Myth 1: UWB can only operate over short distances
This understanding is incorrect. While UWB is technically a short-range wireless technology (like Bluetooth, WiFi, and NFC), it's really more of a cat...
Chuanglong Technology TLA40i-EVM is a domestic evaluation board based on the A40i processor of Allwinner Technology, with a quad-core ARM Cortex-A7 high-performance and low-power design. The main freq...
This content is originally created by EEWORLD forum user chenbingjy . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.Chapter 11:...
As shown in the figure above, when does HAL248 output a low level and when does it output a high level? The explanation above is not very clear and I don’t understand it. I would like to ask the big g...
At the 2021 Huawei Developer Conference this afternoon, the CEO of Huawei's consumer business announced that the number of HarmonyOS devices has exceeded 150 million to date! HarmonyOS has become the...[Details]
1. CAN communication CAN is the abbreviation of Controller Area Network (hereinafter referred to as CAN), which is an ISO internationally standardized serial communication protocol. The CAN protoco...[Details]
ARM bare metal phase 1 enhanced version video course supporting WiKi Lesson 11_Use of serial port (UART), There are 2 sections in total: Section 001_Auxiliary Line 1_Hardware Knowledge_UART Hardware ...[Details]
①RST reset circuit 51 MCU is reset at high level and works normally at low level At the moment of power-on and when the button is pressed (the capacitor is equivalent to the wire), RST is at ...[Details]
TDK has recently launched the new B43707* and B43727* series of EPCOS aluminum electrolytic capacitors in screw format. The rated operating voltage of the new series of capacitors is 400 V DC to 450 ...[Details]
In the early morning of July 1, Beijing time, Micron Technology released the company's third-quarter financial report for fiscal year 2021, but it did not receive positive market feedback and fell 2....[Details]
In the third quarter of 2021, the domestic new energy vehicle market maintained the hot market in the first half of the year. According to the data from the China Association of Automobile Manufactur...[Details]
Check whether the high-voltage circuit is normal. If the low-voltage circuit is normal but charging still cannot be completed, check the high-voltage circuits between the charging cable, slow-charg...[Details]
According to Yonhap News Agency, Samsung Electronics said on Monday that it will launch its latest mobile application processor (AP) - Exynos 1080 - next week. Samsung revealed that the Exynos 1080 c...[Details]
1. System Block Diagram and Measurement Principle
The transistor output characteristic curve describes the relationship between UCE and lC when the base current IB remains unchanged. Since the ...[Details]
As for the functions of 8255 that we usually use, I think it is very simple! !
Why do I say so?
Actually, I just regard 8255 as a 139 decoder (2-4), CS is chip select, A0, A1 respective...[Details]
As the data transmission rate of cellular networks increases, the demand for data transmission from data cards and mobile phones is also increasing. As for WCDMA mobile phone amplifiers, since mobile ...[Details]
According to foreign media reports, Microchip Technology has launched the trusted computing encryption microcontroller CEC1712, which can terminate malicious programs such as rootkits and bootkits in...[Details]
I have been trying to learn STM32 bootloader these days. I looked it up online and found countless ways to implement it. So I wanted to do it myself. Please listen to me carefully below, the chip I c...[Details]
Common defects in NOMEX honeycomb composite materials include debonding of face sheet and core material, face sheet delamination, inclusions in honeycomb core, wrinkles in honeycomb core material, and...[Details]
RF/Wirelessly
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