MQTT is a lightweight client-server publish/subscribe messaging protocol, optimized for high-latency or unreliable networks. This protocol is a good choice for Internet of Things applications, ...
In this installment of Minimal MQTT, I’m going to cover two loose ends: one on the sensor node side, and one on the MQTT server side. Specifically, I’ll tackle the NodeMCU’s sleep mode to ...
It supports dual-stack IPv4/IPv6, MQTT, TCP/IP, UDP/IP, HTTP, and TLS/DTLS protocols, and the module is GSMA SGP01/02 compliant for remote SIM provisioning and firmware updates via FOAT and FOTA. The ...
!注意:请使用浏览器自带下载,迅雷等下载软件可能无法下载到有效资源。 0805W8F4701T5E贴片电阻阻值(欧姆):4.7K 精度:± ...
步骤2。通过IFTTT连接到谷歌助手 在这一步中,我们将把我们的谷歌助手连接到Adafruit IO MQTT Broker,以允许我们用语音命令控制灯光。为了做到这一点,我使用IFTTT (If this Then That)平台。 完整的程序在这个项目的最后给出。ESP32采用Arduino IDE编程。使用Arduino IDE连接 ...
The Official Eras Tour Book will be available to buy in Target in the US and online for international fans. Here's everything we know about it so far. Sharing the news on social media, Taylor ...
[导读]谁不喜欢扭曲的电吉他发出的隆隆声呢?它是许多重要音乐类型的关键部分,特别是在蓝调和摇滚音乐类型中,也经常用于硬摇滚,金属或朋克音乐类型。在这个项目中,我们将使用一个简单的电路为吉他构建一个基本的失真踏板。如果你正在寻找更多与 ...