The maximum charging current of my CN3052A is only about 250mA. Does the specification say 500mA? Can the heat dissipation problem have such a big impact? Since I need to charge with USB, I cannot sam...
1. Avoid eating before going to bed: After a person enters a sleeping state, the activity rhythm of some parts of the body slows down and enters a resting state. If you eat before going to bed, the st...
I use pic18f452 for development, maplab plus C18 compiler. When processing a data, after the processing is completed, I don't know why, when entering other functions, the value of the variable changes...
I use Microsoft Visual C++ 6.0 to practice writing C programs. When I finish writing one program and then write the next one, compile is fine, but build will report an error. "[color=rgb(51, 51, 51)][...
I just started to work on drivers and I don't know anything. I hope you can help me see how to modify the following code and transplant it into my board (my board is Samsung S3C2410, NAND FLASH chip i...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]
In recent years, in addition to Huawei Kirin
chips
in the mobile phone industry
, Xiaomi's own processor Pengpai S1, AI
chip
start-ups such as Cambrian, Horizon, and Deephi Technolo...[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]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
Take serial port interrupt as an example: like: void serial() interrupt 4 { } and void serial_uart() interrupt 4 { } The functions of both functions are to define the serial port interrupt function. ...[Details]
While imaging industry experts know that Apple has designed a complex 3D camera for its iPhone X, called "TrueDepth," most of the details of the 3D system inside the module, including chips, componen...[Details]
1. Analysis of the main causes of AVR damage: The AVR circuit consists of three parts: the rectifier main circuit, the voltage detection circuit, and the comparison control circuit. Excluding the...[Details]