[simpits-tech] CanBus F-15C project relaunch!

[JOHN POWELL]

There shouldn't be any need to use the ESP32 WiFi. Should work fine just as a ridiculously overpowered but cheap controller scanning switches and driving LEDs, etc. All communication would be wired rather than problematic RF. Still, it would be really hard to beat the cost advantage of a $4 Pi Pico. I've seen CAN libraries for ESP32, but not (yet) for the Pi Pico. I tend to fumble my way through software so probably I'm just not looking in the right places.


> On 01/30/2023 1:41 PM geneb <geneb at deltasoft.com> wrote:
> 
>  
> On Mon, 30 Jan 2023, JOHN POWELL wrote:
> 
> > I lean in the massive overkill direction. It reduces cabling and makes 
> > it much easier to pull a misbehaving unit and test it on the bench. Cost 
> > is low. An ESP32 dev board can be had for about $7. It only needs a 
> > transceiver chip to talk CAN. At least that's what's advertised. Up to 
> > now I've been in the Arduino + MCP2515 camp, but Arduino and ESP32 price 
> > trends are nudging me out. I recently got ESP32s and xcvr chips, but 
> > that particular project hasn't popped off the stack. (I've got to get 
> > the digital-to-synchro Ebook done before it grows any bigger.)
> >
> 
> My concern with the ESP32 board is how it would perform basically inside a 
> faraday cage, with the bonus of a bunch of struture that could cause 
> severe multi-pathing problems.  I'd probably need an AP inside the front 
> avionics bay. :)
> 
> > That said, I/O architecture depends on what you're starting with, what you've got, and where you plan to go.
> 
> Yep.  I think a combination of a Teensy and CANBus might be the way to go, 
> but supplies of Teensy boards have been problematic for quite a while. 
> Maybe a Pi Pico would be a good choice there - they're super cheap and 
> easily obtainable...
> 
> g.
> 
> 
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