First of all, there are definitely simpler ways to monitor remote temperatures, but [Mike]’s remote MQTT temperature sensor and display ... an MQTT gateway and Node Red takes care of the ...

Now it’s time to add some sensor and display ... yellow is warm, and red is hot. To do so, we’ll connect a WS2812B LED to another ESP8266 node, read the temperature from the broker, and ...

the awesome LightBlue Bean module that provides a Bluetooth low energy connection for Arduino based projects has this week announced a new update that brings with it support for Node-RED.