[align=left]Programming of the digital potentiometer x9221 I am currently working on a topic, using a microcontroller to control the digital potentiometer x9221 connected to the lm393p. Our hardware h...
The following warning appears when debugging in IAR:
Wed Apr 11 18:11:39 2012: The stack 'IRQ_STACK' is filled to 100% (598 bytes used out of 598). The warning threshold is set to 90.%
There are too m...
[i=s]This post was last edited by chenzhufly on 2014-2-13 22:09[/i] I have recently studied the use of lighttpd under beaglebone and would like to share it with you. You can google for more informatio...
Please help me~ What is AMS 1085CT 0344? I want to use it to convert power to 2.5V. How do I design the specific circuit? Does anyone have its documentation? Can you please send it to me? My email add...
The price of the Traditional and Simplified Chinese products has been reduced by 30%, and you can use them for free first After China joined the WTO and e-commerce emerged, the trade between the mainl...
Is there anyone on the forum who can tell me how to understand the rated power and maximum power of a speaker and how to calculate it? If an oscilloscope is used to measure the input signal at both en...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
All relevant units:
In accordance with the relevant requirements of the provincial and municipal electric vehicle charging infrastructure construction work, in order to further standardize the...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[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]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[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]
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]
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]