[Robotgroup] Parts donation

[Gray Mack]

That would be great.

Whats an RC40 board you ask:

http://www.compubotics.com/rc40support.htm

Looks like a board made for a PIC 16F877, a 5v regulator, a serial to RS232 level shifter, and a bunch of pin rows to connect servos or I/O cables. 

With a bootloader installed into a pic from a programmer you can load user programs through a serial port without further need for the programming hardware. You will need a loader application that goes with the boot loader and an example of how the given boot loader will call your routine. This is how the VEX works. It makes it less expensive to get started in PIC programming.
-Gray

----- Original Message ----
From: "douglasee at att.net" <douglasee at att.net>
To: The Robot Group Mailing List <robotgroup at puremagic.com>
Sent: Tuesday, June 5, 2007 5:20:32 PM
Subject: Re: [Robotgroup] Parts donation


I can match up those PIC's with bare RC40 boards if anybody is interested. Also, I have a good bootloader for the '877.

-de



-------------- Original message from "Paul Atkinson" <pmatkinson at gmail.com>: -------------- 


> There is an RS-232 based stepper project here. It could be used for lots of 
> other things by leaving off the FETs and power resistors. 
> http://cq.cx/pics/next-milling-machine-new-controller.jpg 
> I believe the Eagle file is readily available for it. 
> 
> Paul 
> 
> On 6/5/07, Clendon Gibson wrote: 
> > 
> > Perhaps it would be a good idea to find a PCB design that would be a 
> > starter board for the PICs. This would give us a 'smooth' transition from 
> > the art of PCB photo etch to the art of PIC applications. 
> > 
> > ----- Original Message ---- 
> > From: Paul Atkinson 
> > To: The Robot Group Mailing List 
> > Sent: Tuesday, June 5, 2007 11:04:28 AM 
> > Subject: Re: [Robotgroup] Parts donation 
> > 
> > Cool, perhaps we can combine the survey results with some donated parts, 
> > and 
> > er... make something. How about a PIC based class or special interest 
> > group 
> > (SIG) after we get done with Robo-fest, Marvin's field trip, PCB class, 
> > etc 
> > 
> > Paul 
> > 
> > On 6/5/07, Gray Mack wrote: 
> > > 
> > > Nice, these are around $8 a piece. 
> > > I think I saw 5 people interested in PIC programming on the survey. 
> > > I have several '877s in my stock at all times. Pic16 series are easiest 
> > > programmed in assembly (you really need a pic18 if you want to do ansi C 
> > > work) but they are great for timing critical applications like led 
> > driving, 
> > > analog input monitoring, servo controllers, motor driving. 
> > > 
> > > For example you could write a program for serial to stepper motor driver 
> > > where you send it X,Y,Z vectors from a PC and it handles the step timing 
> > (a 
> > > common problem when driving stepper motors from a PC). 
> > > Just getting the ideas flowing. 
> > > 
> > > -Gray 
> > > 
> > > 
> > > ----- Original Message ---- 
> > > From: Mark Hinkle 
> > > To: The Robot Group Mailing List 
> > > Sent: Monday, June 4, 2007 5:56:16 PM 
> > > Subject: [Robotgroup] Parts donation 
> > > 
> > > 
> > > I have had a windfall here at work. Some parts were being surplussed 
> > > and I would up with four tubes of microcontrollers. I have 20 
> > > PIC16F877 and 25 PIC16F876. I plan on donating five each to TRG. 
> > > The '877s are 40 pin DIPs and the 876' are 28 pin SOIC. 
> > > If I get REALLY crazy, I'll toss in a couple of my MC68HC11F1 (in 68 
> > > pin PLCC) that I have had sitting around for years.. 
> > > Where do I send them? 
> > > Cheers, 
> > > Mark (aka Robomarkov) 
> > > --------------------------------------------------------- 
> > > http://robomarkov.livejournal.com 
> > > --------------------------------------------------------- 
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