[size=4][color=#000000][backcolor=white] Because USB signals are analog signals, the CH340 and other USB chips contain digital circuits and some analog circuits. In addition, the USB chip also contain...
[i=s]This post was last edited by dcexpert on 2019-9-16 14:05[/i]Schematic diagram of the micropython-enabled calculator numworks, which uses the STM32F730V8T6 as the controller
[hide]Official Downloa...
What are the similarities and differences between the IO port simulation serial port, PWM, IIC functions and the serial port, PWM, IIC built into the chip hardware?...
Use the u8g2 library to drive the display screen using SPI
The development board ESP32-S3-DevKitC-1 is wired as follows: /* clock=*/13, /* data=*/11, /* cs=*/10, /* dc=*/9, /* reset=*/8Call the routin...
[i=s]This post was last edited by detail2mix on 2020-5-13 21:25[/i]If anyone knows, please let me know, thank you!
The current limiting IC (TI TPS2559) is connected to the front end of the input....
The penetration rate of BLDC motors in both industrial and household applications is continuously increasing. In addition to traditional power tools, vacuum cleaners, and small household appliances...[Details]
As a powerful Cortex-M3 chip, why can't LPC1788 be ported to Linux? Because like ARM7, LPC1788 does not contain MMU - memory management unit. MMU is necessary for advanced operating systems (W...[Details]
The power cable fault tester consists of three main parts: the power cable fault tester host, the cable fault locator, and the cable path meter. The cable fault tester host is used to measure the nat...[Details]
On April 16, OnePlus founder and CEO Pete Lau gave a spoiler for the OnePlus 8 series launch conference. Liu Zuohu said that this is a brand new attempt in the history of OnePlus new product...[Details]
On the morning of September 17, Ren Zhengfei, CEO of Huawei Technologies Co., Ltd., led a team to visit Peking University. Qiu Shuiping, Secretary of the Party Committee of Peking University, and Hao...[Details]
Let's summarize the microsecond delay function accuracy of STM8L101F3P6 working at 16MHz using different writing methods such as infinite loop and interrupt. 1. The writing method of the dead loop ...[Details]
On March 3, OPPO Vice President Shen Yiren tweeted a preview of OPPO Find X2, saying that this flagship is exciting. Previously, OPPO founder and CEO Chen Mingyong confirmed that OPPO Find X2...[Details]
Tesla recently revealed its revolutionary new wiring architecture, which shows a new modular wiring structure between the controller and sub-components. This improvement is more robot-friendly and ca...[Details]
Following the US government's ban on products from Chinese telecommunications giants Huawei and ZTE, the Wall Street Journal reported on the 7th that US lawmakers proposed a ban on the purchase of Ch...[Details]
According to foreign media reports, CATL has already signed a small-scale electric vehicle battery supply agreement with Volkswagen and BMW. Under this inducement, its "ambition" is not satisfied. ...[Details]
Figure . Using AD8138 to drive CAN transceiver
该电路采用5 V单电源供电，配置为单位增益单端转差分放大器，共模设置为中间电压值。R1、R2和R3组成了直流偏置电路，可将输出信号调节至CAN电平。通过将R4和R5保持在相对于R2的较小值，电位计可轻松调整两个输出信号之间的差值，不会显著影响其各自的幅度，能够向DUT提供具有可变共模电平的C...[Details]
SMT production process
The basic elements of SMT process include: screen printing (or dispensing), mounting (curing), reflow soldering, cleaning, testing, and rework.
1. Silk screen printing...[Details]
While it may be years before a viable screw-in LED replaces incandescent bulbs, the use of LEDs in architectural lighting is growing, offering greater reliability and energy savings potential. Lik...[Details]
1. The frequency change of the field instrument is large. Troubleshooting method: A/First check whether the pipe section meets the requirements. For gas, you can relax and ensure that the straight pi...[Details]
If the first half of new energy vehicles is electrification and the second half is intelligence, then in the second half of intelligence, the battle has spread from intelligent driving and intellig...[Details]
Analogue and Mixed Signal
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