I received the board and I'll show it off first. I thought it was an LQFP package, but it turned out not to be. It was too hard to solder it myself, so I was a little disappointed. The board was solde...
## Preface The reviewer said that I wrote it too simply, but in fact, I was scared by CDK. This article may be just to make up the numbers, but it can help beginners. # Breathing light Let me briefly ...
Today I unboxed the second board in this competition: ESP32-EYE
1. Outer packaging2. Development board + instruction card3. Power on and connect using the serial port debugging assistant 115200 8N1 to...
This week's review highlights:
- Application for Anxinke UWB indoor positioning module is open (2 pieces per person, total value 525 yuan)
- Qinheng CH582 is coming, and the main control of Qinheng's ...
[i=s]This post was last edited by levinston on 2021-12-11 15:37[/i]I encountered some difficulties in the process of making a magnetically controlled lamp for a model, and I would like to ask for help...
TL431 has a special dynamic impedance and is a more precise controllable voltage source. In the circuit, TL431 is also used as a parallel voltage regulator circuit. Of course, the use method is not...[Details]
ARM development board: S5PV210 Driving steps: 1. Define a cdev device structure variable 2. Apply for a device number for cdev 3. Define a file operation set 4. Device initialization 5...[Details]
There are several types of steam flow meters (1) Electrical principle: Instruments used for this principle include electromagnetic, differential capacitance, inductance, strain resistance, etc. ...[Details]
The capacitor step-down circuit is a common low-current power supply circuit. Due to its advantages of small size, low cost, and relatively constant current, it is also often used in LED drive circui...[Details]
1. /*06-03-31 found during debugging in KEIL*/
Example 1:
......
unsigned long int b;
unsigned int x;
x=968;
b=100*x;
b=96800-65536;
Example 2:
......
unsigned long int b,x;
...[Details]
C51 Program Before learning C51 programming, you need to have a certain understanding and learning of C language; here we only introduce the differences from C language; The specific differences ar...[Details]
Commvault (NASDAQ: CVLT), a recognized leader in software for managing data in cloud and on-premises environments, provides Camel Group Co., Ltd. with data backup and recovery solutions to help it en...[Details]
According to foreign media reports, Qualcomm and MediaTek are the few manufacturers that can provide processors for 5G smartphones. As more and more ...[Details]
IT Home reported on April 8 that according to China Securities Journal, at the "5G Message White Paper" release event on April 8, Samsung said that it has long supported the commercial use of R...[Details]
Contents The utility model relates to the field of gas flow measurement, in particular to an ultrasonic gas flow meter with a biogas identification function. Background of the Invention At present,...[Details]
In industrial equipment, AC motors are the most common loads, and frequency converters are important electronic devices used to control the speed and torque of motors. In this process, it is an imp...[Details]
On July 23, the strategic framework agreement for the Taiwan 5G Optoelectronics and Fiber Optic Huoqiu Industrial Park project was signed in Huoqiu County, Lu'an, Anhui. The Huoqiu "Taiwan 5G Optoe...[Details]
According to the Qingfeng STM8 development board, write the key_exti.h header file as follows: #ifndef __KEY_EXTI_H #define __KEY_EXTI_H #include "stm8s.h" #define KEY1_PIN GPIO_PIN_0 #...[Details]
On the afternoon of August 17, smartphone brand iQOO held an online press conference to officially launch the new generation of flagship mobile phones, the iQOO 5 series. This series of mobile...[Details]
1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a st...[Details]