Many data sheets describe a series, such as the msp430X1XX series. After reading them, you may find problems in the process of using them. For example, the msp430F149 series data sheet says that it ha...
I am using BSL downloader to connect to the computer and it is displayed as COM12, but in the BSL download software there is a serial port selection with the highest being COM8, what should I do :Sad:...
I have just started learning AVR and my level is limited. Now I want to use the SPI mode of Atmega32 to read and write SD cards. At present, I am doing simple reading and writing without adding a file...
PCB photos:And its matching heat sink:Installed together:And its matching development board, thanks to [color=#000][backcolor=rgb(232, 243, 253)][font=Helvetica, Arial, sans-serif][size=13.33333396911...
In the late 1990s, the global communication network began to expand on a large scale, first with the continuous expansion of wide area networks, followed by the large-scale construction of metropolita...
I use the URU4000B device and have downloaded the Biokey 3.8 standard SDK. I followed the steps in the CD to install the driver and registered the Biokey.ocx control. When I use VC to develop and read...
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
LAN8720 configuration: IP: 192.168.192.30 Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[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]
1) Independent watchdog has no interrupt, window watchdog has interrupt 2) Independent watchdogs can be divided into hardware and software, while window watchdogs can only be controlled by software...[Details]
Introduction: As a power electronic device, the photovoltaic inverter mainly converts the direct current generated by the photovoltaic module into alternating current. Because there are thousands o...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
Unfortunately, my serial port has some problems and I can't print information. I can only debug to view variables and see the values. Fortunately, there is not much AD conversion code, and I can use ...[Details]
Microcontroller MCU
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