[i=s]This post was last edited by General-P on 2022-8-24 22:36[/i]The MCU generates an event and sends a command to the Bluetooth APP
1. IntroductionEarlier, we tested the Bluetooth sending command to...
To answer this question, before discussing power, we must first talk about how far the communication distance between the two is. When we take out our mobile phones, theoretically we can talk to anoth...
[i=s]This post was last edited by a newbie on 2019-7-11 01:15[/i]System introduction: With CH549 board as the main control, a remote control system is made, which receives commands and sends data from...
[i=s]This post was last edited by qwqwqw2088 on 2020-8-11 09:12[/i]The BQ40Z80 is a 2-cell to 7-cell battery pack manager from TI that uses Impedance Track fuel-gauging technology.
Fault phenomenon: T...
[i=s]This post was last edited by dcexpert on 2021-3-6 20:46[/i][hide]
Baidu Netdisk: https://pan.baidu.com/s/1TcUbZxmKLPxMkMPM38g2XA Extraction code: am3t
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Light is one of the most widely used water quality analysis t...
With the rapid development of new energy vehicles, car fires also occur frequently. According to public information, in 2021, there were more than 3,000 new energy vehicle fire accidents, most of w...[Details]
Xinhua News Agency, Guangzhou, February 20 (Reporter Wu Tao) Nearly 100 construction workers are busy working at the Longmen Converter Station project site in Tuhu Village, Longtan Town, Longmen Co...[Details]
Lockheed Martin has been awarded a $1 billion contract to operate and maintain the ground control system for the Space-Based Infrared System (SBIRS). The U.S. Space Force announced the contract on Ju...[Details]
1. Infrared principle: As long as the temperature of any object is higher than absolute zero (-273℃), it will emit thermal radiation. The energy radiated by the object is different for different tempe...[Details]
Recently, four students from the Diocesan Boys' School in Hong Kong developed an ultra-small humanoid
robot
with a height of only 141 mm
, which once again broke the record of "the world's ...[Details]
Today I consulted some information on the Internet and made a heart rate tester using a traditional 20-pin 12864 screen. The sensor detects the pulse on the blood and converts it into heart rate. Th...[Details]
With the development of electronic technology and the maturity of motion control technology, people began to apply motion control technology to measurement equipment, resulting in CNC workbenches. CNC...[Details]
Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) has introduced the EiceDRIVER™ X3 Enhanced family of analog (1ED34xx) and digital (1ED38xx) gate driver ICs. These devices feature typical output cu...[Details]
On the morning of April 22, data research firm Counterpoint reported that the second-hand refurbished smartphone market grew by 15% year-on-year in 2021, exceeding the 4.5% growth rate of the ne...[Details]
The current situation that digital
power supplies
are limited to high-end PC, server and data communication equipment applications due to cost barriers will be broken by the PowerXR seri...[Details]
We are used to using time as a reference to record events that occur at a certain moment. This method is of course also applicable to electrical signals. Therefore, an oscilloscope can be used to obs...[Details]
LED dot matrix display screens are very common in life and bring a lot of convenience to our lives. Since the brightness of LED displays cannot change with the external ambient light, there are pro...[Details]
0 Introduction
In some applications, the motor used is required to be small in size, high in efficiency and high in speed. Micro permanent magnet brushless DC motors can better meet these ...[Details]
A classic two-chamber microbial fuel cell was designed, and its power generation performance for glucose simulated wastewater under the condition of inoculation with anaerobic sludge was investigated...[Details]
The circuit for checking the triggering ability of thyristors using a megohmmeter and a multimeter is shown in Figure 1. Set the multimeter to the 1mADC position and connect it in series in the ...[Details]
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