You need a microcontroller (I think, maybe there is something simpler out there). Check out www.sparkfun.com for all sorts of neat electronic components. I am working with a Microchip microcontroller (PIC32) but don't know much yet. I have read and heard the Arduino is easier to start out on.
Jason On Wed, Jul 8, 2009 at 12:56 AM, Modena <[email protected]> wrote: > > Good day all, > > I am going to be using a home-made canon, driven by c02 with a 12v > solenoid valve designed for 1000psi air. > > Standard paintball tank and adjustable pressure regulator will be used > to bring down pressure to around 200psi or whatever I find is required > through testing. > > Fire control will be by actuating the GEAR switch on my aero-style TX, > this switch will be replaced with a momentary push button. In effect > you could think of this as an electronic marker built to be controlled > by RC. > > So...... > > what I need is an adjustable timing circuit, something that works like > this: > > 1) press fire > 2) custom circuit switches a relay which provides power to the 12v air > valve, air valve opens, paintball shoots > 3) custom circuit "un-switches" relay after X milliseconds (time > adjustable via pot or similar) which removes power from valve which > causes valve to close > 4) custom circuit enters "delay" mode of Y milliseconds (adjustable > again) to allow canon to re-chamber the next round > 5) circuit is ready to fire again (as long as fire button was released > between step 1 and step 5) > > I really want this to operate as above regardless of whether the fire > button is "tapped" or held in.....holding the fire button down must > only operate the circuit once, so if you press and HOLD fire the > circuit will stop at the end of step 4 above and will not be ready > again until the fire button is released - otherwise it would be fully- > automatic, cool, but not playing by the rules! > > I know about the picoswitch which can do the relay switching off an RC > input for me, and this type of thing looks ideal for the timing logic, > but the timings are in the wrong range: > http://www.apogeekits.com/interval_timer_555.htm > > Can anyone assist here? I know stuff all about electronics, but it > seems if we can get this nailed down then certainly other RCTankers in > AU will have a need for this also. > > Ben > > > > --~--~---------~--~----~------------~-------~--~----~ You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat -~----------~----~----~----~------~----~------~--~---
