磨损
发表于 2025-3-21 18:51:45
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COUCH
发表于 2025-3-21 20:39:52
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消灭
发表于 2025-3-22 01:16:53
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Brain-Waves
发表于 2025-3-22 08:03:33
More Pi Inputs with 74HC165,e when many of the alternate functions are being used (SPI, I2C, UART, PWM, and so on). One way to cost effectively expand the number of Pi inputs is to attach one or more 74HC165 CMOS chips. These are available from digikey.com for as little as a dollar. Figure 9-1 illustrates an example of the 16-
热心
发表于 2025-3-22 12:22:50
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懒惰民族
发表于 2025-3-22 16:40:02
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懒惰民族
发表于 2025-3-22 17:04:17
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大漩涡
发表于 2025-3-22 21:29:50
Book 2017sters. I2C I/O extenders. ..What you‘ll learn:.Build simple, low cost input/output interfaces including rotary encoders .Interface with 5-volt devices from a 3-volt Raspberry Pi system .Apply analog to digital and digital to analog conversions on the Pi .Read potentiometers (volume control) from the
方便
发表于 2025-3-23 04:35:38
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justify
发表于 2025-3-23 06:32:06
https://doi.org/10.1007/978-1-4842-2406-9Raspberry Pi; hardware interfaces; maker; SRD; projects