The input is 3V, but the other end is not connected to the circuit. The voltage measured by the multimeter is only a few tenths of a volt. However, the output terminal of the signal generator is a nor...
[i=s]This post was last edited by 执著666666 on 2019-7-12 16:26[/i]I would like to ask you, why I use MSP430F149, HC_SR04 to measure distance, the S value in the interrupt can not be returned to the mai...
It has been two days since it was delivered. I haven’t opened it yet. It looks pretty good~~[b][color=#5E7384]This content was originally created by EEWORLD forum user [size=3]cardin6[/size]. If you w...
I applied for MM's F103 development board and made a J1939 module. I used the CAN pins of PA11/PA12. The relevant pin configuration in the official SDK is shown in the figurePlease shield the breakpoi...
Recently, a python tag has been added to the interface of Makecode's [url=https://maker.makecode.com/]Maker version[/url]. Will Makecode be compatible with Python in the future?...
[size=4]1. Working nature: transistors are current controlled, while MOS tubes are voltage controlled.[/size] [size=4]2. Cost issues: transistors are cheap, while MOS tubes are expensive. [/size] [siz...
Efficient Power Conversion (EPC) has introduced the ePower™ power stage IC, which integrates an entire half-bridge power stage and can achieve up to 35 A of output current at 1 MHz
...[Details]
After a long time, I finally completed the DMA method to realize serial communication. Using DMA is not very difficult, but the configuration of DCONn is more complicated and the understanding of seve...[Details]
1. Measurement of DC current When measuring, set it to the DC current range and connect it in series with the circuit, as shown in Figure 2. Pay attention to the positive and negative polarity. When ...[Details]
Environmental and energy issues are important global issues. At the same time, as the demand for electricity continues to rise, the call for energy conservation and the demand for efficient and compa...[Details]
Single-touch sensors and swipe sensors are two new types of solid-state fingerprint sensors, both of which collect information through changes in capacitance during touch. This article analyzes the...[Details]
On October 13, Hongxin Electronics announced that it plans to issue convertible corporate bonds of 570 million yuan to unspecified objects on the Growth Enterprise Market, with each bond having a par...[Details]
According to media reports, Northvolt, the European
lithium battery
"hope of the whole village", announced on October 15 local time that it had paid 287 million Swedish kronor (about 195 mi...[Details]
As a global technology leader, ABB is committed to promoting the development of a low-carbon society through leading technologies, responsible operations and partnerships, slowing global warming and ...[Details]
This application note discusses the definition of spread spectrum system sensitivity and how to calculate the sensitivity of a digital communications receiver. A step-by-step derivation of the rece...[Details]
Lithium battery separators are one of the main components of lithium batteries and are mainly used in energy storage, new energy vehicles and other fields. The demand for lithium battery separators...[Details]
I recently saw an interesting circuit, as shown below. The input voltage is 20V DC, Q1 and Q2 are turned on alternately, the frequency is 100kHz, and the load RL is to be determined. What kind of circ...[Details]
Simulating
the output bias current of
a current mirror
is simple. You simply add the input current and measure the output current and calculate the difference. However, the output bias c...[Details]
Micromotors are key actuators in micro-electromechanical systems. With the in-depth research of electronic technology and precision machining technology, micromotors are developing in the directio...[Details]
Automotive supplier Robert Bosch GmbH will invest 1 billion euros (about 7.743 billion yuan) to build a semiconductor factory to meet the growing demand for components for autonomous driving technolo...[Details]
The cooking process not only generates heat, but also releases and condenses a lot of water vapor. The power supply in the electronic control device of the cooker must perform stably in ambient t...[Details]