The figure shows the signal before the logic analyzer collects the 485 chip. The CS signal does not wrap the entire TX frame. The CS pull-up and pull-down settings are set before and after sending....
I participated in sensorTag's activities. I'm busy learning these days. I have a good grasp of the software. I've been waiting for sensorTag to be shipped. In order to catch up with the progress, I ap...
typedef struct { struct cdev cdev; unsigned int value; }led_dev; In the _init function, there is cdev_init(&led_dev->cdev, &GPIO_LED_ctl_ops); but an error message is displayed: error: parse error bef...
The source code of the microcontroller is as follows: [color=rgb(102, 102, 102)][list=1] [*]//Receive function, after receiving the data, display it through the serial port, and set the serial port di...
The baud rate is 4800. After being modulated and sent, the pulse becomes narrower after demodulation at the receiving end. The duty cycle (the position of 1) is only about 30%, but the frequency is st...
Some experience in Bluetooth configuration, suitable for novices to quickly get started!Summary of Bluetooth configuration experience- Taking HC05 and HC06 as examples - Author: Zhang Xinbin
1. Prepar...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
China Energy Storage Network News:
On April 24, State Grid Corporation of China (hereinafter referred to as "SGCC") and China Southern Power Grid Co., Ltd. (hereinafter referred to as "CSGC")...[Details]
When
artificial intelligence
can help humans take on some work, we always divide the responsibilities of both parties very clearly. When humans work, we rarely see
artificial intelligen...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
This is also a routine in the development board, with explanations of the key points. The program is as follows: /********************************************************* Program notes: First...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]
Ouster LiDAR OS-1 (left) and OS-2 (center) Velodyne invented the modern 3D LiDAR scanner in the mid-2000s, but in recent years conventional wisdom has held that Velodyne’s design — 64 lasers mounted...[Details]
This example sets up a button to adjust the square wave of different frequencies (multiples of 100) from 100-1000hz. In addition, serial port communication is added, and the corresponding frequency c...[Details]
The key is the configuration of registers. The T1 timer (16 bits) of CC2530 needs to configure three registers: T1CTL, T1STAT, IRCON Here is just a brief introduction. For more details, please refer ...[Details]
Table of contents: 1 Overview 2: Common interrupt functions 3: PWM output 1 Overview In development, timers are widely used, which can be simply summarized into three aspects: 1.1: Application of ...[Details]
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