I just received the board over the weekend. Thanks to EEWORLD and ST.I won't say much about the board. It's as impressive as ever. I just started using CUBEMX. The first step after getting the board i...
A constant current source is a power source that can provide a constant current to a load. Therefore, the application range of a constant current source is very wide and it is indispensable in many ca...
I made a self-made optocoupler screen clicker, using ne555 pulse module, adjustable frequency duty cycle, and 817c for optocoupler. There is no problem with the circuit and wiring, but no matter wheth...
1. When multiple clock signals of different frequencies are required in the system, programmable clock chip is preferred;2. When a single clock signal is used, a crystal clock circuit is selected;3. W...
[i=s]This post was last edited by MianQi on 2021-7-13 15:32[/i]At first, the platform was Ubuntu 20.04 and the IDE was CCS. The homepage of CCS was like this:However, this IDE alone is not enough, you...
Burn the project in the nRF5_SDK_15.2.0_9412b96\examplesfcecord_text folder to 52840 and read it through NXP's pn532:The data of the NFC block is shown in the red line: Hello World![code]static ret_co...
Let me briefly explain my superficial understanding of NAS on the market.
1. Brand.
There are many NAS brands on the domestic market, among which Synology and QNAP have the largest user groups ...[Details]
In the fourth industrial revolution, popular raw materials such as graphene and nanosilver have attracted much attention from the outside world. South Korea has taken the lead in obtaining internatio...[Details]
Open RAN has attracted global attention, even from U.S. politicians, who see it as a way to avoid the use of Huawei and ZTE equipment in U.S. networks. Now that Open RAN has crossed the hype cycle,...[Details]
After clarifying the process, we can start writing the program in sequence. The first step is to set the interrupt vector table. In ARM11, the interrupt vector table is called the except...[Details]
In order to summarize the learning experience of PIC16F616 microcontroller some time ago and facilitate communication, the expert wrote this article about the learning experience of PIC microcontrol...[Details]
1. Watchdog (WDT watch dog timer) The watchdog is actually a counter, and its function is to prevent the program from falling into an infinite loop or running away. The watchdog is a piece of har...[Details]
Many people have this question when using a gas detector: How long can it be used? Many users think that the gas detector can be used until it is completely damaged and cannot be used. In fact, is th...[Details]
This thing is actually very simple. It relies on monitoring the MCU to detect 0x7F sent when STCISP is turned on, and then restart.
My design is to receive 10 consecutive 0x7F and then restart the MC...[Details]
principle Introduction to Dot Matrix External part of the dot matrix Internal structure of the dot matrix Similar to the matrix button, connect the LED anodes or anodes of each row or column in ...[Details]
Ross Young, CEO of screen analysis agency DSCC, revealed in the latest news that Huawei Mate 40 will also join this year's 120Hz high refresh rate camp. Currently, among Huawei phones, the h...[Details]
Beijing, China, February 21, 2024 - The process of lightning occurrence is extremely complex, and there are still many mysteries. Professor Cummer and his team at Duke University in North Carolina, U...[Details]
4.1 Patterns and exceptions Exceptions occur when normal program flow is temporarily halted, such as in response to an interrupt from a peripheral. Before handling an exception, the current processor...[Details]
element14 supplies Mounts Torque range of high precision torque and calibration tools for quality and process control Shanghai, China, July 12, 2021 – Farnell, the global electronic components prod...[Details]
(January 10, 2024) Macroblock Technology demonstrated its latest LED driver chip at CES 2024, suitable for automotive lighting and cockpit display applications. At CES 2024, the world's largest consu...[Details]
At present, vigorously promoting sustainable development and accelerating the comprehensive green transformation of economic and social development have become the common goals of all walks of life...[Details]