• Duration:18 minutes and 55 seconds
  • Date:2015/08/19
  • Uploader:chenyy
Introduction
keywords: Maker raspberry pie MQTT
How to communicate via MQTT (Message Queuing Telemetry Transport) instant messaging protocol.
Unfold ↓

You Might Like

Recommended Posts

"God DIY" an electric screwdriver power supply
[size=5]A few days ago, I bought 3 second-hand electric screwdrivers on 38hot. [/size] [size=5] The model of the Taiwan Jiyou brand is CY-26D, 100 yuan for 3 pieces. [/size] [size=5] I have always wan
littleshrimp DIY/Open Source Hardware
Ask God
I defined the clk_3 variable as reg type, but it gave me an error saying "Illegal left hand side of continuous assign". Why is this happening? Is there any in-depth information about the use of assign
saf806 FPGA/CPLD
Audio Hardware Basics
1. CODEC:audio compression CO + decompression DEC, CODEC is a multimedia digital signal codec, mainly responsible for DAC and ADC. Whether it is an audio accelerator or an I/O controller, their input
fish001 Analogue and Mixed Signal
How to build a "full-power" chip
Chip design faces a variety of challenges in many aspects, which require network and system design expertise as well as chip technology to solve. Ultimately, customers always want to reduce total syst
soso FPGA/CPLD
Is there any chip suitable for LED color temperature adjustment that can achieve stepless adjustment of LED color temperature?
Is there any chip suitable for LED color temperature adjustment that can achieve stepless adjustment of LED color temperature?
vinarhuang DIY/Open Source Hardware
Is the 485 on the development board automatically sending and receiving?
[size=3][color=#333333][font=微软雅黑, 微软雅黑,][color=#006400]A:[/color][/font][/color][/size][size=3][color=#333333][font=微软雅黑, 微软雅黑,][color=#000080]I tested the code on the PC, but it doesn't work on the
明远智睿Lan Industrial Control Electronics

Recommended Content

Hot VideosMore

Circuit

可能感兴趣器件

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

About Us Customer Service Contact Information Datasheet Sitemap LatestNews


Room 1530, 15th Floor, Building B, No.18 Zhongguancun Street, Haidian District, Beijing, Postal Code: 100190 China Telephone: 008610 8235 0740

Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号