Essential resources include:Two 16-bit timersAn ultra-low power 8-bit ADAn 8-bit DASupports up to 11 IO portsThe basic features are as follows:Ultra-Low Supply Voltage (ULV) Range0.9 V to 1.5 V (1 MHz...
The pda is connected to the PC via USB and is recognized as a mobile hard disk. It reports a USB error when tested through activesync. I have just started learning wince programming and have many ques...
I defined a CBitmapButton object m_btn in the header file, and then in the OnInitDialog() function I first created it with m_btn.Create, then added the bitmap to the button with m_btn.LoadBitmaps(...)...
[i=s]This post was last edited by lugl4313820 on 2022-9-16 21:59[/i]【Purpose】SPI drives ST7735 LCD screen
1. Define ST7735 driver IO:
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Problem description: As shown in the figure, when I input 5V voltage at pin 2, I measure it at pin 3 and it outputs 5V voltage, which is normal. However, other conditions remain unchanged. I change th...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[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]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated
blockchain
. Let's follow the embedd...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[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]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
One addend is in the on-chip RAM 40H, 41H, 42H units, the other addend is in the on-chip RAM 43H, 44H, 45H, and the sum is stored in the 50H, 51H, 52H units, with the carry bit stored in 00H. Please ...[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]
The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[Details]
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