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Many friends must have a lot of feelings about this kind of LED flashlight powered by three No. 7 batteries. I won’t talk about their specific feelings, but just watch how I modified it.
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1. Hardware Introduction: (Using 5050LED 2W) The RGB three-color LED control pins are P1.2, P1.1, and P1.0 of the microcontroller. The positive pole of the LED is connected to the positive pole of th...[Details]
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Sievers Semiconductor and Rohde & Schwarz collaborate
to test 5G RF transceivers up to 71 GHz
As 5G networks are rolled out around the world, the 5G NR standards are evolving. With the rele...[Details]
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0 Introduction
Flashlights, MR-16 bulb upgrades, emergency lights, and virtually any low-power white light lighting application are already using LED technology.
Stree...[Details]
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With the mandatory implementation of the US FCC E911 requirement for ±3 meters vertical positioning of mobile phones and the rapid increase in the popularity of smart wearable devices, atmospheric pr...[Details]
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Previously, when Xiaomi 9 was sent to DXOMARK for testing, it cleverly set the video shooting quality to 4K by default. After the test results came out, Xiaomi 9 scored first because it was set to 4K...[Details]
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Industry sources said that DRAM spot prices fell rapidly in August, which may put downward pressure on contract prices in the fourth quarter. Citing the above sources, Electronic Times reported that ...[Details]
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Are you still foolishly using this method to run bare metal programs? The development board is started with norflash, and the led.bin bare metal program is burned into nandflash through the supervi...[Details]
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void LCD_Print_Pix(unsigned char x,unsigned char y,unsigned char display_mode); //1/4 area arbitrary point drawing program
unsigned char bank1 Lcd_Buffer0 = {{0}, {0}}; //LCD display data bu...[Details]
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LEM introduces the HMSR DA, the first integrated current sensor on the market to offer a Sigma Delta bitstream output.
The device offers significant advantages for use in applications su...[Details]
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Oscillator Circuit
Figure Oscillation circuit diagram
There are crystal oscillators in the microcontroller system. The crystal oscillator plays a very important role in the microcontroller syste...[Details]
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At present, wired data transmission is basically used at oil field drilling sites across the country. Wired transmission has many disadvantages. On-site wiring is complicated and there are safety h...[Details]
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In today’s world of embedded computing, power efficiency is arguably one of the most important specifications for a microcontroller unit (MCU). This demand has led many companies to continually pus...[Details]
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On May 26, IT Home learned from the Sankei Shimbun that a research team led by Associate Professor Yoshihiro Nakata of the University of Electro-Communications in Japan has recently successfully de...[Details]
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On the afternoon of October 23, 2024, Han Ping, Assistant to the President of Changjiang Securities Co., Ltd. and President of Changjiang Growth Capital Investment Co., Ltd., Wang Peng, Secretary t...[Details]
PCB Design
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