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(1) Global variables whose initial value is not 0 Before the program is transferred to the main() function for execution, in addition to clearing the memory and initializing the stack, the initia...[Details]
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//Serial timing
#include reg51.h
sbit ad9850_fq_up =P1^1; //Connect to the fq_up pin of ad9850
sbit ad9850_bit_data = P1^2; //Connect to D7 pin of ad9850
sbit ad9850_w_clk =P1^3; //Connect to the w...[Details]
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Jiwei.com reported on November 13 that the official WeChat public account of Huawei Pollen Club published an article yesterday detailing the changes in the display of mobile phones after upgrading to...[Details]
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The ATOM processor uses a groundbreaking 45-nanometer process to integrate 47 million transistors into a single chip with an area of less than 25 mm2, making it the smallest and lowest-power X86 ...[Details]
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Google announced today that it is expanding the Password Checkup feature to older devices. Now, phones and tablets running Android 9 and higher can access the feature, which is part of Google's autof...[Details]
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The author installed an automatic lamp in the corridor at the door of his house. It can automatically light up when someone passes by, and automatically turn off after the person leaves. It stops wor...[Details]
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Windach, April 7, 2022 |
DELO has pioneered a new process technology that combines dispensing and pre-activation of adhesives in one process step.
Activation in the flow offers users new op...[Details]
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Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]
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The 89C51 microcontroller is an 8-bit Flash microcontroller from ATMET. Its biggest feature is that it contains 4KB reprogrammable Flash memory, 128×8B internal RAM and 2 16-bit timers/counters. It i...[Details]
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Engineers familiar with oscilloscope probes know that oscilloscope probes have X1 and X10 levels. How should we choose when measuring a signal? Today, PRBTEK will share with you: 1. Let’s look at t...[Details]
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January 17 , 2023 – Mouser Electronics, an industry-renowned New Product Introduction (NPI) agent that provides an ultra-rich range of semiconductors and electronic components™, is now shipping ...[Details]
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Infrared wireless module: 1. Hardware: infrared receiver + remote control 2. Connection method: the + and - of the receiver are connected to the VCC and GND of the microcontroller respectively, and S...[Details]
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A few days ago, OnePlus Technology CEO Pete Lau officially announced that the OnePlus 7 series will be officially released in Beijing on May 16. It is reported that this press conference will be the ...[Details]
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LED driver power supplies are currently developing towards high power factor, high output current accuracy, high efficiency, high reliability, low cost and small size. Therefore, the primary curren...[Details]
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1 Introduction
At present, with the continuous development of my country's electronic industry, the application of switching power supplies has attracted more and more attention from technicia...[Details]
RF/Wirelessly
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