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When using active probes for testing, the most common mistake is using the probe beyond its dynamic range. We often receive calls from customers saying that when they use active and passive probes to...[Details]
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After testing, it was found that the RF front-end mixer was faulty, resulting in no signal detection and self-calibration error. Repair process The damaged components were replaced and the enginee...[Details]
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Recently, Wuxi Sineng New Energy Co., Ltd.'s CP series distributed inverters passed the China efficiency test and won the "China Efficiency" Class A certificate. It is the first distributed photo...[Details]
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Take USART1 of stm32 as an example By default, PA9 is used as TX and PA10 is used as RX. When you need to enable the multiplexing function, you need to modify the following codes: 1. Turn on ...[Details]
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I have always wanted to use WinARM. In fact, if the storage space in ARM7 is limited and the CPU is not expandable, I would not choose WinARM as a product development tool. This is purely my personal ...[Details]
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On October 28, ZTE Corporation issued an announcement stating that it plans to purchase 18.8219% of the equity of the company's holding subsidiary Shenzhen ZTE Microelectronics Technology Co., Ltd. (...[Details]
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Z scanning is a method used in optical nonlinear measurement. This method can be used to measure the size, positive and negative, and nonlinear absorption coefficient of the nonlinear refractive index...[Details]
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The following points should be noted when using silicon photocells:
① The output characteristics of silicon photocells are related to the load. Under certain lighting conditions, when the load is ...[Details]
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All district and county people's governments, and relevant municipal units:
The "Implementation Opinions on the Development of Huzhou Energy Storage and Hydrogen Energy Industry (2023-2027)" h...[Details]
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The motor shaft is hollow, which has good heat dissipation performance and can make the motor lighter. In the past, most motor shafts were solid, but because the stress during the use of the motor ...[Details]
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LED lamp (Light Emitting Diode) is also called light emitting diode. It is a solid-state semiconductor device that can directly convert electricity into light. The heart of LED energy-saving lamp i...[Details]
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Automobile diagnostic technology is an indispensable part of automobile safety technology. It can give voice alarm in time when the car fails to avoid accidents. CAN, or controller area network, is on...[Details]
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ARM processor working mode
User mode user
Fast interrupt mode FIQ
External interrupt mode IRQ
Privileged mode supervisor
Data access abort mode abort
Undefined instruc...[Details]
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1 SWI interrupt processing steps: 1) When entering an interrupt, pc- lr, cpsr- spsr, and cpsr_mode are set to privileged mode, all of which are completed by hardware. 2) Registering the interrupt vec...[Details]
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Electric vehicle ownership will increase by 33% by 2025
By 2025, pure electric vehicles will account for 73% of all electric vehicles
Automakers will be able to recycle 95% of e...[Details]