2CW035270YQ5

Cube configuration is the same as hal The encapsulation of the LL library is not as good as that of the HAL library, so you need to read the reference manual in depth. Timer start and interrupt funct...[Details]

1. RIS mode When I introduced the LeCroy oscilloscope family last year, I often said that LeCroy can provide 100MHz-100GHz oscilloscopes. Now I will say that LeCroy can provide 60MHz-100GHz oscillosco...[Details]

If you want to repair a relatively unfamiliar circuit board without any schematic diagram, the so-called "experience" in the past will be of little use. Although people with a solid hardware foundatio...[Details]

The outflow coefficient of the V-cone flowmeter is related to parameters such as the diameter ratio β and the Reynolds number Red. Sometimes it is difficult to ensure that the parameters are always w...[Details]

4 uses C2051 microcontroller, and uses cheap and easy-to-get 74LS164 and 74LS138 as expansion chips. 74LS164 is an 8-bit serial-input and parallel-output shift register. Its function here is ...[Details]

Modifying a double potentiometer with a band switch Use a KCV-11W2D ceramic band switch and 20 resistors, connect them according to the diagram, and you can assemble a practical do...[Details]

      Xiaomi previously announced that it will push the first major version update of the MIX FOLD foldable screen mobile phone at the end of October to solve the large-screen adaptation problem of p...[Details]

　　0 Introduction 　　In China, cable TV charges are mostly collected manually. At present, the problems in cable TV charge management in China are mainly manifested in: ① The number of households conn...[Details]

　　The stable operation of airborne equipment is inseparable from a safe and reliable power supply system. With the increasing integration of airborne equipment, high-density, high-reliability power s...[Details]

  The working principle of the circuit is briefly described as follows: Transistor VT1 is a switching power supply tube, which forms a self-excited oscillation circuit with T1, R1, R3, C2, etc. A...[Details]

1. Add NANDFLASH in uboot From the analysis in the second section, we know that the hardware initialization is in board_init_r. We find the initialization of nand here: u-boot-2016.09$ vim common...[Details]

1 Principle and structure of wireless charger 　　The wireless charging system mainly adopts the principle of electromagnetic induction, and realizes energy transfer through energy coupling through coi...[Details]

Designing a buck converter is not an easy task. Many users want a converter that is a box that takes a DC voltage into one end and outputs another DC voltage out the other end. This box can take ma...[Details]

Today, Luo Yonghao posted on Weibo that "Because there are too many misunderstandings, I solemnly declare here: FLOW e-cigarettes have no interest relationship or any form of cooperative relationship...[Details]

   This article includes project establishment and JLINK settings. The content draws on the experience of predecessors. I would like to thank all the predecessors for their contributions. 1 Downloa...[Details]