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Receiving Memory Allocation Error in Import [message #1858526]

Wed, 05 April 2023 23:25

Paul Naish

Messages: 1
Registered: April 2023

Junior Member

I used the Thonny Package Installer to install PAHO MQTT. On a RPI P400 it runs fine. I get a memory allocation error on the PICO W. If I comment out the IMPORT, the program runs till it gets to an error calling MQTT.

Is the PAHO MQTT too large to run on PICO W?

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Re: Receiving Memory Allocation Error in Import [message #1858833 is a reply to message #1858526]

Tue, 25 April 2023 15:17

Andy Piper

Messages: 18
Registered: November 2011
Location: Kingston upon Thames, UK

Junior Member

Yes, for a Pico W you're running MicroPython, which is not able to run Paho. You should look at a MicroPython MQTT library instead. There are some really good options listed via awesome-micropython. I regularly use micropython-mqtt

Developer Advocate | Eclipse Paho project | mqtt.org | andypiper.me

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