[i=s]This post was last edited by paulhyde on 2014-9-15 03:28[/i] I need help. What is the 50 ohms in the circuit? ??? How do the gains of 0.1 and 0.01 come from? ??? Please help me, experts! !!! !!! ...
[color=rgb(0, 0, 0)][backcolor=transparent][font=Tahoma,]I have been downloading the STM32 minimum system board with the ST-LINK debugger. Just now, for some reason, the download suddenly went wrong a...
According to the Dutch Financial Daily on the 20th, Philips of the Netherlands will enter the car navigation market in September this year and challenge the Dutch TomTom company that dominates this fi...
There is a code like this in the bsp.c file of the transplant code. Can anyone explain it? ? Thank you very much~~ CPU_INT32U VIC_SpuriousInt; static void VIC_Dummy (void) { while (1) { (void)VIC_Spur...
1. Hot air leveling The general process of hot air leveling is: micro-etching → preheating → flux coating → tin spraying → cleaning. Advantages: longer storage time; after the PCB is completed, the co...
Dong Yang, executive vice president of the China Association of Automobile Manufacturers, said on the 26th that according to the authorization of the Ministry of Industry and Information Technology...[Details]
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I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
Different from 51, AVR and other single-chip microcomputers, the clock signal sources of msp430 include LFXT1, XT2 and DCO. 1. LFXT1: It can connect high-speed and low-speed crystal oscillators. In l...[Details]
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The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[Details]
;Question: The 80C51 single-chip microcomputer has a fosc = 6MHz. It is required to use the T1 timer working mode 1 to perform a timing of 40ms. And P1.7 periodically outputs a rectangular wave with ...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]
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