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...
This content is originally created by dcexpert , a user of EEWORLD forum. If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the sourceThis is ...
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...
I recently helped a hospital make a temperature recorder. The hardware resources are: stm8L151 + NTC*2 + EEPROM + lithium battery charging protection circuit + 18mAh button battery; the software logi...[Details]
Luxeon high-power LEDs are much better than ordinary low-power LEDs in terms of heat dissipation performance. The electrical channel and thermal channel are separated, and its LED chips are connect...[Details]
Solution: Configure the kernel
make menuconfig
File Systems ---
DOS/FAT/NT Filesystems ---
(utf8) Default iocharset for FAT
Change to
(cp936) Default iocharset for...[Details]
Translated from——spectrum Joao Ramos of MIT wears a telesurgery suit that connects his body to that of the HERMES robot, a bipedal robot designed for disaster response. Ramos' reflexes help HER...[Details]
1. Subtraction instruction with borrow bit SUBBA, Rn; (A) (A) - (Rn) - (C), the following are similar. SUBBA,direct SUBBA,@Ri SUBBA, #data Note: Clear C before subtraction. All subtraction instructio...[Details]
YouTuber @Max Tech shared the Geekbench 6 single-core and multi-core benchmark data of Apple's A17 engineering machine.
Judging from its performance data, with the support of TSMC's 3nm ...[Details]
LED lens module
It is a multi-lens that is completed as an integral multi-lens by injection molding of multiple single lenses. According to different needs, it can be designed into a 3-in-1,...[Details]
If funds are too cheap, it will also trigger a financing boom. Recently, the practices of American high-tech companies seem to confirm this. According to the latest news from foreign media, Apple r...[Details]
Following the development path of the "14th Five-Year Plan"
robot
industry planning, in the context of the national anti-epidemic efforts, China's robot industry will continue to grow ra...[Details]
On Semi's NCP1219 is a PWM controller featuring dynamic self-biased supply. It has excellent standby power consumption and adopts fixed frequency current mode operation with slope compensation. The...[Details]
On August 8, the Japanese government decided to export some semiconductor manufacturing materials to South Korea, the first such approvals since Japan tightened export controls on products to South K...[Details]
1. Necessity Analysis
Data communication is becoming more and more important in modern communications, and evaluating the bit error rate is the ultimate standard for judging the performance of the tr...[Details]
The MCU control register contains the control bits for power management. · Bits 7..4 Res Reserved bits: These bits are not used in ATmega48/88/168 and the read return value is always "0". · Bits ...[Details]
Analysis of the differences between 51 MCU bit, sbin, sfr, and sfr_16
1.bit and sbit are both variable types extended by C51.
Bit is similar to int char, except that char = 8 bits and bit = 1 bit...[Details]
The development of technologies such as artificial intelligence (AI), cloud computing, and edge computing is driving innovation and upgrading in all walks of life. This process is also accompanie...[Details]
Linux and Android
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