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Finally got the ARM9 development board, opened the box and saw a thick stack of CDs. I ran to the computer and copied the CDs to
It took me a day to get it on the computer. There was so much informat...[Details]
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Although the ripple factor is greatly reduced after filtering , the output voltage is still not stable enough, mainly because when the load current or power grid fluctuates, the output voltage will...[Details]
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In recent years, low dropout regulators (LD0, Low Dropout Regulator), quasi low dropout regulators (QLDO, Quasi Low Dropout Regulator) and very low dropout regulators (VLD0, Very Low Dropout Regula...[Details]
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1 Generation and transmission of electromagnetic interference
There are two ways of electromagnetic interference transmission: one is conduction transmission, and the other is radiati...[Details]
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Paroken's current transmitter can directly convert the measured main circuit AC current into a DC4~20ma (converting DC 1~5v through a 250ω resistor or converting DC2~10v through a 500ω resistor) cons...[Details]
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Tianshui Huatian Electronics Science and Technology Park, located in Gansu Province, is one of the three major industrial parks of Tianshui's equipment manufacturing industry. After the science and t...[Details]
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HT48R50A LCD Display Sample Program ; ******************************************** ; Function : LCD显示示例程序 * ; MICroProcessor : HT48R50A-1/28SKDIP-A * ; Author: www....[Details]
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GW Instek's newly developed economical safety tester GPT-9600 series is moderately priced and can meet routine tests for major safety regulations, such as IEC, EN, UL, CSA, GB, JIS and other safety r...[Details]
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On November 6, the latest issue of SAIC's "Smart Cafe" was held in Guangzhou Deshe Life with the theme of "DMH Super Hybrid System". Zu Sijie, Vice President, Chief Engineer, and Dean of the General ...[Details]
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On March 22, State Grid Tianjin Electric Power Company launched a research project on comprehensively promoting the construction of ubiquitous power Internet of Things. This is an important project...[Details]
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A phase-locked loop (PLL) uses a phase detector to compare a feedback signal to a reference signal, locking the phase of the two signals together. While this property still has many applications, PLL...[Details]
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Summary: A combined current-sense amplifier and multiplier (MAX4211F) measures the voltage across the load and provides a voltage at one of its outputs (the power output) that is proportional to the i...[Details]
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Because of the time slice, freeRTOS itself seems unable to delay in microseconds. In practice, the following function can delay messages in microseconds. dwt_stm32_delay.h #ifndef DWT_STM32_DELAY...[Details]
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The Apple Watch's Digital Crown could provide additional ways to interact with the wearable in future versions, with the addition of 3D force sensing that could allow it to be used as a joystick...[Details]
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To jump from assembly to C you must use an absolute jump:
Project code:
Add main.o to Makefile:
Start.S:
Make compile:
Main.c code:
#...[Details]
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