I have found many 802.11a chips that support SPI interface on the Internet, including those from Beijing Wantong and Marvel, but there are no ready-made wireless modules available. I am confused... It...
This is the topic of my bachelor's thesis. I am working on it now. I have also looked up relevant information. But I still don't quite understand how to start. The textbooks don't cover this topic ver...
136MHz-174MHz, 25W power amplifier chip outputs second harmonic -38dBc, with an elliptical low-pass filter (stopband suppression -56dB), output harmonic -55dbc, the index requirement is -80dBc, what m...
Is there any device that can detect the deviation of large and medium-sized goods (oil wells, excavators) during railway transportation, including the detection of the swing of the oil well drilling a...
Hello everyone, I am a novice. Recently, I am working on a small project of Bluetooth headset. One idea is to transmit the voice data in DSP through the UART port on the board and then transmit it bac...
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]
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]
The status of interrupts in developing embedded systems is absolutely unquestionable. In the era of C51 microcontrollers, there were only 5 interrupts, including 2 external interrupts, 2 timer/counte...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
Notes on inverter installation and maintenance:
1. Before installation, you should first check whether the inverter is damaged during transportation.
2. When selecting an installa...[Details]
This is a "cooperation" that is related to the future development of China's semiconductor industry. Let's follow the embedded editor to learn more about the relevant content.
Last week, a...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
Assume that the crystal frequency of the microcontroller is 6MHz. It is required to use timer 1 in mode 0 to generate a continuous square wave pulse with a period of 500us, and output it from P1.0. T...[Details]
The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
As an important branch of the power electronics industry, the technological progress of photovoltaic inverters is highly dependent on the development of electronic components and control technology...[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]
China Energy Storage Network News:
Recently, the "Internet +" smart energy demonstration project, which is supervised by the State Grid Corporation of China and led by the Global Energy Inter...[Details]