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4 Thermal conductivity and emissivity of heat dissipation materials 4.1 Thermal conductivity of heat dissipation materials The thermal conductivity of a material reflects the strength of the material...[Details]
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With the advent of the LTE multi-band and multi-mode smartphone era, the new generation of smartphones requires the addition of LTE mode and corresponding operating frequency bands based on 2G and 3G...[Details]
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.Preface Previously, I wrote a post proposing to modify Helix into a decoding algorithm that can run on any processor. And focus on testing with domestic microcontrollers based on RISC-V processors. ...[Details]
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;Use C port for keyboard scanning, 7-segment digital tube displays key number, 63 series general register address: 20~7FH, A0~FFH, did not achieve the expected purpose, only using single digit to dis...[Details]
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frequency meter:
LCD1602 display
Without adding external counting hardware, this test software can measure the highest frequency up to 460KHz
working principle:
The number of input pulses counte...[Details]
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With the trend toward higher frequencies, the frequency band spacing of smartphones is gradually shrinking, the difficulty of frequency band isolation is increasing, and the performance requirements ...[Details]
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One of the most important changes introduced in the ARMv8-A architecture is the addition of a new instruction set called AArch64. This instruction set contains many of the same features as the existi...[Details]
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Some smart mattresses can adjust the height of different parts of the mattress by installing various sensors and motor drivers. This article mainly mentions the application of Xinbei Technology's H...[Details]
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NEC MCU Tips: Several Basic Circuits Engineers Should Master
Beginners should remember these basic circuits, intermediate scholars should be able to analyze the role of key components in these cir...[Details]
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background: I have been studying the HAL library recently, and summarized the knowledge points of GPIO related functions of the HAL library in STM32. content: The GPIO related registers are defined ...[Details]
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1. Operators and special symbols
Line1; Execute Line, no result is displayed
Line1, line2 Execute Line1, 2 in sequence and display the results
?name Information about the system ...[Details]
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China Energy Storage Network News:
On November 1, Eastern Time, a forum themed "Building a Global Energy Internet to Promote the United Nations 2030 Sustainable Development" was held at the U...[Details]
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The frequency synthesis system implemented by the DDS+PLL combination can achieve high frequency resolution, fast conversion and a wide frequency range to meet the frequency requirements of various...[Details]
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CS5261 is a USB TYPEC to HDMI 4K30HZ audio and video conversion solution chip. This USB Type-C to HDMI converter combines a USB Type-C input interface and a digital high-definition multimedia interfa...[Details]
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1. Experimental task
As shown in Figure 13, use the P0 port P0.0-P0.7 of the AT89S51 microcontroller to connect to the a-h segments of a common cathode digital tube, and the common end of the...[Details]
Discrete Device
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