I use the GPIOC6 pin on J38. The specific operation is as follows. Please help analyze why the high and low level settings are not implemented:1. echo 70/sys/class/gpio/export2. echo out/sys/class/gpi...
[size=4] Leakage current refers to the current formed between mutually insulated metal parts or between live parts and grounded parts of equipment under the action of applied voltage, through the surr...
[align=left]The probe is a crucial part of measurement. A reliable test system. Faced with different test requirements and oscilloscopes, how can engineers make the right choice among the numerous pro...
RTD Circuit Design
PT100/1000 meaning
Common RTDs are PT100 and PT1000. 100 and 1000 mean that when the temperature is 0, the resistance across the two ends is equal to 100ohm/1000ohm.
When the temper...
Does anyone know the EEworld points mechanism? It says that one point can be added by watching a course in the university hall, but most of the time I watched the course but did not get any points. Oc...
Guanguan took her to visit the Fujian Provincial Museum today. We had to queue up for a while to visit Sanxingdui. We rushed through the sights (the baby was too young to be patient). Moon Baby kept r...
Recently, two patent drawings of OPPO's new phone were circulated on the Internet. As can be seen from the picture, the front of the phone uses the currently popular full-screen design. There are n...[Details]
#include sbit P1_0 = P1^0; void Delay(); // The following references must be consistent with the uppercase and lowercase letters here, otherwise there will be warnings or errors void Main（） {...[Details]
/************************************************** *Program name: MAX7219 C language control program *Program function: 3-wire serial control of 8-bit common cathode digita...[Details]
The noise floor of an oscilloscope is generated by the attenuator, front-end amplifier and A/D of the oscilloscope, and is mainly concentrated in the first two items. Oscilloscope Noise Floor The a...[Details]
Autonomous driving is one of the most active topics in the market in recent years. With the continuous influx of funds, giants competing to make their presence felt, and new startups emerging one aft...[Details]
Those who hold Qorvo stock should be very happy recently. In the past two weeks, the stock price has exceeded 100 and hit a record high of 104.22. 5G is an important factor in its stock price rising....[Details]
On March 30, Qianfang Technology released its 2021 annual report, stating that the company's annual revenue reached 10.281 billion yuan, a year-on-year increase of 9.15%; the full-year net profit att...[Details]
Lithium metal batteries have the potential to have a much higher energy density than lithium-ion batteries, which are the dominant battery technology on the market today. However, lithium metal bat...[Details]
background The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting technologies, has made it possible to create full...[Details]
1. Main program:
#include "sys.h"
#include "led.h"
#include "delay.h"
#include "usart.h"
#include "lcd.h"
#include "ds18b20.h"
/*
Program function: Use STM32 to implement DS18B20 single bus te...[Details]
The 3rd International Battery Safety Conference was held in Beijing on October 7-8 . The team led by Ouyang Minggao , an academician of the Chinese Academy of Sciences and professor at Tsinghua Unive...[Details]
Silicon Labs (NASDAQ: SLAB), a leading supplier of chips, software and solutions for a smarter, more connected world, and Orvibo, a supplier of AIoT smart home devices, systems and solutions, announc...[Details]
Data transfer instructions Instructions with accumulator as destination operand MOV A,Rn MOV A, direct MOV A, @Ri MOV A,#data In the first instruction, Rn represents R0-R7. In the secon...[Details]
background During DP development, the DP chip and the ARM chip need to communicate. Generally, there are two ways: 1) IO port (bus) mode for communication; 2) FSMC-memory mapping method for communi...[Details]
Like humans, batteries prefer to operate at room temperature, and thermal management systems ensure this while maximizing efficiency.
When GM first unveiled the 2025 Cadillac Escalade IQ...[Details]
DIY/Open Source Hardware
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