I want to measure the ratio of the capacitance of two capacitors. For example, C1=100uF, C2=22uF, and the output voltage value must be 100/22=4.55V. The capacitance range is 1uF~220uF, and it is imple...
Microcontroller programming software has many applications in actual projects. Each microcontroller programming software and even different versions of microcontroller programming software have their ...
The existing 2.8-inch TFT color screen and OV7670 camera module are idle and have not been used many times. They support the atomic stm32f103 development board interface. Please contact us if you need...
[i=s]This post was last edited by YangTwo on 2021-7-23 15:38[/i]Today I received the PG22 board sent by the moderator. It is very beautiful and I would like to share it with you.
First of all, the red...
Excerpted from RF Circuit and Chip DesignThe research on isolation between RF modules can be divided into two stages: from the 1950s to the 1980s, before the development of RFIC, the research work foc...
[i=s]This post was last edited by led2015 on 2020-4-29 23:25[/i]As the cost of producing LEDs falls, they are being used in more and more applications, including handheld devices, automotive electroni...
The conflict between the United States and China has intensified. As TSMC founder Zhang Zhongmou said: "National security and economy have taken precedence over globalization." Not only has the Unite...[Details]
An AC constant current source that can generate weak current
Function of the circuit
Regardless of AC or DC, most sensors are driven by constant current sources. The so-called constant current...[Details]
Changzhou Chengfeng Flow Meter Co., Ltd.'s LWGY basic turbine flow sensor can measure the instantaneous flow rate and cumulative volume of liquids, and can also quantitatively control liquids. The se...[Details]
The principle is very simple. Let's directly post the circuit diagram and source program.
If you can't see the picture clearly, please click Save or click the connection address to see th...[Details]
The wide-angle radar plus the camera provide a 360-degree panoramic three-dimensional image, clearly showing surrounding vehicles and pedestrians, and alerting the risk of collision. The system c...[Details]
start.S source code: .globl _start _start: // 0 address b reset // When resetting, the CPU jumps to address 0. In fact, after resetting, the CPU is in management mode (svc) ldr pc, =unde...[Details]
Although there are constant voices saying that "Moore's Law is coming to an end", the IC industry's research breakthroughs in more advanced process technology continue to "extend its life". Not long ...[Details]
For users who are planning to purchase and use infrared oil testers for the first time, it is particularly important to know some knowledge about related instruments and meters in advance. As for wha...[Details]
introduction With the emergence of various sensors and the rapid development of chip technology, the safety and intelligence of automobiles are increasing day by day. The functions of automobile el...[Details]
The sale of the six-inch wafer fab by Taiwan memory manufacturer Macronix has entered the final stage. The supply chain reported that the fab will be bought by Tokyo Electron (TEL), a Japanese semico...[Details]
/************************************************
* File: Serial_Comm_1.C
* Description: Serial Communication Example 1
* Created Date: 2007-10-01
* Last Modified: 2007-10-01
* Author: Jef...[Details]
Although we can use many integrated circuits to make various power circuits, under certain conditions, we can also consider using discrete components to build some power circuits that suit our need...[Details]
Battery cost is less than 2 million yen
Nissan is particularly committed to making the main components, namely lithium-ion rechargeable batteries and motors, in the development of LEAF. In...[Details]
As the times change and technology advances, new charging methods for wearable devices have also emerged. What are they? Let's take a look! According to the Washington Post, researchers at the Un...[Details]
In most processors after ARM V4 and V4T, the interrupt vector table can have two locations: one is 0 and the other is 0xffff0000. This can be controlled by the V bit (bit ) in the CP15 coprocessor ...[Details]