mangopi R3--Allwinner F1C200S one-step in-place compilation
Going around or playing MangoPi-R3! Because it is the core architecture of ARM9, it always feels obsolete, at least for the whole ARM-A7 architecture chip. Preface https://mangopi.cc/f1c_mainline https://wiki.dfrobot.com/MangoPi_R3_SKU_DFR0780 introduce This Mini development board is designed UTF-8...
Posted by OldWolf on Wed, 16 Mar 2022 02:53:54 +1030
The latest CubeMX configuration CAN communication tutorial, avoid stepping on the pit, and attach a full set of engineering documents
In the process of learning CAN these two days, I stepped through countless pits. All kinds of inexplicable crashes and unresponsive sending and receiving almost drove me crazy. It is also difficult to find the answers to my own problems by checking the information on the Internet. The stars livUTF-8...
Posted by Mikkki on Wed, 16 Mar 2022 03:16:03 +1030
[trial] Alibaba b2800 Internet of things development platform
Author: niu On RVB2601 development board, CH2601 main chip communicates with W800 WIFi/BLE module through SPI interface. W800 chip provides AT command on this interface for the main chip to use the functions of w800. According to the description in the W800 module AT instruction set, the W800 cUTF-8...
Posted by Todd_Z on Wed, 16 Mar 2022 19:38:18 +1030
STM32F107 LWIP access to Alibaba cloud MQTT
Record your development history. As usual, use CUBEMX to open ETH, FREERTOS (I gave rtos 30k of memory), LWIP (enable DHCP and DNS). Alibaba cloud's MQTT server is dynamic and needs to get ip according to the url. Download the SDK of MQTT on Alibaba cloud's official website Import the SDK into UTF-8...
Posted by tthmaz on Thu, 17 Mar 2022 11:09:27 +1030
(Exercise) Firefly esp32 and Little Love Sound - waking up your laptop
Catalog Initial work: Enter the topic: Initial work: (For comrades who have used ESP32, you can ignore this step) Download arduinoIDE first Software | Arduino I have a 1.8.18 direct version installed Check all installation options above Configure arduinoIDE: 1. File-->Preferences Copy the folloUTF-8...
Posted by drkstr on Sun, 20 Mar 2022 02:45:02 +1030
esp32 is connected to the Internet of things to display the outdoor temperature of Nanjing
esp32 is connected to the Internet of things to display the outdoor temperature of Nanjing This blog link: http://blog.csdn.net/jdh99 , author: jdh, reprint, please indicate Welcome to the community: Haiying Internet of things community Online document address introduce The weather is changeabUTF-8...
Posted by darkside_3k on Thu, 24 Mar 2022 16:03:34 +1030
Haiying Internet of things tutorial: Python SDK
Haiying Internet of things tutorial: Python SDK This blog link: http://blog.csdn.net/jdh99 , author: jdh, reprint, please indicate Welcome to the community: Haiying Internet of things community brief introduction This SDK is applicable to Python 3.0 5 and above. Using this SDK, nodes can conneUTF-8...
Posted by Pawn on Fri, 25 Mar 2022 09:06:30 +1030
Development of UDP server based on Netty
1. Preface Previously, a set of TCP and MQTT server was built based on Netty. With more and more terminal types accessed by the system, UDP communication equipment appeared. Although such equipment is not the mainstream and there are problems in the communication mechanism, in order to considerUTF-8...
Posted by delfa on Fri, 25 Mar 2022 11:38:43 +1030
Dolphin DB stream computing engine realizes sensor data anomaly detection
Dolphin DB provides a stream table and a stream computing engine for real-time data processing, including anomaly detection of sensor data in the Internet of things. The built-in anomaly detection engine can meet the needs of most anomaly detection scenarios. If the exception detection logic isUTF-8...
Posted by PromInc on Fri, 25 Mar 2022 19:27:40 +1030
In C language__ attribute__((weak)) and__ attribute__ ((weakref())
Explain weak symbols and weak references in C language in detail Introduction: I've been looking at some driver codes in linux recently. In order to realize the expansibility and compatibility of the program, many advanced features in C language are used in the driver code. This section will taUTF-8...
Posted by Ansel_Tk1 on Sat, 26 Mar 2022 16:21:36 +1030