Recently, when I was tuning the srio communication of 6672 and using nwrite to send data, a 6672 chip had data misalignment. Specific phenomenon: 1024 sequential numbers 0-255 0-255 0-255 0-255 were s...
1. Introduction to the original plan
The original solution uses Zigbee+wifi relay and 8266+cc2530X2. The 2530 blankets on the blanket continuously collect data, which consumes a lot of power. In the i...
sgf201onsemi and Avnet IoT Innovation Design Competition
Haha, I found a very interesting phenomenon. The express delivery from EEWORLD is Jetta Express, but it becomes Zhongtong Express when it arrives at my place. Is there a phenomenon of subcontracting? ...
In my system, timer4 interrupt service routine is used to call OSTimeTick(). I initialized timer4's rINTMSK &= ~(BIT_TIMER4); pISR_TIMER4 = (int)Timer4ISR; rTCNTB4 = (rTCNTB0 & ~(0xFFFF))|99; //1ms rT...
When the program is running, some functions are not executed and are skipped directly. What's going on? The following is a simple program that only reads the X-axis data. In SPI_GetX(); the SPI_Write2...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]