This creative project requires regular command issuance and polling of sensor nodes, so this article records the process of using aos_timer .
1. Introduction to system timer
The timer of AOS is based ...
I have been planning to make a multifunctional portable USB power supply that can be controlled by USB, WiFi, Bluetooth and MicroPython (in fact, the first version of the prototype has been completed ...
The previous article on NTP usage is already very long, so I will write another article on the subsequent code tracking process. Out of curiosity, I analyzed the code of the NTP implementation process...
[i=s]This post was last edited by Wuzu Simeng on 2022-10-7 22:05[/i]Intelligent animal video recognition monitoring system based on Raspberry PiAuthor: EEWorld-Azuma Simeng
1. Brief introduction of th...
1. Stable circuit, especially power supply, the overcurrent capacity should be able to reach 3A instantaneous value. When the module is in idle state and sending state, the voltage fluctuation must no...
The refrigerator is indispensable in the daily life of modern families. It has the important function of storing food, and almost every family has a refrigerator. During the Chinese New Year, because...[Details]
1. Operating Instructions 1.1 Timing (Data & Clock) TC04B is equipped with a serial interface that allows simple communication with external devices. When the touch chip detects that the touch key ...[Details]
1 Introduction Temperature control meters have been widely used in many fields such as industrial control. The intelligent temperature control meter with computer communication function introduced ...[Details]
Embedded system is an important part of the field of pan-computing. It is a special computer system that completes a specific function in the embedded object host system. Embedded systems have the a...[Details]
1Main circuit scheme
1.1 Power supply circuit
This power supply is designed for a 30 kW switched reluctance motor controller. The main circuit of the motor power converter is an asymmetri...[Details]
According to the BBC, users can play Fortnite again on iOS and iPadOS, but through Nvidia's GeForce Now cloud gaming service (via Safari). Nvidia has reportedly developed a version of its GeForce N...[Details]
Based on the idea of balancing the active nodes of noise, a new transformer EMC design method is proposed. Experimental verification shows that compared with the traditional design method, this met...[Details]
There are two ways to operate stm32: using official library functions (see stm32 development environment MDK+ library file configuration ) and directly operating registers. The method of directly o...[Details]
(3) Remote control functions: ground remote control and locking, remote opening and closing operations of underground switches, circuit breakers or contactors, protection signal reset operations and ...[Details]
In recent years, as the product quality awareness of end-user companies continues to increase, the GMP certification of the pharmaceutical industry has made relevant regulations on the online detectio...[Details]
1. Allocation of S3C2440 address space
1. The memory controller of s3c2440A has the following features:
l Big and small endian (selected by software)
l Address space: 128M bytes per bank (1G by...[Details]
There is no absolutely correct car model, only the best choice that fits the times. While the reputation of pure electric vehicles is still wavering between being useless and really good, PHEV plug...[Details]
PLC motion control refers to the PLC system controlling the motion axis of the motion device to achieve precise, stable and programmable motion control functions. It can control the position, speed...[Details]
LED packaging technology is mostly developed and evolved on the basis of discrete device packaging technology, but it has great particularity. Generally speaking, the die of discrete devices is s...[Details]
1. Overview
This article will introduce how to use Intel Atom series CPU to build a high-performance, upgradeable hardware platform that not only meets the basic vehicle requirements such ...[Details]
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