September Headline: Julia is close to the top 20 of TIOBE IndexTheJulia programming language is just 0.05% away from the top 20. Julia is designed for numerical analysis and computational science. The...
I wrote an Android app and used the following Android code to send a character. I want to know which callback of Bluenrg will be called after sending the character?
BluetoothGattService gattService =
...
For the home LED clock, a low-power sleep mode chip was selected mainly to save power, but the effect of the crystal oscillator frequency on the overall current is unknown, and the parameter standards...
Reprint: Anxinke open source team is dedicated to writing and sharing the initial technical exchange of ESP32-A1S offline voice1. Introduction2. Offline speech framework2.1 Algorithm model WakeNet and...
As shown in the figure below, NMOS and PMOS are used as a protection circuit to prevent reverse connection of the power supply. [1] The circuit diagram of the PMOS tube is easy to understand. For the ...
On the morning of December 2, 2023, the Shenzhen base, one of the three newest bases deployed by Haichen Energy Storage in China, was officially completed. Guo Ziping, Secretary of the Party Leader...[Details]
Tesla officially released its first electric pickup truck, Cybertruck, at its headquarters in Los Angeles, USA. The silver metallic luster, fully enclosed body, and shuttered trunk cover - the Cybe...[Details]
According to previous news, OnePlus will officially launch the new generation of annual flagship OnePlus 9 series around March, which will still include two models, OnePlus 9 and OnePlus 9 Pro...[Details]
MCU:STM32F334C8T6 PWM, or pulse width modulation, can be used to drive motors, full-bridge circuits, etc. Those who have used STM32 know that its timer can easily achieve PWM output, and the advanced...[Details]
1. Definition of power factor In order to characterize the utilization rate of AC power supply, the term power factor PF (Power Factor) is introduced in electrical engineering, which is defined as ...[Details]
Subjective factors such as fatigue driving, distracted driving, and aggressive driving have become the main causes of road accidents and deaths. Although global automakers are working towards the bea...[Details]
Omni Transmission Systems is a family-owned company with a 60-year history of providing fluid, mechanical and electrical transmission systems.
Headquartered in Houston, Texas, USA, it pr...[Details]
Speech is the most common way for humans to communicate, and it is also the most desired way for humans to communicate with computers. Therefore, using speech to communicate with computers has b...[Details]
Systick in STM32 has a total of 4 registers, the names and addresses are:
SysTick_CTRL, 0xE000E010 -- Control register
SysTICK_LOAD, 0xE000E014 -- Reload register
SysTick_VAL, 0xE000E018 -- Curr...[Details]
Important parameters for selecting piezoelectric buzzers
1. Size: The size of the buzzer will affect the volume and frequency. The electromagnetic type ranges from 7mm to 25mm, while the piezo...[Details]
In c51, "bdata" is on-chip RAM, bit addressing mode; the meaning of memory type description. Usage of "bdata" in c51: There are two types of bit variables in C51, in addition to the bit-addressable b...[Details]
According to foreign media thesouthafrican, Xiaomi has previously confirmed that it will debut Samsung's 100-megapixel camera sensor on its new MIX series phones. The S11 series will also use this bi...[Details]
1. When the measuring instrument shows that it has reached the required stability, the weighing value can be read.
2. The power supply of the electronic balance should be kept away from other...[Details]