I burned the system image and used the busybox file system. But when I tried to mount the USB drive, an error occurred.There is nothing behind sda.
How to fix this? Thank you!...
I want to use a transistor switch circuit to control the on and off of the sensor to reduce power consumption, but the current cannot be amplified. Please recommend a circuit...
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Due to the successive increases in market prices of chips, panels and raw materials, many home appliance companies have been unable to bear the cost pressure, and the price increases in the terminal m...
LED
products have set off a green storm of energy conservation and environmental protection around the world, and are praised by the industry as "green lighting" products. With energy consumption...[Details]
Translated from EEtimes Power Electronics companies are making good progress in adopting wide bandgap (WBG) devices such as GaN and SiC. While silicon still dominates the market, the emergence of G...[Details]
The so-called virtual instrument is a computer-based software and hardware test platform, which can replace traditional measuring instruments such as oscilloscopes, logic analyzers, signal gener...[Details]
Murata's first communication module supporting LoRaWAN + satellite communication (S-Band)
Contribute to the expansion of communication areas and the rationalization of IoT device develop...[Details]
Tcl scripts are used for writing modelsim do scripts in chip design, and the automation of digital design software requires Tcl.
When reading the following document, you can open modelsim and input...[Details]
LED, also known as light-emitting diode technology, is one of the earliest and most advanced imaging technologies in the world. Printer manufacturers led by OKI have promoted the maturity of LED te...[Details]
Domestic enterprises are accelerating their overseas layout, and the international market penetration rate is expected to continue to increase
: In recent years, domestic inverter companies h...[Details]
introduction Intelligence and portability are the development trends of modern electronic products. The intelligence of medical electronics makes the operation of medical staff more convenient. M...[Details]
Most of the historical buildings and ancient sites with wooden structures have roofs made of plant materials such as thatch, bark, and thin wood. In the hot summer, such buildings are more likely to...[Details]
China has begun to look for talents for Tandem OLED, a new generation of OLED technology that has attracted much attention. South Korea is very worried that China will catch up with South Korea in te...[Details]
Experiment name: DAC analog-to-digital conversion experiment Wiring instructions: Experimental phenomenon: After downloading the program, the indicator light DA1 on the DAC (PWM) module has a breathi...[Details]
The modules used are: DC motor, servo, buzzer, infrared, temperature sensor, lcd1602, The frequency of this servo is 50HZ, and one cycle is 20ms. The angle is controlled by the proportion of high a...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
On October 30, the "Unite and Work Together" meeting between the leaders of Beijing Puneng's shareholder units and all employees was successfully held in Beijing. Han Changan, Chairman of the Board of...[Details]