I am testing the sleep mode function of BLUENRG-1. I read the official documentation and found that in sleep mode, except for a few IO ports with internal IO9, IO0, and IO11, the other IO ports are in...
My program has been compiled, and the circuit design uses the JTAG interface. I originally used IAR Embedded Workbench to load the program, and then used the debugger in it to write the program into t...
[i=s] This post was last edited by fhlso on 2018-8-18 14:37 [/i] This is a linear isolation circuit. No matter how much the input is, the output is 0. When the input point A is 0v, point B has a volta...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
When we really want to use
the PID algorithm, we find that it is not so easy to implement the code in the book on our 51. Simply put, it cannot be called directly. A careful analysis will r...[Details]
0 Introduction
The sense of smell is closely related to human life. In daily life, many industries including tobacco, food, cosmetics, etc. still need human sense of smell to identify and judge samp...[Details]