Basic Definition The full name of the MQTT protocol is (Message Queuing Telemetry Transport), which is a lightweight communication protocol based on the publish/subscribe model. Many textual descriptions of the MQTT protocol can be found online: it is a lightweight communication protocol based on the Publish/Subscribe model and built on top of the TCP/IP protocol. … Read more
Click the image above “Chuangxue Electronics” to easily follow and learn electronic knowledge. Chuangxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, allowing you to learn easily anytime, anywhere. This experience note was originally intended to be shared while writing my reflections on the Shanda … Read more
Abstract This article introduces the application of Profibus bus communication technology in the remote control of the DRW type rotor scale, elaborating on the bus communication configuration method and remote control logic for the cement project at Sinoma International in Indonesia BAYAH.
▲ Click the blue text above to follow us Gas Safety Knowledge – IoT Gas Meters Functions of IoT Gas Meters Taking the NB-IoT membrane gas meter as an example: The NB-IoT membrane gas meter is based on a cellular narrowband wireless network as a private network, using a membrane gas meter as the base … Read more
Wireless remote control modules are widely used in remote switches, vehicle unlocking, garage door control, access control systems, and other fields. A set of remote control receiving devices consists of a transmitting part and a receiving part. The transmitter encodes the control button pressed by the user into a radio frequency signal and then transmits … Read more
Currently, it seems that only a few new models on the market, such as Samsung S4, Nubia Z7, Huawei Honor 3, and HTC One, have infrared remote control functions. What should we do if our smartphone lacks this feature? Don’t worry, below I’ll teach you how to DIY this infrared remote control function. DIY Materials: … Read more
Remote control irrigation system for tea gardens based on STM32 Authors：XU Weihai, ZHANG Wu, ZUO Guanpeng, ZHANG Chao, YAO Yuqing, FENG Jinlei, MIAO Benben (College of Information and Computer, Anhui Agricultural University, Hefei, Anhui 230036) Abstract To accurately detect the water needs of tea trees during their growth and to automatically control precise irrigation in … Read more
Abstract: Traditional manual window switches can no longer meet people’s daily needs. To provide convenience and comfort in people’s lives, a control system for remotely switching building windows using a mobile app has been designed. The system mainly consists of a mobile terminal, a main controller, and an electric window opener. The control commands issued … Read more
Content of This Lesson Course Listening Address Overall Outline of Arduino Courses Note:The following red items have been updated and released Previous Chapter Chapter 1: Arduino Basics – Output Control 1. Light Up LED 2. Blink LED 3. Flowing Light 4. Buzzer 5. Air Raid Alarm 6. Music Master 7. Digital Tube 8. Countdown Traffic … Read more
Assembling LCD and generic LCD common bus access methods: Method 01: Press the menu key on the remote to display the OSD menu, then press 6480 to enter factory mode, complete within 3 seconds. Method 02: Press the menu key on the remote to display the OSD menu, then press 6087 to enter factory mode, … Read more