True that. Still thinking at <$4 in under 10 quantity, it may be useful for daughter boards. A $2 USB UART makes a package. Any special considerations for pin reassignment, or just find a similar type pin and designate it in code? Would be nice to be able to select 2561 for code option, but have not done this before, so need some basic guidance.noisymime wrote:Not saying this isn't something to look into as it definitely makes for a good package, but there are pros and cons.
Only for the crank and cam inputs, they must be attached to the hardware interrupt enabled pins. You'll have to read through the datasheet to figure out which ones they are on the 2561.PSIG wrote:Any special considerations for pin reassignment, or just find a similar type pin and designate it in code?
You're free to use any ports you want as new pin mappings can be added fairly easily. The only exception to this are the crank/cam (and soon to be flex) inputs as they must be attached to one of the pins that allows for external interrupts.NickZ wrote:Aliexpress is where i found the 2561 20 for $26 and free delivery, sounds too cheap but will see.
I guess i will have to convert the port numbers to correspond to a Arduino pinout so i know what pins to set in the Firmware or is there a easier way?
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