hatfieldr

Hi Nick I have a similar problem using PubSubClient. It connects to wifi & to MQTT server & publishes fine but does not receive subscribe data. I have an ESP8266-01...

Hi Florian Thanks for replying I am using a Mosquitto MQTT broker (1.4.10) on the RPi (3) It's part of the emonpi software from the OpenEnergyMonitor group. The arduino sketch...

Hi Florian I have a BT router, all my current experiments are on my home network, I don't think its a router problem. The mosquitto server on my Pi 3...

Hi Florian My sketch is based on one of the examples so I guess it has the right format. The broker on the Pi seems to be working fine .......

Hi I do know about the different voltages! my issues are not related to level shifting I originally used resistive dividers to shit levels, I now use a level shifter....

Update 2 command line publish on the Rpi works fine $mosquitto_pub -u 'xxxxx' -P 'xxxxxxx' -t 'switch' -m '1switchon' This is received on my android mqtt client but not the...

I solved the problem by calling: if (!client.connected()) reconnect(); & client.loop(); every 100 ms instead of every loop If you are not flashing the code to the ESP but are...

Dear Ian Thank you for your comments, apologies for the delay in getting back I tried your suggestion and the wheel seemed to build ok but I was unable to...

Ian Thank you so much for your help. I did a fresh install of Raspbian OS 12 "Bookworm" which comes with Python 3.11.2 I installed Cython 3.0.7 I had a...