This is an ADI chip in the laser radar that I disassembled last time. The silkscreen is DN BJ. It should be used as a digital potentiometer or DAC. It seems that I could search for Marking Code on the...
UWB is the only solution that can help with contact tracing and social distancing as many industries fight the coronavirus pandemic. The sensor in the tag, which can be worn as a wristband or ID badge...
1. Global Local Package 1. Global Local Plan 80: The basic monthly fee is 80 yuan, including 200 minutes of basic local calls. The local call charges exceeding the limit are charged at 0.40 yuan/min...
ssd1306 can display English and numbers in 8*8 dot matrix, but this is not a built-in function of the ssd1306 display. It inherits the built-in library 'framebuf' of MicroPython. The text method of fr...
0 Introduction
DC regulated power supply is a relatively common electronic device, which has been widely used in many fields such as electronic circuits, experimental teaching, scientific resea...[Details]
Run the LED program on the mini2440 (S3C2440) board to make GPB5 output low level and light up the LED. Simulate code in ISRAM 1. The complete program of Led_on.s is as follows code: ------...[Details]
On September 11, Beijing time, Apple held an autumn new product launch conference in the United States. The new iPhone 11 Pro series was equipped with a rear triple camera for the first time, includi...[Details]
Content excerpted from "S3C2410 Complete Development Process"
Before starting the subsequent experiments, we have to understand the use of the arm-linux-ld connection command. In the above experiment...[Details]
In the context of global energy shortage and increasing environmental protection requirements, the 2008 Beijing Olympic Games and the 2010 Shanghai World Expo, which attracted worldwide attention, b...[Details]
The iPhone may have a periscope lens after all. Jahwa Electronics announced this week that it plans to spend 191 billion won to build new facilities to produce the new models. Jahwa is a supplie...[Details]
A "dual-sensory" therapy that combines precisely timed sound and touch has shown impressive results in reducing people's experience of tinnitus, a common and debilitating form of hearing loss that ma...[Details]
Preface: I saw several public accounts reporting a few days ago (actually from Electrek, it is believed that an engineer Marco Gaxiola's analysis and evaluation of the PCS hardware has achieved bidi...[Details]
rock-paper-scissors. China's Internet environment is extremely prosperous, which gives car companies more room to play in the field of in-vehicle connectivity. As the three major Internet giants i...[Details]
Not long ago, vivo announced that it would hold a new product launch conference on April 11 to officially release its first folding screen flagship vivo X Fold, its first tablet vivo Pad, and t...[Details]
On Semi's NCL30100 is an LED driver controller with an efficiency greater than 95%, a switching frequency of up to 700kHz, no output capacitor required, a VCC operating range from 6.35 to 18 V, and ca...[Details]
Recently, scientists have developed a new spray that can turn walls into radiators. Researchers at the China campus of the University of Nottingham in the UK invented this technology. The spray t...[Details]
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