I've been fascinated by WeChat Mini Programs recently. I saw the moderator made an APP for the challenge, but my phone has antibodies and can't use it. So I plan to make a BLE WeChat Mini Program myse...
[p=25, null, left][color=rgb(51, 51, 51)][font=Verdana, Arial, Tahoma]Phoenix motherboard, it is small and can be held in one hand; [/font][/color][/p][p=25, null, left][color=rgb(51, 51, 51)][font=Ve...
This kindle protective cover is for my girlfriend. . Hahahaha, I bought her a kindle some time ago, but forgot to buy a cover for her. . . So I took this opportunity to buy one. . :lol...
I learned FPGA during the holidays, and wrote programs for signal generators and digital oscilloscopes, as well as flash spi-flash and i2c control. Now, I want to use FPGA to make a complete set of th...
I am using STM8, first I used the touch buttonThen I want to use TIM2 interrupt to make a delay.The TIM2 interrupt is started normally, and the interrupt program can normally decrement the global vari...
1 How do the graphics card and the CPU interact with each other? I have never understood it. I know that the PCI-E bus is used on the PC. The problem is that if we want to display the data on the moni...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]