I have been using Raspberry Pi Pico’s for years, programming in MicroPython using the Thonny compiler. I use them to run all sorts of control and timing devices in my laboratory (doppstein.com). Some control temperature using Peltier devices.
Now I have a Pico W. I want my Raspberry Pi Pico W to send me a text message if the temperature runs over or under some envelope. Programming the chip is easy to join our network (using one to time a clock). But sending the text is proving to be problematic.
I have a TFN from Twilio and their SID and Auth Token. The code runs fine, but at the end sends a “401” error. I know my authorization is correct because I cut-n-pasted it to prevent typos.
Has anyone out there gotten a “W” to send a text to a phone? I sure would like some advice. I would be happy to share my code so far if you want.
Thanks,
Bob
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