h2omatt

Also i do have some MCP2551 on order as they seem to be preferred transceivers.

Thanks for the fast response! Ahh good catch I just ordered MCP2551 to have them on hand. I have some MCP2562 on order now too!! I did the your temperature...

Yeah the look like terminating resistors to me... I removed my external wire and wired them directly together but still no luck. going to try a few more things but...

I tried your MessageSender.INO file and all I get is PNG send failure. do you think that is do to the transceivers module I choose? if so hopefully its fixed...

I got some MCP2562 transceiver in but still no luck. I updated my crappy schematic for reference. Is there an issue with the fact I'm running a teensy 4.1? https://www.digikey.com/en/products/detail/microchip-technology/MCP2562-E-P/4079966?utm_adgroup=Integrated%20Circuits&utm_source=google&utm_medium=cpc&utm_campaign=Dynamic%20Search_EN_RLSA_Buyers&utm_term=&utm_content=Integrated%20Circuits&gclid=Cj0KCQjw2NyFBhDoARIsAMtHtZ5pKNwbT1OR70DtOW2FS2I3mjRXc96d4iaSxv44297vIPij7h8ZLgQaAgpwEALw_wcB...

I did supply the Vio with 3.3v but did not ground the STBY. testing now to see if I can get something working. what do you think is a good...

@bigalnz no I haven't. unfortunately had to put it aside for a little bit. I really want to learn more and how it works. my personal email is [email protected] I...

> The connection to MCP2562 on picture is wrong. You must connect: > > * Vdd to 5 V > * Vio to 3.3 V > * STBY to GND...

WOW.... Vdd=5v.... that was my problem the whole time... and that was should of been the easy part. @ttlappalainen thank you for you patience. I am looking forward playing with...

Timo, I am not trying to control the NAC-1? Replace it with my own version. I want to see if I can improve accuracy and I want to integrate some...