在农村和偏远农业区域,智能灌溉技术的部署仍然受到不可靠的电力基础设施、有限的互联网连接以及物联网(IoT)平台高能耗的限制。本研究提出了一种用于离网农业应用的、由光伏(PV)-电池子系统供电的能效优化IoT灌溉系统的设计与实验验证。所提出的架构集成了多参数环境 ...
We recently wrapped up a project that combined two things retailers always want: customer engagement and theft prevention.
A mid-sized manufacturing client came to us with a familiar pain point. Their production floor had no real-time visibility into equipment status. When a conveyor motor overheated or a compressor ...
How microcontrollers and single-board computers coordinate high-speed RF acquisition and generation. How SCPI and UART commands let simple controllers use advanced measurements without FPGA ...
MosquittoのBrokerとClientをインストールした後、備忘録にしたがい、コンフィグレーション・ファイルに設定を追加しました。 (参照した備忘録は以下のリンクになります。) またM5StickC-Plusにに ...
MQTT是做什么用的? MQTT 是一种轻量级消息传递协议,通常用于物联网设备,这些设备旨在实现节能且消耗最少的带宽。 MQTT ...
编译并下载程序,上传固件至mini D1 WiFi模块。 上传成功之后显示如下: arduino上阿里云所需要用到的四个库文件。PubSubClient ...
Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...
思路: 1.连接网络 2.登录ONENET 3.发布主题信息 #include #include 'WiFi.h'#include 'PubSubClient.h'#include 'Ticker.h'const char *ssid = 'anny'; //wifi名 ...
#include #include 'WiFi.h'#include 'PubSubClient.h'#include 'Ticker.h'#include 'uFire_SHT20.h'uFire_SHT20 sht20;const char *ssid = 'anleng'; //wifi名const char ...
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