1. Selection of insertion loss and filter circuit When users select filters, they are most concerned about the insertion loss performance. However, filters with similar insertion loss often have ver...
Since the data bus width is set to 16 bits, the LPC2200 external memory pin address output lines [A1~A20] should be connected to the SST39VF160 chip [A0~A19], and its physical address access range is:...
[align=left][color=rgb(0, 0, 0)][font=Verdana, Arial, Helvetica, sans-serif][size=12px]The RFID system consists of five components, including: transmitter, receiver, microprocessor, antenna, and tag. ...
LAN Industrial Site Monitoring SubmissionIt's not finished yet, just submit as much as you can, the time is up. The rest of the time these days is taken up.Figure 1 is another expansion boardFigure 2 ...
【10,000 cash】I want a Shenzhen MCU expert to solve a small problem. The project is very simple. Just use the software on the PC to send commands to the MCU to control the phone keys. For example, 1. C...
When calling RAPI function with VC6.0 on PC, you can know whether it is connected to CE device normally through CeRapiInit() or CeRapiInitEx() function. But when I wrote this code on EVC, it can't com...
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[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]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[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]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
Kevin Jensen ams Semiconductor
Sensors
and lighting expert. Let's learn more about the relevant content with the network communication editor.
Everything is becoming "smart" these ...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
Title: Use the table lookup method to convert a hexadecimal number into ASCII code. The input parameter is placed in the internal RAM 50H, and the output parameter is in R0. Requirements: Complete th...[Details]
Requirements: Set timer T1 as an external event counter, count 500 pulses every time, then switch T1 to timing mode and output a positive pulse with a width of 10ms at P1.2. Over and over again. A...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]