There are many programs on the Internet for driving RC522 with MSP430, but beginners don't know how to modify them. unsigned char SPIByte(unsigned char SPI_Byte) { unsigned char SPI_Recv; USISRL = SPI...
I received a call today and unexpectedly received a small prize. It turned out to be the prize from this event. The timeless IoT solution [/size][/b] [b][size=3] It looks small and exquisite, and feel...
[i=s] This post was last edited by dontium on 2015-1-23 11:34 [/i] This is a classic work by the master of National Semiconductor. It explains the fault diagnosis of analog circuits in detail. Haha, I...
Project requirements: Scan the QR code (including 16 bytes of data) laid on the ground on a car moving at 1.5m/s, and complete image acquisition and processing within 50ms. Considered platform: stm32f...
LCD1602 data transmission problem? I have a question: DB0~DB7 are the data transmission ports of LCD1602. Usually we write data in this form: PORTA=dat; that is, PA0~PA7 are used to transmit data to D...
[b]1-6-3-2. Calculation of the parameters of the forward switching power supply transformer[/b] The calculation of the parameters of the forward switching power supply transformer is mainly considered...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]