[size=5]I can run the program in the Keil environment and the communication is normal; but when I leave the Keil environment and power on again, it fails to run normally? [/size]...
Let’s start with the simple ones.1. The program first performs HWREG(SYSCTL_MWRALLOW) = 0xA5A5A5A5; because // 0xA5A5A5A5 must be written before some registers protected by MWRALLOW can be rewrittenFo...
Whether it is a traditional spectrum analyzer using analog IF processing or a modern spectrum analyzer using digital IF processing, both are swept frequency architectures that implement RF swept frequ...
Yesterday I designed an IIR filter and wrote a test program: the filter is a low-pass filter, which is required to filter out the frequency band above 20KHZ. The program is as follows: #include "filte...
Article 56 of the Genghis Khan Code states: "If a pit is dug after the grass turns green, causing damage to the grassland, or if a fire causes the grassland to burn, the whole family shall be sentence...
Experience in selecting BLE chips Currently, the mainstream Ble single-mode chips include CSR's CSR1000 series, TI's cc254X, NORDIC's nrf800x and nrf51822, and Broadcom's bcm20732. Since the Bluetooth...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
Batteries are a core component of new energy vehicles, accounting for over 40% of the total cost. This is also the area where automakers are most willing to tamper with costs. Since 2021, domestic ...[Details]