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MKD error:
linking...
LCD.axf: Error: L6218E: Undefined symbol EnZK (referred from ht128x64.o).
LCD.axf: Error: L6218E: Undefined symbol GetFlashCnBuf (referred from ht128x64.o).
Analysis: Und...[Details]
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1. Software installation Note: Before installing the DC Charger Characteristics Tester Data Management System , please install the office software containing excel first. 1.1 Software operating env...[Details]
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One of the hottest topics in the mobile phone market this year is that various brands have introduced 3D sensing ToF (time-of-flight) lenses in the rear camera. At this stage, ToF lenses appear to re...[Details]
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The debugging technology for LED driver chips mainly includes the following aspects. 1. Chip heating This is mainly for high-voltage driver chips with built-in power modulators. If the current ...[Details]
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On February 16, MediaTek released the first product of its Dimensity 7000 series, the Dimensity 7200 chip. This product is manufactured using Dimensity’s second-generation 4nm process, which is the s...[Details]
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On July 31, Japan's Murata Manufacturing Co., Ltd. announced its latest quarterly financial report. Sales from April to June 2019 increased by 3.5% year-on-year to 357.5 billion yen; consolidated ope...[Details]
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We have a microcontroller course this semester. I don't know why we have to write programs in assembly language. I feel that assembly programs are really difficult to write, so I recorded the experim...[Details]
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0 Introduction
Outdoor communication equipment has high sealing requirements. Since most products are installed on the top of buildings or towers, wind, sun and rain are the normal operating environ...[Details]
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describe
By using the OPA615 high bandwidth, DC restoration circuit, this reference design provides a high bandwidth, high precision sample and hold circuit for a variety of applications. The cir...[Details]
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A real-time clock capable of adjusting time is designed using the real-time clock chip DS1307. The design principle of using the real-time clock chip DS1307 with I2C bus interface for accurate timing...[Details]
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Scheduled! Xiaomi’s official Weibo account announced today that on September 24th, the #小米5G新品发布会# will bring two 5G smartphones at once: Xiaomi 9 Pro 5G and Xiaomi MIX 5G era concept phone, as well ...[Details]
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Preface
By analyzing the s3c2410_ts/s3c2440_ts module loading process, the bus-device-driver model and input subsystem framework in the Linux driver are analyzed.
Main process analysi...[Details]
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Function of
the circuit
Accurate conversion amplifier circuits can be used to obtain negative voltage outputs from positive standard
power supplies
or to add polarity to balanced...[Details]
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Some people are confused when they see that OPPO and vivo phones, which do not have top-notch performance and are priced high, have good offline sales. They think that OPPO and vivo are too good at d...[Details]
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According to foreign media reports, a South Korean research team has developed a thermoelectric material that can be used in wearable devices such as smart clothing and can maintain stable thermal ...[Details]