[i] I made a simplex wireless transmitter, using AD9851, DDS frequency synthesis chip. The output modulation wave has a sine wave from nowhere, with a frequency of about 600KHz. The frequency of the w...
I have been studying hardware for more than half a year, but I feel like I have no idea what I am doing. From the 51 single-chip microcomputer to the FPGA, I feel like I don't know more and more, and ...
[align=left][color=#000]Welcome back to the DC/DC converter datasheet series. [url=https://bbs.eeworld.com.cn/thread-491041-1-1.html]Given the introduction to system efficiency in the previous article...
Our company is testing LDO products, but during the test process, the output voltage of some batches is higher than the standard voltage regulation value, resulting in a low yield; I would like to ask...
Can the Zigbee coordinator specify how many routers or terminals to add? For example, if the maximum number of sub-devices is 30, can it specify that a maximum of 10 routers and 20 terminals be added?...
Chinese translation result: The Chinese translation result is not very good, only part of it is translated. Many TI things are still in English, and some translations are not very accurate. Code Compo...
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[Details]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
ZTE was punished, and Hou Weigui, who had already retired, had to come out of retirement again and run around to mediate. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[Details]
The STC12C5412AD microcontroller is an enhanced 8051 standard 51 series microcontroller. It is 12 times faster than the ordinary 8051 and can be programmed on a home computer without an emulator. ...[Details]
At CES 2018, Samsung launched a 146-inch giant TV, The Wall. This is Samsung's first product developed using
MicroLED
technology. It not only has ultra-high picture quality and contrast, bu...[Details]
An example of Samsung S3C/S3P/S3F9XXX series MCU implementing table lookup operation ; to implement table lookup operation, you must first define the table address, there are two ways t...[Details]
The chip is EM78P153 ; P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; the watchdog is off, the instruction cycle is 2 CLOCK, and P63 is the rese...[Details]
Common glass tube thermometers rely on the rise and fall of mercury in the tube to determine the temperature. When the light is dim, the position of mercury cannot be seen clearly, which brings incon...[Details]
RF/Wirelessly
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