First, let's summarize the serial ports 232, 422, and 485.
Serial port 232: bidirectional transmission, full-duplex, maximum rate 20Kbps, negative logic level, -15V~-3V logic "1", 3V~15V logic "0".
Se...
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[i=s]This post was last edited by manhuami2007 on 2018-12-30 11:43[/i] Steps to start programming using IDE: [list=1] [*]Download IDE [*]Download SDK and import it into IDE[*]Start programming from th...
Portable devices usually have a built-in battery. When plugged in, they are powered by USB, and when unplugged, they are powered by the battery. The input usually has a voltage required by the DCDC co...
1. Preface X25043 is a single-chip monitoring chip produced by XICOR. It combines four commonly used functions: power-on reset, watchdog timer, voltage monitoring and serial EEPROM functions ...[Details]
China Energy Storage Network News:
Recently, Cellcentric, a hydrogen fuel cell manufacturer jointly invested and built by Daimler and Volvo, announced the launch of a new generation of hydr...[Details]
According to foreign media reports, engineers from the Department of Electrical and Computer Science at the University of Michigan have developed the first fully integrated single-chip digital millim...[Details]
Fujian Energy Supervision Office, Fujian Development and Reform Commission, and Fujian Industry and Information Technology Department jointly issued the notice of "Fujian Electricity Market Medium-...[Details]
Hall Current Sensor-Measurement Method of Hall Current Sensor 1. The primary wire should be placed in the center of the sensor's inner hole, and should not be placed off-center as much as possible; ...[Details]
What AN3147 says: 1..1 How to enter Wait mode Entering Wait mode Wait mode is entered by executing the WFI or WFE assembly instruction. This stops the CPU, but other peripherals and the interrupt con...[Details]
Nowadays, many pointer multimeters have the function of measuring AC current, but there are also many analog multimeters that only have the function of measuring DC current. In order to meet the meas...[Details]
An online tester is an instrument for repairing PCB boards. It can complete online/offline functional tests on small and medium-sized digital integrated circuits, memory and some large-scale integrat...[Details]
During the maneuvering flight of the missile, the maneuvering overload will affect the structure of the engine and the ablation area of the combustion chamber. The engine overload pla...[Details]
High-brightness LEDs are increasingly being used in lighting applications. Here we present a simple "mood light" using only a few components. All three LEDs are powered by a constant current using ...[Details]
LiDAR has great potential in the application of driver assistance systems (ADAS), and the technology selection and supply chain management of automotive applications will greatly affect the future de...[Details]
The 9V battery is mainly used to meet the requirements of calibration range and measurement accuracy. Because: the resistance range of the digital meter generally has at least 2M range. Take the popu...[Details]
The gateway device uses 220V AC power supply, and the power module directly uses a stable brand switching power supply. The switching power supply outputs 5V voltage to supply the power demand of t...[Details]
The STM8L15xxx devices are members of the STM8L Ultralow power 8-bit family. They are referred to as medium-density devices in the STM8L15xxx reference manual (RM0031) and in the STM8L Flash programm...[Details]
Inductor current circuit diagram for a given 1kHz sine wave
1-current setting, 1A/grid; 2-inductor current, 1A/grid; time, 250μs/grid. Circuit diagram of inductor current when given a 1kHz sine ...[Details]