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More than a month after separating from the Huawei system, Honor executive Zhao Ming, while warming up for the new phone, also officially made his attitude clear to the outside world: Honor will not ...[Details]
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What is a PIC microcontroller?
PIC (Peripheral Interface Controller) is an integrated circuit (IC) used to control peripheral devices. It is a CPU with decentralized (multi-tasking) functi...[Details]
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Transient thermal impedance is a measure of how a device behaves when pulsed power is applied. It is important because it determines how the device behaves under low duty cycle and low frequency pu...[Details]
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1 Introduction
The automatic temperature control phototherapy system is a medical physiotherapy instrument. Its principle is to use a single-chip microcomputer to control the thyristor to contro...[Details]
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The resistance range of digital and analog multimeters, the additional voltage (detection voltage) ranges from about 0.3v to up to 12v. The insulation resistance meter needs to detect the additional ...[Details]
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Qualcomm Technologies and Google Cloud announce collaboration on Neural Architecture Search (NAS) for the intelligent connected edge
Qualcomm Technologies is the first SoC customer t...[Details]
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NXP is integrating Septentrio’s Mosaic multi-frequency, multi-satellite GNSS receiver into its V2X reference designs and development boards. The module helps determine accurate lane positioning, whic...[Details]
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Obviously, the kernel timer of Linux is based on the clock tick (same as ucos). The clock tick of ucos can be set by the void OS_CPU_SysTickInit (INT32U cnts) function. In Linux, the clock tick is ...[Details]
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GP88S walkie-talkie is one of the main models currently in use. Its charger is uniquely designed and has the characteristics of a switching power supply. It uses pulse surge charging to increase th...[Details]
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At present, two new technologies have emerged for reversing: ultrasonic ranging and rear-view camera.
Reversing radar and rear-view camera have their own advantages and disadvantages. The former ha...[Details]
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Four major types of motors
Motors are classified according to their working principles and structural characteristics. Common motor types include the following four:
DC motor: DC mo...[Details]
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The Digital China Innovation Competition is an important supporting event of the Digital China Summit. It is jointly hosted by multiple national ministries and Fujian Province. It ...[Details]
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1. Problem statement Figure 1 below is a screenshot of the test results of a 25MHZ clock signal:
Figure 1 Test results of the frequency, rise time, etc. of a 25M clock signal using a 1G bandwid...[Details]
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The effective service life of combustible gas is measured based on the sensor of its probe. Generally, we can test the measurement accuracy and accuracy of combustible gas with a lighter. The measure...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
RF/Wirelessly
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