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Shouldn't the PN532's IRQ pin generate an interrupt when a card is received? I'm using the serial port mode, but why is it that even though I set the IRQ pin to be enabled, it doesn't work? I can read...
[i=s] This post was last edited by shihuntaotie on 2019-1-9 21:39 [/i] [font=宋体][size=4] Read all sensor data of the kit according to the evaluation plan, and still use the online IDE for programming....
Attention, friends on the road, at work, and at home, Pingtou Ge's 100 sets of RISC-V ecological development board RVB2601 are worth 390 yuan. The New Year is coming. Submit your ideas now and you wil...
I was in a rush to deliver goods. I didn’t have time for the sample. I just made a small batch and poured copper. I made a mistake in a hurry. The ground terminal of the Kelvin sampling was poured. Wh...
CMOS Image Sensor Gives Eyes to Autonomous Vehicles CMOS image sensors provide visual perception for self-driving cars To achieve fully autonomous vehicles, information from multiple sensors needs...[Details]
Driving can easily make people feel lonely. On the one hand, you must concentrate on driving and pay attention to the dynamics inside and outside the car. On the other hand, all operations during dri...[Details]
At present, semiconductors, as a basic and leading industry, have become an important pillar of world economic development.
Against the backdrop of a complex international environment and incr...[Details]
According to previously exposed information, the iPhone 12 series will cover four mobile phones, and the iPhone 12 alone will have two size versions, 5.4 inches and 6.1 inches. On May 18, the renderi...[Details]
How Oscilloscope Probes Affect Measurements: In order to display a signal on an oscilloscope, some portion of the signal must be directed to the oscilloscope input circuitry. As shown in Figure 3-1, ...[Details]
Inertial sensors, accelerometers and angular rate gyroscopes, serve as the "inner ears" of cars, and for years have performed some basic, low-performance tasks in applications such as automotive ai...[Details]
The switching power supply circuit of the inverter can be completely simplified into the circuit model in the figure above, and the key elements in the circuit are included. And any complex switchin...[Details]
1. Open the "Electronic School Toolbox" CD and refer to the video in the CD to install IAR. After the installation is complete, the following interface will pop up when you open the software. We will...[Details]
The input and output instructions are used to complete the data transfer between the I/O port and the accumulator. The address value of the I/O port is given in the instruction. When the input instru...[Details]
The following is the operation method of the dielectric loss tester: 1. Preparation before measurement: 1) Connect one end of the grounding wire to the grounding post of the instrument and the other ...[Details]
This paper takes AT89S51 single-chip microcomputer as the core, proposes a design scheme based on DC motor speed regulation and speed measurement system, and then gives the main circuit structure of ...[Details]
The main and auxiliary windings of a single-phase motor have a total of 4 lead wires: the main winding is directly connected to the single-phase power supply, and the auxiliary winding is connected...[Details]
The safe storage of grain is a strategic event related to the national economy and people's livelihood. Scientific grain storage has important social significance and economic value. The granary moni...[Details]
Critical Decisions for Critical Infrastructure: How to Achieve the Most Accurate Timing and Synchronization
Critical infrastructure services such as telecommunications, utilities, tr...[Details]
Although LED technology is the mainstream in today's market, there are still many unsolved problems in LED technology, and the lifespan, energy saving and price of LED have always been topics that ...[Details]