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Temperature and humidity are 2 of the most important factors affecting people’s comfort level in an enclosed space. The DHT humidity and temperature sensor can read the ambient temperature and humidity every 2-3 seconds, and then pass the data to Ameba who will forward them to the server using MQTT protocol. Whoever “subscribing” to the right topic gets the data almost instantaneously. Users can then adjust the aircon mode or temperature according to the readings received. An android phone was used as an MQTT client and the Ameba RTL8195 Dev. Board acted as another MQTT client communicating with the android phone. Both clients have to connect to the same MQTT server before proceeding to the next step. The DHT sensor updates its data every 10 seconds to stay as accurate as possible. Once sensor data is received, Ameba then “publishes” the data to the MQTT server where all clients “subscribing” to the right topic gets the data displayed on the console. GitHub page https://github.com/Realtek-AmebaApp/Ameba_Examples/tree/master/RTL8195AM/003_DHT_MQTT Official pages https://www.amebaiot.com.cn/en/ https://www.amebaiot.com/en/ Facebook pages https://www.facebook.com/groups/AmebaIoT/ https://www.facebook.com/groups/AmebaIoTWW/ BiliBili channel https://space.bilibili.com/45777743
This is a simple IoT project based on the “mqtt basic” example that comes with the Arduino package when you install the RTL8195 on Arduino IDE. In this project, simple passive components are used to aid in demonstrating the power of bidirectional communication of MQTT protocol which is widely used in modern IoT applications for its advantages in speedy response and lightweight. In the video, an android tablet was used as a MQTT client and our Ameba RTL8195. Board acted as another MQTT client communicating with the android tablet. Both client have to connect to the same MQTT server before proceeding to the next step, you may choose to set up own MQTT server or using an online free server. Please refer to the video link, GitHub source code, https://github.com/Realtek-AmebaApp/Ameba_Examples/tree/master/RTL8195AM/002_MQTT_BASIC Official pages https://www.amebaiot.com.cn/en/ https://www.amebaiot.com/en/
Hi, I would to share what i found recently. The AmebaIoT RTL8195 board. Looks like it is a very powerful board for IoT and WiFi related projects. I am going to dig more about it and sharing more myself DIY projects with you guys. Hope you guys can give me some technical suggestions about my project. Please refer to the video link, This video is a small embedded project named “LCD 24H Clock” featuring RealtekTM Ameba RTL8195 development board as the microcontroller. The Ameba board is pre-programmed with code written in Arduino IDE and connects to the LCD screen via I2C protocol. The 24H clock is capable of displaying hour, minute and second on the LCD screen and counting up to 24 hours. It will reset itself after time has passed longer than 24 hours. GitHub source codes, https://github.com/Realtek-AmebaApp/Ameba_Examples/tree/master/RTL8195AM/001_LCD_24H_Clock AmebaIoT Official pages, https://www.amebaiot.com.cn/en/ https://www.amebaiot.com/en/ YouTube & BiliBili channel, https://www.youtube.com/channel/UCplqTUNYZEoIKs0nAWf9DCQ https://space.bilibili.com/457777430