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1. Model: 2611B 2. Fault: Error message when starting up, code 5001, 5003, 5051, no output. 3. Analysis, testing and judgment: Error 5001 is a fatal error, and the error content is that the SMU ...[Details]
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This electronic watch is designed based on MEGA8 single-chip computer and LED digital tube. It has comprehensive functions and can display month, day, hour, minute, second, and set alarm. It is design...[Details]
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When I was working on a project with STM32F103VCT6 recently, the IO of PA15 kept outputting a high level. I checked the program many times and found that there was no problem with the IO initializat...[Details]
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Boot from u-boot (1.1.6) in sd card u-boot loads the kernel (4.0) of the first partition (formatted as fat16) in the sd card, and then the kernel starts. // If a partition is to be formatted as fat...[Details]
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High-precision positioning chips are necessary for smart terminals to perceive absolute positions. They have the characteristics of high entry barriers and wide applications.
High-...[Details]
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When I was studying Chapter 9 and Hardware Communication in "Linux Device Drivers (3rd Edition)", I was not very clear about the concept of IO bus, so I looked for relevant information. Now I summari...[Details]
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Celebrate the holiday season together with exclusive Black Friday discounts at your own dedicated Holiday Center Shanghai, China, November 22, 2023 - element14, a global distributor of electronic c...[Details]
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Xiaomi's second speaker with screen, Xiaoai Touch Screen Speaker Pro 8, is officially launched. The screen has doubled from the first generation's 4 inches to 8 inches, and is priced at 499 yuan. The...[Details]
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The program written on x86+Linux runs well on PC, but when it is cross-compiled with ARM gcc and sent to DaVinci target board for running, a Bus error occurs.
The position that appears is as follows ...[Details]
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On April 12, Tianma Microelectronics Co., Ltd. announced that according to the company's development strategy plan, the company plans to invest in a joint venture project company in Xiamen through it...[Details]
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According to foreign media reports, information about new phones accessing the Brazilian National Telecommunications Bureau ANATEL shows that the battery capacity of the iPhone 12 mini is 2227mAh, wh...[Details]
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On April 1, Aichuang Micro completed a 30 million A+ round of financing, which was completed by Feixi Industrial Investment Holding Co., Ltd. The investment funds will be mainly used for the construc...[Details]
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CD4047 500W 12V 220V Inverter Circuit can convert 12V DC to 220V AC. 4047 is used to generate square wave. The basic formula is P=VI between input and output of transformer, input power=output powe...[Details]
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Experience 1: Use "software trap + program password" to deal with the flying of PC pointer
When the CPU is disturbed by external factors, the PC pointer may sometimes fly to another program segment...[Details]
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Soft starter and auto-coupling step-down starting are two different motor starting methods. They have certain differences in starting principle, structure, performance, application, etc.
...[Details]