Selection of the main control chip for Bluetooth bracelet1. Smart bracelets or smart watches not only have OLED, but also have Android or Apple systems. What are the main control chips? What brands of...
I found a small bug on ESP32/ESP8266. If you import a library, and then type __class__. after the library name in the repl and press the tab key (autocomplete function), it will cause the system to re...
[align=left][color=rgb(0, 0, 0)][font=Calibri, sans-serif][size=10.5pt]Today I will continue to share how to use the PWM module. Today I will use the PWM module to make a breathing light application a...
Yesterday, Xiaomi Product Director and MIUI Experience Manager @MIUI小凡 announced on Weibo that a new switch has been added to the last internal beta development version of MIUI10: a switch that turns...[Details]
Annotation: CMP and CMP are arithmetic instructions, TEQ and TST are logical instructions. The reason for grouping them together is that their S bits are always set, that is, they always affect the fl...[Details]
The hardware circuit design part should actually be discussed now, but firstly, time is limited, and secondly, it will be involved in the later project development. So now I will just take a brief lo...[Details]
Under the dual-carbon strategic layout, drive motors, as core components of new energy vehicles, need to pay more attention to the development of high efficiency, miniaturization, and intelligence....[Details]
According to the Chengdu Hi-tech Zone Electronic Information Industry Development Bureau, the Chengdu Hi-tech Comprehensive Bonded Zone High-tech Park achieved exports of 113.6 billion yuan in the fi...[Details]
The 2019 South China Industrial Intelligent Manufacturing Exhibition has been scheduled to be held again at the Shenzhen Convention and Exhibition Center from December 4 to 6, 2019 (Wednesday to Frid...[Details]
With the enhancement of global environmental awareness, various vehicles using lead-acid batteries are constantly entering people's field of vision. However, there are many kinds of chargers for le...[Details]
Development environment: Keil4 Firmware library development Target chip: STM32F107VC Preface: Here the company project requires writing a hardware with an Internet port bootlood according to th...[Details]
2019 is the year with the fastest mobile phone upgrades. We have welcomed the rise-and-fall camera and folding screen phones, and these changes have provided new space for full-screen phones. The gra...[Details]
Tube amplifiers are highly cost-effective. A 5,000 yuan integrated tube amplifier or preamplifier often sounds better than a transistor amplifier that costs twice as much or even more. More importantl...[Details]
On July 10, there was the latest news about the rumors of Deye Co., Ltd.'s inverter fraud. According to media reports, on July 9, Deye Co., Ltd. held an investor exchange meeting and made an offici...[Details]
Toshiba exhibited a solar cell system with a storage battery that can operate independently during power outages at CEATEC JAPAN 2011, which is currently being held at Makuhari Messe in Chiba Prefe...[Details]
According to foreign media slashgear, Twitter user @MaxWinebach exposed a set of pictures on Twitter, showing the internal design of the Surface Neo dual-screen mobile notebook that Microsoft ha...[Details]
How to debug sewage flow meter 1. A separate sewage flow meter cannot adjust the flow rate because it has no actuator. 2. Automatic adjustment and control of sewage flow can be realized through...[Details]
Discrete Device
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