I took apart an old doorbell. There are 7 pins on the chip, connected to a transistor and two small capacitors, with only the words "BY-1". Some of the wires are missing. Does anyone have a picture of...
[i=s] This post was last edited by flying510 on 2015-9-8 13:39 [/i] [p=30, 2, left][size=5]I want to use MSP430 as the controller, and collect the voltage and current through the AD acquisition amplif...
Since I am not very familiar with Bluetooth routines, I have been trying to add new functions through GATT, but I still have no idea. I also checked the evaluation requirements and it seems that today...
1. Preparation before equipment installation 1. Before installing the equipment, all lines of the system must be fully checked to see if there are any disconnections or short circuits;
2. After con...
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]
The adoption of vehicle tracking systems for cars and fleets is increasing. Modern trackers have reduced form factors and increased functionality to support active data transmission for real-time tra...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
The ZTE incident has aroused people's concerns about the future of Chinese chips, and they have been using WeChat and Weibo to express their views; the Chinese display industry is also worried abou...[Details]
The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[Details]
The following is a 16-way multi-channel ADC acquisition circuit diagram and source program made using the STM32 microcontroller. It uses a USB interface to connect to the computer, which is actually ...[Details]
When the program starts running, light A turns on for 5 seconds, then turns off, light B turns on for 5 seconds, light B turns off, light C turns on for 5 seconds, light C turns off, the program ends...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
MCS-51 single-chip microcomputer, a simple assembly language program, calculates the function value of a piecewise function. It is known that there is a variable X in the 25H unit. It is required to ...[Details]
It is required to use MCS-51 microcontroller to sort data. 1. Sort the 8 data in ascending order; 2. The data to be sorted is stored in the internal data memory address units 30H-37H, which are 34H, ...[Details]
Unfortunately, my serial port has some problems and I can't print information. I can only debug to view variables and see the values. Fortunately, there is not much AD conversion code, and I can use ...[Details]
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