PBP projects for R/C models

[Kenjones1935]

PICs are often used for controls. Do you all know of any available simulation packages?

[ScaleRobotics]

Here are some of the ones I know about. However, nothing is quite like the real thing. Especially when timing is important.

See the bottom of the page.

http://www.picbasic.co.uk/forum/cont...ctronics-links

[Kenjones1935]

Looks interesting, but I do not understand..... VBB says it is Arduino oriented.

"http://www.picbasic.co.uk/forum/content.php?r=95-Some-electronics-links" contains:

"http://www.virtualbreadboard.com free, nice graphics, some bugs, and some rebooting reported
Might work better with XP than newer Windows OS's."

Ken

[ScaleRobotics]

VBB is tri-lingual. It can do Arduino, Amicus, and 7 flavors of Microchip. I have not looked at it for a few months, but for free, it looked pretty cool. But, the closest thing to an 887 that it has is an 877.
Walter

[ScaleRobotics]

Oops, I guess it is not free anymore. Or at least, only free for 10 days. Looks like it is 9.95 for one month, or 59.95 for a year. They have added a few features since I last looked. Here is a shot from their logic probe demo:



And I guess there are 9 chips it supports from Microchip:

[Kenjones1935]

Folks from MIT's Lincoln Laboratory have taken an interest in my robocars for kids. LL has an Education Outreach program which schedules workshops each summer. If you like go to
http://roboworksmay22.eventbrite.com/

Note the sentence:

Follow-on workshops are planned for the summer where kids will learn to program general purpose processors to control sensors for an autonomous robotic NASCAR.

Let me THANK YOU ALL for all for two year's of support. LL seems Arduino oriented. I don't know why, but they have the resources and the prestige to take this to the next step.

I'll keep you informed if I can.

Ken

[mackrackit]

Hi Ken,

Sounds like things are finally rolling for you.

You may want to look at this section

http://www.picbasic.co.uk/forum/cont...r=346-amicus18

It is a hardware replacement for the ardrino that uses PICs and PBP.

[Kenjones1935]

Hi everyone, I have not disappeared..

I have a PBP question/problem. I need to create a pulse width modulated pulse every 20 milliseconds. I also need to have the PIC be doing all its work between these 20 msec events.

INTERRUPTS should do it, but I have not been able to decode the manual on how to use them. How do I (can you point me to an example?) set an interrupt for when a 20msec timer (driven by the 4mhz oscillator) overflows? During most of the 20 msec the PIC has to do its sensor triggering and decision making business. Every 20 seconds it must send out two carefully crafted pulses to the Electronic Speed Control and to the steering servo.

Help.....

[Kenjones1935]

Here I am again..... My R/C based model car robot is being marketed by Ten80 Education. The kit is down to aproximately $110. The target students are in middle school - seventh and eighth grades - ages 12 to 14. How do we help young folks conceptualize the microprocessor domain? -- Particularly without electronics like an oscilloscope? Please help me think of 'real world' examples like one demonstrating a millionth of a second and/or a machine driven my a megahertz clock.

Here's a short list

An Input - An Output - A pin
A signal -- a Digital signal -- an Analog signal
A microsecond - A millisecond
A pulse - The pulse width - pulse frequency
Ground (Gnd) - Operating voltage (Vcc) - A voltage regulator
Noise - DC motor - Electro Magnetic Force (emf) - Back emf
Servo
Resistance - A resister
microprocessor architecture terms
sonar - speed of sound

Ken

[mackrackit]

http://jricher.com/NEETS/

[Kenjones1935]

http://jricher.com/NEETS/

Thank you, Dave. That is exactly the kind of reference I need.
Got more ideas?

[Paolo76]

I wanted to know if the code that was posted for the ESC circuit goes equally well for a 16F84? Or you must adjust the appropriate door? Thank you very much.