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On January 1 this year, Smartisan launched a pair of true wireless Bluetooth earphones, priced at 249 yuan, and the new product only costs 199 yuan. At that time, there was only a white mode...[Details]
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When compiling U-boot for mini2440, to compile an executable file -bin that can be used on the ARM platform, you must first install the cross-compilation tool chain in Ubuntu. Because I use the devel...[Details]
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1. When STM8 uses UART2_SendData8(uint8_t Data) function to send data, the data will be lost because the library function does not judge whether the sending is completed; 2. The registers are modif...[Details]
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On April 18, Yan Chuanwei, researcher at the Institute of Metal Research, Chinese Academy of Sciences and chief scientist of Liaoning Kejing New Materials Co., Ltd., visited Beijing Green Vanad...[Details]
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The profitability of global LED packaging manufacturers is declining. Although the decline is not as large as that of chip manufacturers, the profit margins of enterprises are also continuously compr...[Details]
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#include "kernel.h" unsigned int PWM_Buf ; //6-channel PWM frequency unsigned long timer0_ticks; unsigned long timer0_tickssec; unsigned long timer1_ticks; unsigned long timer1_ticksmin; unsigned l...[Details]
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With much anticipation, Google TV, which was only heard of in the past, finally made its debut at the Google I/O conference in May this year. Google TV is a conceptual TV platform that integrates c...[Details]
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1. Resistance measurement method Remove the laser diode and use a multimeter with R 1k or R 10k to measure its forward and reverse resistance values. Normally, the forward resistance value is between...[Details]
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Jiwei.com reported on March 11 that the well-known mobile phone evaluation organization DXOMARK recently announced the camera scores of ZTE Axon 20 5G, with a photo score of 89, a video recording sco...[Details]
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1. Fault phenomenon: 10db and above attenuation power is inaccurate; startup error Error finding operating system, operating system not found 2. Testing process After receiving the instrument, we f...[Details]
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According to foreign media reports, Ford plans to invest $100 million in the Kansas City Assembly Plant and add 150 jobs to support the production of the upcoming electric version of the Transit truc...[Details]
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Internet retailers are actively involved in the manufacturing industry. Diversified demands have put forward higher requirements for manufacturing production efficiency and response speed, which obvi...[Details]
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Abstract: This article introduces the application of USB interface in serial communication, discusses the conversion of USB interface to RS-232 interface and the simplified design of USB interfa...[Details]
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Overview
Keithley's new WiMAX test solution provides users with unparalleled flexibility in developing and testing 802.16 OFDM/A products. The platform is also well suited for engineer...[Details]
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Flowmeters are widely used in petrochemical production and run through the entire process. Flow measurement is indispensable in any link. Inaccurate flowmeter measurement affects the product quality o...[Details]
Test/Measurement
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