1. Frame structure comparisonWhat 4G and 5G have in commonThe frame and subframe lengths are both 10ms and 1ms.
Minimum scheduling unit resource: RB
Differences between 4G and 5G
1); Subcarrier widt...
The UART port of MSP432 is directly connected to the debugger:In fact, we can directly use the USB port of the debugger as a serial port, using P1.2 and P1.3, and no additional wiring is required, whi...
I haven't measured the actual power consumption, but it ran out of power in 6 hours with a 400mah battery. That's a bit fast. Is there any way to solve this?
The code is as follows:from machine import...
In the latest update, STM32 allows pyb, uos, utime, machine and onewire modules to be configurable. This is enabled by default, but can be configured in mpconfigboard.h through the following definitio...
The switching power supply controls the time ratio of the switch tube in the circuit to turn on and off, and maintains a stable circuit voltage output. It is a very common power supply design. Ho...[Details]
Servo Motor Principle
1. AC servo motor
The structure of the AC servo motor stator is basically similar to that of the capacitor split-phase single-phase asynchronous motor. Its stator is...[Details]
Taiwan-based electronics foundries announced their April revenues. Pegatron continued its good performance from March, with monthly revenue growing by 25%. Quanta also maintained its monthly growth p...[Details]
When we plan to upgrade a 16-bit microcontroller (MCU) to a 32-bit one, we usually have to consider many design issues. This article uses the automotive engine control unit (ECU) as an example to b...[Details]
Currently, driven by better display and memory technologies, as well as the impending deadline for digital television broadcasts in North America, the development of high-definition video is rapidl...[Details]
Mophie has launched a new 4-in-1 wireless charging pad that can wirelessly charge four devices at the same time. The Mophie 4-in-1 Wireless Charging Pad is designed to be used at home and ca...[Details]
Recently, the US IIHS made a corresponding announcement on the recent AEB test, stating that the performance of vehicles equipped with AEB (active emergency braking system) at night is almost exactly...[Details]
On July 8, SMIC issued an announcement stating that the number of the company's restricted shares listed and circulated this time is approximately 775 million shares, accounting for 9.81% of the com...[Details]
Working principle of programmable controller and processing principle of input and output
Any relay control system is composed of three parts, namely, input part, logic part, and output ...[Details]
Have you ever purchased an integrated camera? When purchasing, the user should be clear about what the main purpose of purchasing the camera is. The following are two issues that need to be paid at...[Details]
#pragma interrupt_level 1 void function (void) { } Then write the following in the interrupt function: #pragma interrupt_level 1 void interrupt(void) { function(); } void main (void) { function()...[Details]
F 289 True RMS Industrial Recording Multimeter
●The included low-pass filter allows accurate measurement of voltage and frequency on variable speed motor drives or other electronically noisy ...[Details]
At the 2024 AMTS (Shanghai International Automotive Manufacturing Technology, Equipment and Materials Exhibition) which just concluded successfully, Hikvision once again became the focus of the ind...[Details]
The usb_prop.c file is a very important file because many USB processing functions are defined here. Some processing in the USB establishment phase, data phase or status phase is in this file, and th...[Details]
CNC machine tools, or Computer Numerical Control Machine Tools, are computer-controlled automated machine tools. They have the characteristics of high efficiency, high precision, and high reliabili...[Details]
RF/Wirelessly
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