[PSUBS-MAILIST] SEMjr - DIY Electronic Project

[Philippe Robert via Personal_Submersibles]

Ok Nice ! So the the SEMjr with the teensy can be very expendable. I didint
realise the power of the teensy.

Le lun. 21 déc. 2020 6 h 52 p.m., Jon Wallace via Personal_Submersibles <
personal_submersibles at psubs.org> a écrit :

> Philippe,
>
> I chose Teensy for this project because it offered the biggest "bang for
> the buck" in terms of functionality and performance.  Teensy 4.0 has a
> 32bit-600 mhz processor whereas the Arduino line is limited to 8bit-16mhz
> processors.  The footprint was important, but of course something like the
> Arduino Nano also has a small footprint.  However, the Teensy packs so much
> more functionality in it's footprint, 7 serial lines, 3 SPI lines, 3 I2C
> lines, even 3 CANBUS lines.  The Nano has only 1 Serial, 1 SPI, and 1 I2C.
> So for the same footprint, the Teensy easily dwarfs something like the Nano
> in terms of functionality and performance.
>
> Now, I could make the argument that this type of project really doesn't
> require a 32 bit - 600 mhz processor, and I could have implemented Software
> Serial to get the additional serial lines I needed from the Nano, but that
> would have minimally complicated the coding and also consumed many of those
> limited 16mhz cpu cycles to run the additional code.
>
> The bottom line is that using the Teensy just made everything easier to
> implement.  The only weakness of the Teensy, if there is one, is that you
> have to install Teensyduino on top of the Arduino IDE in order to use the
> Arduino IDE to load and program the microprocessor.  However, it really is
> a seamless installation and only required once.  It's not much overhead
> considering all the Teensy hardware offers.
>
> Jon
>
>
>
> On Monday, December 21, 2020, 05:58:41 PM EST, Philippe Robert via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Thank Jon for sharing your work !
>
> I have a question about the Teensy 4.0 microprocessor. What is the
> benefit to use the teensy instead of arduino Atmel based microcontroller ?
>
> Regards
>
> Philippe
>
>
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