Many people have done Bluetooth development, and many people can also add an attribute service by imitating the GATT routine, but many people may not be able to clearly understand the BLE attribute pr...
NVH testing has become a comprehensive issue to measure the quality of automobile manufacturing, and it gives the most direct and superficial experience to car users.
The NVH problem of vehicles is on...
Today is a good day. It's my turn to be on duty. Wow.
Blessings to the netizens who browsed the forum today: Happy Mid-Autumn Festival, and good health to your family~
At the same time, I wish teacher...
The electric grid is changing at an accelerating pace. The falling cost of solar panels has led to a proliferation of solar power installations around the world.
The inverter is an integral part of a ...
CC26xx has a dedicated chip supply voltage test function.
Here’s how:
1. Add the following header file to the simpleBLEPeripheral.c file.
#include driverlib/aon_batmon.h2. Add where needed
//BAT Monit...
[i=s]This post was last edited by jinglixixi on 2022-3-30 09:27[/i]On the AT-START-F425 development board, there are 3 LEDs and 1 user key, and its schematic diagram is shown in Figure 1.Figure 1 LED ...
On April 15, Weilan Technology released its 2020 annual report, stating that the company achieved operating income of 19.824 billion yuan, a year-on-year increase of 45.43%; the net profit attributab...[Details]
According to Jiwei.com, "Apple has launched an all-out offensive." A senior person who has been paying close attention to the mobile phone industry made such comments on the recently released new ge...[Details]
The transition to an all-electric future depends on low-cost, high-performance and safer batteries. Efforts to optimize the energy density and power of batteries with next-generation electrochemical ...[Details]
Now is the era of vigorous development of new energy vehicles. Everyone is scrambling to electrify, so why haven't fuel vehicles been completely extinct? Because the pain point of cruising range has...[Details]
Earlier, Lu Weibing, vice president of Xiaomi Group and general manager of Redmi brand, explained why they use glass on the 1,000 yuan phone. He said: "It is undeniable that the appearance of plastic...[Details]
Abstract: USB (Universal Serial Bus) is a widely used bus. Its advantages of plug-and-play, hot-swap, and compact interface have brought major changes to computer peripheral connection technology...[Details]
1. Framework 2. Startup process Most ARM chips start from address 0 NOR boot: NOR Flash base address is 0, on-chip RAM address is 0X4000,0000 The CPU reads the first instruction (the first four b...[Details]
There is this function in the interrupt, but I don't quite understand what's going on, so I looked for the answer online~ The original text is about s3c44B0, but it feels similar~ I'll sort i...[Details]
The circuit is shown in the figure. Its core device IC1 is TOP221 , a three-terminal high-voltage switch integrated circuit, which integrates a voltage-type pulse width modulation oscillator, a ref...[Details]
8051 has 4 groups of 8-bit I/O ports: P0, P1, P2 and P3. P1, P2 and P3 are quasi-bidirectional ports, and P0 is a bidirectional three-state input and output port. Let's introduce these ports se...[Details]
It is reported that Huawei, together with FAW Group (FAW Hongqi, FAW Bestune, FAW Jiefang), Changan Automobile, Dongfeng Group (Dongfeng Passenger Vehicle, Dongfeng Xiaokang), SAIC Group (SAIC Passen...[Details]
This section describes the interrupt handling of the ATmega32. For more general AVR interrupt handling, see P11 “Reset and Interrupt Handling”. (Click on the image to enlarge) Notes: 1. When the f...[Details]
HSH8927 is a new dual-channel audio circuit from PHILIPS. It has an input mute function, no current impact sound when turning on/off, and overload short circuit protection, which is suitable for the H...[Details]
There are several situations when a single-phase ordinary DC speed regulator is adapted to a DC motor:
1. The common Z2 DC motors in China are basically designed according to the former ...[Details]
October 16, 2024 -
In the wave of global digital transformation and the rise of big models, the global computing power industry is gradually shifting from being centered on computing units to b...[Details]
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