There are several SMD diodes on a board, marked as: A, F1, F5, K2. They are black, and the size is similar to 0805. I can't find the specification sheet. Can anyone help me? Thanks in advance....
Currently, IAP upgrade is being performed. After importing the upgrade program from the external E2PROM into RAM, the PC pointer needs to be modified to point to the first address of the RAM space.Que...
[font=宋体][size=4]I wanted to use the block tail interrupt of the serial port to receive a complete modbus protocol frame tonight. When I came back, I just wanted to adjust it. I didn't expect that whe...
Transient and AC characteristics analysis is very important in the semiconductor industry to develop appropriate electronic modules and understand the state transition of devices.To simplify capacitan...
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
The update interrupt initialization configuration of the stm32 advanced timer TIM1 is not much different from that of the ordinary timer. What needs to be paid attention to is the configuration of TI...[Details]
The goal of this article is to build a TCP client based on the previous project that can ping the PC, and can actively send data to the PC, and can also send and receive data with the PC, and display...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[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]
The article is written for LPC2148, but it is also applicable to Samsung's 44B0 chip. You only need to select S3C44B0 as the corresponding CPU when selecting it. JLINK debugging experience un...[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]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
On May 8,
Google
I/O 2018 Developer Conference was held as scheduled in Mountain View, California. In the second year of the full promotion of the "AI first" strategy, artificial intelligen...[Details]
Notes on inverter installation and maintenance:
1. Before installation, you should first check whether the inverter is damaged during transportation.
2. When selecting an installa...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
Analog electronics
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