In the first evaluation, the environment was built and the SoC - Blinky example was tested. This time, we will learn about the reading and writing of the Bluetooth BLE LED light service.Bluetooth BLE ...
When I use Cadence to make a circuit board, the diode device in the schematic diagram has 2 pins, but I add a 3-pin package to it, and then I can't pull this package into the Allegro PCB. How can I se...
[b]Python implements stack[/b][p=26, null, left][color=rgb(51, 51, 51)][font=-apple-system, BlinkMacSystemFont, "]A stack is a last-in-first-out data structure. It works like a bunch of cars queuing u...
Mobile 6, a program displayed at the front hides the OK and × buttons, but the × button often still appears. After clicking other programs in the start menu, it disappears. I suspect that it was left ...
Q: When I cleared the interrupt as the last instruction in the ISR, the ISR code is called immediately upon exit half the time. Is there a possibility of race condition ? Answer: The core (Cortex-M3) ...
I want to make an ultrasonic receiving circuit, but the waveform from the comparator is very strange. After amplification, the waveform is normal. I want to ask what is the reason...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
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