-
ISD4004 voice chip C51 driver source code /*spi isd4004.h*/ #include "reg51.h" #include "intrins.h" sbit _cs = p0^0; sbit _sclk= p0^3; sbit _mosi= p0^1; sbit _miso= p0^2; sbit _rac = p0^4; sbit _int...[Details]
-
What is a timer? As the name implies, a timer is used for timing. In microcontroller applications, it is often used for various timings. For example, to make an LED light turn on once every 1 secon...[Details]
-
Jiwei.com reported on April 25 that today at the Huawei Developer Conference (Cloud) 2021, Yu Chengdong made his first public appearance as CEO of Huawei Cloud BU and released six innovative technolo...[Details]
-
One type of common differential probes is for low-voltage signals. This type of differential signal is more common in high-speed digital circuits. The common amplitude of the measurement voltage of t...[Details]
-
Lossy compression and lossless compression are both compression technologies, but no matter which technical model is used, the essence of the two is the same, that is, they both use a special encod...[Details]
-
1 Introduction
In the secondary system of power plants and substations, a reliable DC power supply is required to power control, protection, automatic devices, emergency lighting and other equ...[Details]
-
1. Low power consumption N76E003 power supply has two modes. If you want to reduce power consumption as much as possible, then of course choose power-down mode. Entering power-down mode is very sim...[Details]
-
The soil nutrient tester is professionally produced by Hengmei soil testing instrument equipment manufacturer, which provides soil testing instrument technical services. It is committed to the rese...[Details]
-
Recently, the 220 kV Guanyintang substation invested and constructed by Chongqing Liangjiang Changxing Electric Power Co., Ltd. (hereinafter referred to as Changxing Electric Power) was successfull...[Details]
-
In addition to considering the quality of the display itself and reliable service, choosing the right LED display product according to different environments and uses is another guarantee for choosing...[Details]
-
Recently, new energy research institution InfoLink Consulting released the global
energy
storage
cell and system rankings for the first half of 2024.
In terms of energy storage ce...[Details]
-
2-1-1-5. Calculation of the volt-second capacity and primary coil turns of a double-excitation switching power supply transformer
In Figure 2-7, for the dual-excitation switching power sup...[Details]
-
Oscilloscope probes can be divided into analog oscilloscopes and digital oscilloscopes. For most electronic applications, both analog oscilloscopes and digital oscilloscopes are capable of perf...[Details]
-
1. Introduction
At present, vacuum tubes are basically used in the application fields of high power, high frequency and narrow pulse, such as secondary electron emission tubes, dischar...[Details]
-
A single-phase inverter is a power electronic device that converts single-phase AC power into three-phase AC power with adjustable frequency and amplitude. It is widely used in industrial automatio...[Details]