hi again,

To input the time for alarm, you may use a RS232 interface and then use any PC-based program (as hyperterminal) to set the alarm time.

To activate the step motor pic, you may use an output line from RTC PIC and connect it to an interrupt line of the step motor pic. Once your RTC PIC reaches the alarm time, it can create a pulse in the "interrupt line".

Best regards.
 

siongboon

Advanced Member level 1
Joined
Jan 24, 2006
Messages
425
Helped
45
Reputation
88
Reaction score
10
Trophy points
1,298
Location
Singapore
Activity points
4,069
Re: Help urgent!

The PIC16F84a should be enough for the job.
You might need a clocking driver circuit for your stepper motor,
or you can also generate the clocking signal from the same microcontroller.
The signal can be fed to the transistor which will drive your stepper motor.

There are also stepper motor IC around which can
simplified your circuit.
I forgot the number.
L29x

I search from the internet, L298 for example.
Hopes this helps.
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top