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    Medical resources are in short supply in my country. The development of local intelligent monitoring networks in hospitals can reduce the workload of medical staff and improve their work efficien...[Details]

Introduction: The Internet of Things is the next stage in the development of the Internet. At first, we only connected computers and smartphones to the Internet. Now, we connect a series of devices a...[Details]

With the continuous growth of motor vehicle ownership in major cities, road traffic accidents are becoming more and more frequent. Among them, due to the disorder of traffic lights or the failure t...[Details]

1 Introduction Traditional radar transmitters use dedicated signal generation modules, which cannot arbitrarily set waveform forms, parameters, signal center frequency, signal power, etc. ...[Details]

Introduction Environmental monitoring is an important application field of wireless sensor networks. In order to collect environmental data in a certain area, sensor nodes need to work in har...[Details]

     News on the evening of March 18th, Apple released several new products tonight, including the iPad Pro tablet, MacBook Air notebook, and mini host Mac mini. 　　Mac mini is the "supporting role" o...[Details]

Apple launched a number of new iPads this year, but the cheapest is the 8th Generation iPad (2020). New leaks suggest this model will be updated early next year and will be more affordable. The 8th...[Details]

　　It is well known that green LEDs cannot reach the performance level of equivalent red and blue LEDs. But by reducing the current density, using a larger chip and optimizing the growth conditions to...[Details]

In a project, we often use many status flags. Often we define these variables in the program, and these variables often occupy a byte, but we only need a status bit. Defining variables in this way not...[Details]

1. The cJSON object root created does not have cJSON_Delete(root); the system crashes after executing it once 2. The string char *str obtained by cJSON parsing root, free(str), returns an error mes...[Details]

      According to foreign media mspoweruser, today the whistleblower @MaxJmb said on Twitter that Samsung is preparing to launch a pair of true wireless earphones called Galaxy Buds Z2. The position...[Details]

In fact, many consumers may ask, since LED TVs use LED backlights, how are their backlights classified? Let's take a look at it together. At present, according to the type of LED backlight techn...[Details]

The working environment of microwave oven controller is relatively bad. First of all, the temperature of the oven cavity is relatively high, and the temperature near the controller is also relative...[Details]

When using LEDs, attention should be paid to moisture and intrusion prevention standards. The IP (INTERNATIONAL PROTECTION) protection level system was drafted by IEC (INTERNATIONAL ELECTROTECHNICA...[Details]

On October 22, according to the official WeChat account of Huai'an District, Huai'an Weishi Technology Co., Ltd. (hereinafter referred to as "Weishi Technology") is about to start trial produc...[Details]