If the IN1 wiring length is 100 meters, is it better to connect IN1 like this, with the negative pole for 100 meters, or is it better to pull the 12V positive pole for 100 meters?
I'm just curious, I ...
[size=4][color=#000000][backcolor=white]I used to know that microcontrollers are timers, state machines, and interrupts. The combination of these things is very efficient. But since I took over the de...
Comparison of three basic amplifier circuits1. The input impedance and output impedance range from tens of ohms to hundreds of kiloohms. What causes this? How to select the application based on the in...
The original plan was to debug the SPI device, but due to the difficulties encountered, I searched for information in many places but could not find a solution, so I had to put it aside temporarily. I...
Function and Overview The system is shown in Figure 1, which mainly consists of three parts: Sensor and signal processing part: detects infrared signals radiated by human body and light intensity s...[Details]
JIKA Robotics recently announced that it has completed its Series D financing, bringing in USD investment equivalent to nearly RMB 1 billion. The investment lineup is very impressive, led by Tema...[Details]
Wound explosion-proof
motor
is a special motor designed to meet the needs of flammable and explosive places. It is mainly used in petroleum, chemical, metallurgy, medicine and other industr...[Details]
OmniVision Technologies (OV) today announced the launch of its latest image sensor, the OV64B. OmniVision said that the OV64B is the industry's only 64-megapixel image sensor with a small pixel size ...[Details]
Overview: In order to meet the requirements of different measurements, traditional voltmeters are made into independent instruments, including peak voltmeter, average voltmeter and effective value vo...[Details]
The 400W high-power voltage-stabilizing inverter circuit is composed of TL494. The excitation conversion part uses TL494, and VT1, VT2, VD3, and VD4 form a current-injection drive circuit to drive tw...[Details]
CAN in this section is the abbreviation of Control Area Network, which means controller area network. It uses differential drive and can be used in strong noise interference environment. In additio...[Details]
Amplifier
Speaker
The principle block diagram of the protection circuit is shown in Figure 1, which contains three protection methods.
(1) DC protection: When the power amplifie...[Details]
Standby mode When SM2..0 is 110 and an external crystal oscillator or ceramic resonator is selected as the clock source, the SLEEP instruction puts the MCU into Standby mode. The only difference bet...[Details]
I encountered a problem while developing with STM32F207: Use ulink to connect the board, you can download normally, then enter debug mode through keil, and find that the run window is gray. You can...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
1 Overall design
In the design process of the whole system, both the end point and the node need a main control chip for processing. The main chip uses the MSP430F5438 series singl...[Details]
#define UART0_BUF_LEN 32
int UART1_Recv_count; //Receive count
bit UART1_Overflow_Flag; //Buffer full flag
idata uchar UART1_Recv_BUF ; //Serial port receive buffer
//Serial port initializ...[Details]
Analyzing the microcontroller program is a preparation for writing the program, including the analysis of the hardware circuit and software functions, proposing practical analysis methods, and summari...[Details]
This series of tutorials will analyze the compilation process of uboot. How to compile, then how to analyze these processes
I have not added 6410 support here, first look at the process of 6400...[Details]