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USB RFID + Python + Pub-Sub (MQTT)
Hi,Great post.This is a request for guidance.My ESP8266 module connects to “test.mosquitto.org” and subscribes to a topic say “b1”. What ever is published to “b1”, it can read it immediately.Problem happens when my second ESP8266 module subscribes to “test.mosquitto.org” to “b1”. It continuously returns :WiFi connectedIP address:192.168.0.9Attempting MQTT connection…connectedMessage arrived [b1] 0Attempting MQTT connection…connectedMessage arrived [b1] 0Attempting MQTT connection…connectedMessage arrived [b1] 0Attempting MQTT connection…connectedCould you kindly suggest what might be going wrong. I look forward to your advice.
Can you confirm the power supply you're using?
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