From: https://blog.adafruit.com/2021/01/20/circuitpython-6-1-0-released-adafruit-circuitpython/Updates since 6.0.1The changes made are extensive and would be too long to list here. Please check the fo...
As I get older, learning is always more or less difficult. Fortunately, my thirst for technology has urged me to learn new things. From my internship in 2008 to my official work in 2009, it has been n...
[font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]Overview: [/size][/font] [font=Tahoma, Helvetica, SimSun, sans-serif][size=14px]Currently, SDI-12 products are becoming more and more abundant an...
1. Introduction
Previously, we introduced two ways to drive WS2812B: GPIO pins and PWM combined with DMA. In this post, we will introduce another way: drive WS2812B through the SPI interface of MCU. W...
In recent years, driven by Dyson, the portable handheld vacuum cleaner market has developed rapidly. However, judging from the market response, the prices of such vacuum cleaners vary greatly, and the...
[i=s]This post was last edited by jqn on 2021-10-27 16:10[/i]How do I change the softi2c statement of micropython to i2c?i2c = SoftI2C(scl=Pin(MPU6886_SCL), sda=Pin(MPU6886_SDA))The uiflow I use does ...
There is a problem with the AVR download cable provided by ATMEL. The following is the circuit diagram of the AVR download cable: The circuit diagram above is provided by ATMEL. The improved ci...[Details]
1. Introduction Calorimetric gas mass flowmeter is specially used for measuring single-component gas or mixed gas of fixed proportion. It has been widely used in petroleum, chemical industry, semicon...[Details]
The launch of the iPhone 12 series will allow its main supplier Foxconn to see significant earnings during the holiday period and the last quarter of 2020, and the company has also announced that it ...[Details]
introduction Carbon monoxide (CO) is the most common toxic and harmful flammable and explosive gas, which brings huge harm to industrial safety production. Therefore, it is very necessary to develop ...[Details]
The HDV format is a new video format for recording and playing back high-definition images on ordinary DV standard videocassettes.
What is the HDV standard?
The concept of th...[Details]
Of course, the biggest problem in generating the 115200 baud rate discussed below is that its clock cycle is equal to 12 machine cycles (12T mode) If timer T1 is to be used as a baud rate generator...[Details]
The switching power supply can be precisely controlled through the magnetic amplifier, which can improve its stability. The magnetic amplifier core can be made of thin film alloy, ferrite or amorph...[Details]
The automotive market and even the larger mobile travel market are undergoing earth-shaking changes. Traditional vehicle manufacturers who once occupied a strong position will fall behind if they are...[Details]
Since Xiaomi accelerated its AIoT layout and invested in Shanghai Lingdong Microelectronics Co., Ltd. (hereinafter referred to as Lingdong Micro), Lingdong Micro's development has further accelerated...[Details]
The TV transmitter introduced in this article can transmit the audio and video signals output by satellite TV receivers, VCDs, video recorders, etc. in an open circuit mode, and receive the signals wi...[Details]
National Semiconductor's LM3914 dot/bar display driver has been on the market for more than 20 years, but it remains popular among designers. The LM3914 can sense an analog voltage and display it ...[Details]
Embedded network video server is an embedded device that provides network video transmission and sharing. It is designed and developed for building a high-reliability multimedia digital monitoring sys...[Details]
Kernel version: linux-3.5 Development board: tiny4412 Author: Peng Donglin Email: pengdonglin137@163.com Problem: Since I use git to manage the kernel code, the kernel version becomes the following ...[Details]
Microcontroller: PIC18F45K80 Function: Receive serial data ending with carriage return and line feed (0x0D, 0X0A). #define RX_SIZE 100 //Receive buffer size #define FINISH 1 bit RX_flag; //Rec...[Details]
The constant pressure water supply system is an automatic control system widely used in the field of water supply. Its core equipment is the frequency converter. The frequency converter achieves co...[Details]