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A stepper motor is a motor that can accurately control the rotation angle and speed in synchronization with a pulse signal. It is also called a "pulse motor". Since stepper motors can achieve accur...[Details]
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On December 29, 2021, the completion ceremony of Jiangsu Fulehua Power Semiconductor Research Institute was held in Dongtai, Yancheng. The total investment of the project is 200 million yuan. It is...[Details]
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There are still many USBasp or USBisp 51/AVR programmers on Taobao, which use open source USBasp hardware, PROGISP software or other download software. In fact, we can easily change them to STK502 ...[Details]
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In the latest report released by global research firm Counterpoint Research, China has become the largest contributor to 5G mobile phones. In July, 79% of mobile phone shipments came from the Chinese...[Details]
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Power supply circuit: Since the power supply circuit of this system needs to supply power to two modules, the single-chip microcomputer and the voice module ISD1820, which have relatively high pow...[Details]
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The final results of the "OFweek Robot Awards 2022" jointly organized by OFweek, a Chinese high-tech industry portal, and its authoritative
robot
professional media - OFweek Robotics, w...[Details]
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For flat panel TV panels, industry insiders generally believe that LED, 3D, frequency doubling, ultra-high definition and ultra-narrow borders are the technical development trends of panels. Howeve...[Details]
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The source program of the 51 single-chip PCA9685 driver board driving the servo single-chip is as follows: #include reg52.h #include intrins.h #include stdio.h #include math.h type...[Details]
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For RF engineers, a basic and indispensable measurement tool is used at every stage of their product life cycle: spectrum analyzer or signal analyzer. Key indicators of the instrument, such as perfor...[Details]
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Today, industry insider @手机陶瓷达人 broke the news that Qualcomm's 4nm Snapdragon 8 Gen1 Plus wafers cast at TSMC are expected to be delivered in the second quarter with 20,000 wafers. It stated that st...[Details]
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The standardized calibration method of infrared thermometer is to use blackbody furnace calibration. Blackbody refers to an object whose absorption rate of incident radiation of all wavelengths is equ...[Details]
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1. How to generate .map file:
4. The maximum pointer variable supported by IAR compiler by default is 0xFFFF. If it exceeds 0XFFFF, you need to set it in OPTION. Select Large in Project-- Opti...[Details]
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Shanghai Tongyu Automobile has confirmed its application for the 2021 Golden Collection Award Top 100 New Automotive Supply Chain Selection Event with its wire-controlled electronic hydraulic brake s...[Details]
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1. Why do we need DMA?
First, let's look at the serial port to transmit information: sending strings.
Send function: Add the following send function in uart.c:
Next c...[Details]
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Most medium to high power supplies use fans to help dissipate internal heat generated by inefficient AC to DC conversion. Because fans are electromechanical devices, they reduce the system's MTBF (me...[Details]