Chapter 6 serial port
catalogue
1, WIFI module (ESP-01S)
1. Basic information about the module
2. AT instruction
1) Understanding concepts
2) Common AT commands of ESP-01S
3. Programming
1) Configure ESP-01S as Client
📓 How to debug the program? - White box test
2) Configure ESP-01S as Server
2, 4G wireless communication module (EC03-DNC)
1. Basic informa ...
Posted by kml2katz on Tue, 24 May 2022 12:23:44 +0300
Introduction to Modbus protocol and implementation of Java code
author
Sheng Sheng Hu
Reasons for recommendation
The concept and characteristics of modbus protocol and the arrangement of java implementation have certain reference significance for entry. Introduction to Modbus Protocol
Modbus is a communication protocol, which is a general language mainly used in electronic controllers. Modbus supports a ...
Posted by jtacon on Mon, 16 May 2022 07:40:41 +0300
Arduino's case of realizing digital thermometer through RXTX Unicom JAVA
Relevant projects have been uploaded to the personal blog project for learning
key word
OLED display
RXTX, IIC communication
Database connection storage
Real time detection (1s / time)
Data analysis
Any temperature and humidity upper and lower limit alarm
Use of Arduino u8glib and DHT Libraries
The design studies the design and implement ...
Posted by jagdpenta on Thu, 12 May 2022 16:38:43 +0300
RT thread studio Usage Note: connect to alicloud through 4G module
summary
This article takes you to connect to Alibaba cloud platform based on the 4G module in the previous article
Portal:
RT thread studio notes (VI): use of 4G module SIM7600
https://blog.csdn.net/tigerots/article/details/108132814
reference material:
https://help.aliyun.com/document_detail/89301.html?spm=a2c4g.11186623.6.706.bec8429dZD ...
Posted by asterinex on Tue, 10 May 2022 04:24:35 +0300
Use mesh, Lora and NB communication methods to quickly build Internet of things solutions for shared parking spaces
1, Foreword
This paper mainly discusses how to quickly realize the networking scheme analysis of shared parking spaces based on Internet of things technology.
If you want to be able to quickly build its prototype, you can choose shineblink Com. As a special development board for the Internet of things, the development board has simple pr ...
Posted by derwert on Wed, 04 May 2022 04:33:42 +0300
30 minutes to start HaaS applet development
1. Introduction to applet
Applet is an application that can be used without downloading and installing. It realizes the dream of "within reach" of the application. Users can open the application by scanning or searching. It also embodies the concept of "run out and go", and users do not need to care about whether to install ...
Posted by ranam on Tue, 03 May 2022 09:14:06 +0300
ESP-NOW: there is such an easy-to-use wireless communication method | ESP32 learning journey - Arduino version
Use Arduino to play the ESP32 series historical article directory:
ESP32 overview and Arduino software preparation
Introduction to ESP32 GPIO interface programming
Bluetooth page turning pen (Bluetooth keyboard and PPT controller)
Fan counter of station B
Siri speech recognition control LED light
Siri speech recognition obtains sensor data
Int ...
Posted by Ruiser on Thu, 28 Apr 2022 14:59:13 +0300
Verilog reads BMP pictures and connects them to Axi stream simulation. The poor use guide of DocNav is attached
Verilog reads BMP pictures and connects them to Axi stream simulation. The poor use guide of DocNav is attached
BMP file format analysis (with color table) and Verilog's Axi stream access simulation (II):
In this article, you will see:
After the BMP file is parsed, the rough Verilog simulation is builtAxi stream authentication IPPoor DocNav ...
Posted by Dimensional on Thu, 21 Apr 2022 08:36:43 +0300
arduino is the best in the world (Critical Theory) -- transplanting smart cat eye and SDDC connector to arduino
preface
I've seen the official play with a smart cat's eye camera before. I'm very interested, but the IDF platform is really difficult to complete. I've only installed it for a whole day. There may be a problem with the package that is hard to download on the Internet. Then the command line operation is also troublesome. I thought of the invin ...
Posted by kelas on Wed, 20 Apr 2022 12:22:09 +0300
Introduction to DHT11 temperature and humidity module
catalogue
1. Module introduction
2. Judge whether DHT11 module exists
3. Timing analysis of DHT11 data
 4. Upload the temperature and humidity data to the computer
1. Module introduction
DHT11 digital temperature and humidity sensor is a temperature and humidity composite sensor with calibrated digital signal output. Application ...
Posted by Sillysoft on Sun, 17 Apr 2022 08:55:12 +0300