I encountered some problems. I used the capture function of F149 to capture waveforms and do decoding! I found that some waveforms in the TB0 captured waveforms could not be captured! I don’t know why...
As the title says. I am using STM to control SIM300 to send MMS. I don't know how to send the image file to the serial port. The image is obtained by the camera. Or from the SD card. Thank you....
The Concerto series is a new processor just launched by TI. Its structure is C2000 DSP+CortexM3 ARM. From my point of view, this device is particularly good for industrial control. C2000 is specialize...
I want to send many strings from PC: receive 8 bits at a time, then send 8 bits, receive 8 bits again, then send 8 bits again. But the program I wrote is like this. Sometimes the PC can receive 8 bits...
When using FDS9721_LP3 as a test PCB tooling, a switch is required to control multiple chips.
Because when testing voltage and resistance, the chip channel used is a PIN pin. I don't want to use a swi...
When reading FLASH, when reading 0X08007FFD, the program enters hard_fault. Why? Writing to this address is OK, why does it fail when reading data from this address? Can someone help explain it? Thank...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Microcontroller MCU
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