[i=s]This post was last edited by Jacktang on 2022-3-6 16:29[/i]GD32F103 is an early product of GD. GD32E103 and GD32F303 are upgrades and optimizations of GD32F103, so the four are compatible. Althou...
A journey of a thousand miles begins with a single step. When learning PCB design, beginners must not be impetuous, and laying a solid foundation is the hard truth. If you want to be an excellent PCB ...
[i=s]This post was last edited by gs001588 on 2022-1-20 20:55[/i][Evaluation of domestic FPGA Gaoyun GW1N-4 series development board]——11. Click on the LCD1602 screenI have written a 12864 display app...
Bluetooth connects us to the world through our smartphones. We connect to our door locks, thermostats, and even our cars. But is all Bluetooth the same? Do you use the same Bluetooth you use to stream...
Yesterday afternoon, Huawei held a press conference in Shanghai and officially released the Chinese version of its Mate 30 series. Among them, Huawei Mate 30 5G and Mate 30 Pro 5G will be officially ...[Details]
1. Scheme design and demonstration 1.1 Overall solution design DC electronic load based on manual adjustment of microcontroller control. This scheme uses two self-locking switches to control the...[Details]
General wake-up requirements Small current draw Vehicle "asleep", no Ethernet traffic: 30 to 50 μA per PHY from battery. Vehicle "awake", some Ethernet traffic, but no specific ECU required: 750 μA...[Details]
1: External interrupt When we studied key drivers before, we detected whether the key was pressed by round-robin (that is, what we call an infinite loop). Although this can detect the key press, it...[Details]
The safety of electric vehicles (EVs) is affected by multiple factors, including battery technology, vehicle design, software systems, etc. The following are several key technology areas where cont...[Details]
OPPO is popular again! Its OPPO Reno4 series models were officially launched on June 12, attracting a high level of attention. Not only were they sold out in seconds in the online live broadcast room...[Details]
When I first came into contact with the TFT video screen, I was indeed afraid of it, but Han Shi insisted on learning it; in the end, when I used it to mark points, all problems were solved ! ! Becaus...[Details]
There are more and more leaks about Apple iPhone 12 and A14 processor chips. Recently, the whistleblower @laobaiTD also exposed spy photos of Apple A14 processor on Twitter. It is not clear wheth...[Details]
Which sound quality is better, the tube amplifier or the transistor amplifier?
1. Working characteristics circuit structure
Transistor amplifiers work at low voltage and high current. The...[Details]
The transfer function of an operational amplifier (op amp) at DC is established by using resistors as gain adjustment setting elements. In the general case, these elements are impedances, which may i...[Details]
On August 2, at the "Leading the Megawatt Supercharging Era" Ecological Series Suzhou Station event, Suzhou Jiaotong Xinneng and Shenghong Co., Ltd. held a megawatt supercharging intention cooperat...[Details]
Abstract: The circuit drives a high-power white LED (WLED) and turns off the LED when the temperature is too high and the thermistor fails open or short.
White LED Driver with High-Temperature Pro...[Details]
Liquid crystal displays (LCDs) are powered by rechargeable lithium-ion batteries. Stora Enso is exploring the conversion of lignin produced at its Sunila mill in Finland into hard car...[Details]
1 Principle The 51 series microcontroller has more than two 16-bit dual-channel timers (TIME0 and TIME1), and each channel can be selected as an input capture mode to measure the pulse width. We use ...[Details]
pc：Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]
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