LM2791 is mainly used for driving white light LEDs. I need to drive a LED Laser VLM-650-01-LPA (red light, 650nm), with a forward operating voltage of 3~5V and an operating current of <35mA. Can I use...
I have been working on the Bluetooth of the Rapid IOT kit this week and I am going crazy. At first I thought Bluetooth was just like a serial port, but I thought it was too simple. The Bluetooth proto...
MCU development/control board development and electronic product design Our company provides a full range of electronic technology services, including various MCU development, software and hardware de...
[color=#111111][backcolor=rgb(251, 251, 251)][font="][size=24px]Stm32 +tm1638 can only display but not read keys. Why? [/size][/font][/backcolor][/color][color=#111111][backcolor=rgb(251, 251, 251)][f...
I have been looking at the source code of UCGUI these days. I wonder if any of my friends have the same problem. I have a few questions about memory allocation. I hope you can give me some advice. In ...
[i=s]This post was last edited by ienglgge on 2016-3-12 14:27[/i] Purpose: To find someone to practice spoken English with. The content doesn't matter. Background: I searched many websites for communi...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
TPMS is the abbreviation of "Tire Pressure Monitoring System". It is mainly used to automatically monitor the tire pressure in real time when the car is driving, and to alarm for tire leakage and l...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]
Analogue and Mixed Signal
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