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Using 3DD25 transistor to make photosensitive tube
Electronic enthusiasts often use phototransistors, or photosensitive tubes for short, when making photoelectric controllers or devices....[Details]
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During this period, I learned how to use the LCD12864 without font library, and designed a microcontroller jump game based on it. The main function is to control the jumping of the firewood man and d...[Details]
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As the fourth generation of green, energy-saving, power-saving and long-life lighting fixtures, LED light sources have emerged, attracted widespread attention and developed rapidly. The current LED li...[Details]
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Solar energy is an inexhaustible clean energy. With global environmental pollution and energy crisis becoming increasingly serious, research on solar energy utilization is of great significance t...[Details]
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According to Yonhap News Agency, Samsung Electronics announced on the 20th that it will temporarily close its TV factory in Slovakia from the 23rd due to the continued outbreak of the new coronavirus...[Details]
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Electronic table tennis game console
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Initialization
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lw bit 20h.0
rw bit 20h.1
...[Details]
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Many solar panel powered applications require only pulses of power to operate. Frequently, we need to turn on the data collection or measurement sampling system, perform a measurement or other task, s...[Details]
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Leaker Sonny Dickson shared a new iPhone 13 mockup on Twitter that shows the camera layout of the standard iPhone 13 and iPhone 13 mini. The picture shows that the layout has been modified, with ...[Details]
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Method for detecting PNP type transistor with pointer multimeter:
1. Before testing the PNP transistor with a pointer multimeter, select the RX1K position and adjust the zero. When testin...[Details]
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1. ARM ARM is an embedded development board that uses the core chip of the British company ARM (Advanced RISC Machines) as the CPU and adds other peripheral functions to evaluate the functions of the...[Details]
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#include avr/io.h #include avr/interrupt.h #include inttypes.h #include avr/sfr_defs.h #include util/delay.h #include avr/pgmspace.h #include stdio.h #include stdarg.h //The board I use is ma...[Details]
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On April 25, the US government announced that it would spend 11 billion US dollars (IT Home Note: currently about 79.86 billion RMB) to establish a special research and development center to promot...[Details]
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The switch to lead-free soldering requires not only confirmation of long-term reliability and changes in temperature (material group) up to 260°C, but also confirmation of manufacturability and testab...[Details]
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1. Introduction
With the dual pressure of energy conservation and emission reduction and production costs, today's steel industry needs higher efficiency than ever before. For any steel plant,...[Details]
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Cold ablation, cold cutting and cold drilling with ultrashort
laser pulses
has been a vision for industrial applications for more than two decades. Early experiments in the past decade us...[Details]