The definition of strtoul is: unsigned long strtoul(const char *str, char **endptr, int requestedbase, int *ret) It can be seen that ADS1.2 will point the NULL pointer to address 0, but address 0 is w...
I have used OPEN AT to complete the GPRS activation part, but why can't I receive anything in the data stream? I can receive PPP packets by using ATD*99***1# in the hyperterminal. How can I use OPEN A...
In the MCS-51 microcontroller, a 12Mhz clock is used, and timer T0 uses mode 1 (16-bit counter). In the following program, what is the output frequency of p1.0? MOV TMOD,#01H SETB TR0 LOOP:MOV TH0,#0B...
[i=s]This post was last edited by dontium on 2015-1-23 12:46[/i]A relay is an electrical control device. It has an interactive relationship between the control system (also known as the input circuit)...
[i=s]This post was last edited by littleshrimp on 2020-10-19 19:44[/i]I bought the magnet on September 30th, but the seller gave me the wrong address and sent it to another city. I didn't receive it u...
littleshrimpST Sensors & Low Power Wireless Technology Forum
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Abstract
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RFID technology will be ubiquitous in the future, and there is no doubt about it, because it brings convenience and timeliness to people, which means efficiency and...[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
As a single-host multi-slave bus system, the number of slave devices that can be connected to a 1-Wire bus is almost unlimited. In order to avoid logical conflicts, the 1-Wire bus interfaces of all...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
1 Introduction
In the current test field, the correlation detection method is increasingly widely used for filtering. Correlation filtering can easily separate a signal of a specific frequency...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
Chapter 1 Proposal
Endless salespeople interrupt your normal work schedule;
Employees leave their work stations without permission during working hours;
Unauthorized persons ente...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
Complex circuits and 3D EM simulation tools have reached a point where complex system-level behavior can be simulated before fabrication. Performing EM simulations simultaneously with circuit simul...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
Nowadays, video conferencing has become a situation where multiple manufacturers supply various high-definition products. The technology of high-definition products has greatly matured, the cost h...[Details]
Embedded System
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