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1. General calling procedure:
CQ 3 times
DE(THIS IS) 1遍
This station's call sign
3 times
K(STANDING BY)
1遍
2. Procedure for calling a long-distance ra...[Details]
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A White House official said on Monday local time that U.S. National Security Advisor Jake Sullivan visited Brazil last week and expressed concerns about Huawei equipment in the country's 5G network, ...[Details]
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Preface
Inertial navigation systems, various seekers, spacecraft and other test and recording application systems all require autonomous, real-time and reliable storage of a large amount o...[Details]
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Allegro Releases Three-Phase Gate Driver for Electric and Hybrid Vehicles
New device keeps batteries and HVAC systems running quiet and cool
Manchester, New Hampshire, USA...[Details]
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On May 30, blogger @数码闲聊站 revealed that Xiaomi's liquid lens will have an upgraded version this year. As we all know, Xiaomi's first foldable screen mobile phone MIX FOLD launched in March la...[Details]
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The small MCU STM8S003F3 has only 1K RAM and 8K Flash. Its application is relatively simple, including AD sampling, GPIO control, and PWM control. It is a good embedded application. A recent projec...[Details]
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The FPGA Summer Program will help community members gain expertise in basic components through workshops, training courses, webinars, product testing, and a raffle. Shanghai, China, July 5, 2021...[Details]
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JFrog will continue to expand its solution to bring advanced MLOps capabilities to enterprises, enabling them to build, deploy, manage, and monitor AI workflows including generative AI, large lan...[Details]
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Basic knowledge of infrared receiver
The infrared receiving circuit is usually composed of an infrared receiving diode and an amplifier circuit. The amplifier circuit is usually comp...[Details]
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With the rapid development of wireless communication technology and the continuous evolution of specifications over the past decade, various wireless technologies, whether GSM, GPS, WLAN (such as Wi-F...[Details]
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Due to the cost limit of the microcontroller, if I want to store a certain byte, I need to erase the entire page. If I want to keep the data in other places, I have to cache it, which takes up more RA...[Details]
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Power consumption is one of the most vexing issues facing portable medical devices today. Bluetooth low energy technology has the potential to solve this problem.
Wireless technology has been...[Details]
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When evaluating Lenovo Group's Q3 performance, Yang Yuanqing used the word "valuable" twice in a row to give his affirmation. In the third quarter, Lenovo's revenue reached 99.3 billion yuan, and ...[Details]
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Abstract: In view of the high cost and long cycle of developing digital video surveillance equipment, the open source free software MJPG_Streamer is used on the ARM+Linux embedded platform to rea...[Details]
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5G is here! On August 20, Nanjing Unicom's Xiaoying 5G base station was successfully opened. This is the first time in China that a 5G base station has been built in a substation, which means that ...[Details]
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