Temperature and Humidity

Siemens PLC and MQTT Protocol: IoT Application Examples

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Siemens PLC and MQTT Protocol: IoT Application Examples

Hello everyone! Today, let’s talk about how to connect Siemens PLCs in the workshop to the Internet of Things (IoT). The MQTT protocol (think of it as a “WeChat group” in the IoT world) is being used more and more in factories, and it’s essential to know how to work with it! After over a … Read more

Raspberry Pi and Arduino Serial Communication with DHT11

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Raspberry Pi and Arduino Serial Communication with DHT11

Arduino has a rich set of external interfaces, and the biggest difference from Raspberry Pi’s IO ports is that Arduino has analog input interfaces that can measure analog values on IO ports. The communication scheme between Arduino and Raspberry Pi via serial (Serial) generally has two methods: one is through Raspberry Pi GPIO serial communication, … Read more