[Diy_efi] wishlist closing

[Alexei Pavlov]

Hi Marcell,

Very impressive peripherals list.
I've tried to find schematics of WBO or other peripherals on the
MSAVR site but did not succeed. Is there any place where they are
presented or will they only be published when everything will be
finished ?

Alexei


cell at x-dsl.hu wrote:
> 
> Hi Guys,
> 
> I'm glad diy-efi is back.
> 
> As some of you already know, the v3 version of GenBoard controller HW
> (main field is ECM, but highly suitable for other controlling tasks too)
> developed at
> http://www.squirrelpf.com/msavr/index.php?page=HardwarePage%2FUnderDevelopme
> nt
> is in the final stage. There is some more space onboard (great we have 2
> sides,
> but the professional Econoseal-III connector steals much space) which we can
> fill, maybe you have wishes. The switching flyback (that can also supply
> voltage for
> ionsense) or your favorite knock circuit would be good candidates.
> This ECM is not underground fairytale..
> 
> Your opinion counts,
> have fun,
>     Marcell
> 
> Software is from the same powerful breed, as for the proven ancestor:
> http://www.squirrelpf.com/msavr/index.php?page=GenBoard
> It started with similar features as the good old megasquirt, real (stepper
> based) idlecontrol was added first, than came LCD support, keyboard,
> menusystem, powerful configuration system, eventqueue for sequential
> multichannel output operation, wbo2 etc..
> (using the fact that it has 10..20 times more free resources left
>  beyond basic operation than the good old megasquirt: IO, cycles, SRAM
> and more developer friendly architecture).
> The main idea, is that if one needs basic functionality, this ECM is just as
> easy as megasquirt (eg. supports megatune protocol!). If more functionality
> is needed, than much easier.
> 
> HW features (pasted from wiki):
> - AtMega128
> - analog filters for common sensors
> - 2 channels: "standard" optocoupled "coil" trigger input
> - 2 channels: digitally controlled WBO2 with currentdrive pump (YEEEAAH!)
> - 8 smart power drivers primarily for ignition banks (high voltage friendly
> trace clearance), but suitable for injector/other purpose (not HWpwm-ed)
> - 8 power drivers primarily for injector banks (each is HW-pwm capable).
> Suitable for other purposes, even ignition with some paint (for insulation
> beyond what solderprotect provides)
> - 2 extra channels of power drivers (from logic level FETs, similar to the
> WBO2 heater FETs)
> - 8 medium current drivers (max350mA low-side, eg.: LEDs, relays, small
> solenoids, MSD module)
> - 4 channel (x1A) bidirectional stepper driver ( idle-air stepper,
> whatever...)
> - low cost extra 8ch,12 bit ADC (MCP3208) for future enhancements
> - 2 x OPA input circuits usable as VRsensor or generic amplifier (eg.EGT)
> - Dallas [1-wire] (usable for whole range of apps: authentication, temp,
> logging-mem, USB, inter-board comm etc...) - RS232 port
> - small (AtTiny? little-guy or AtMega128 based) addon board for the flyback
> control, also usable as DC/DC at the same time - capable to produce IonSense
> voltage - or HW-stimulator or always-powered uC that listens for specific
> events and wake up the AtMega128 when necessary or other tasks, who knows
> what it will be useful for. This powerful flyback rail (the original MS
> flyback handled max 3A average with 100W heating; genboard 2.2 was several
> times better /motorola-ms guys applied it for their external flyback board/;
> the new switching flyback handles sane 3A average current with only 3W
> heating, and crazy high /beyond-efi/ 20A with only 30W heat!!! ). The
> AtTiny? has +4 ADC channels (10bit). It might jump back from addon onto the
> board, read below.
> - headers and connectors for various stuff, eg. engine connector, WBO?
> connector, power, LCD, keyboard, interboard-comm.
> - PCB can be stuffed with the professional EconoSeal?-III automotive
> connector (suggested for lowZ) or cost-efficient edge-DB37 connector (or
> case-mounted custom connector)
> - AD597 dedicated thermocouple (EGT) circuit
> - designed for worldwide available Alubos1600 case, easy assembly (slide-in,
> max 2 L-shaped heatsinks attached to top of case) and group-manufacture of
> endplates for econoseal and the most common cases people require. (DanaScott
> thinking on forking a PCB variant that fits into Ford EEC case and some
> people will want case-mounted connector with the pinout of their favorite
> ECM).
> 
> _______________________________________________
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> diy_efi at diy-efi.org
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