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To wire up a single EEPROM chip, connect to a Pyboard as below. Pin numbers assume a PDIP package (8 pin plastic dual-in-line) for the Microchip device and 8 pin SOIC for the STM chip. For multiple chips a separate CS pin must be assigned to each chip: each one must be wired to a single chip's CS line.

from pyb import Pin, ExtInt callback = lambda e: print("intr") ext = ExtInt(Pin('Y1'), ExtInt.IRQ_RISING, Pin.PULL_NONE, callback)

2021年9月7日 · while ( ( (GPIO_ReadInputDataBit (Y1_GPIO_PORT,Y1_GPIO_PIN))| (GPIO_ReadInputDataBit (Y2_GPIO_PORT,Y2_GPIO_PIN))| (GPIO_ReadInputDataBit (Y3_GPIO_PORT,Y3_GPIO_PIN))| (GPIO_ReadInputDataBit (Y4_GPIO_PORT,Y4_GPIO_PIN))) > …

2019年12月13日 · GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Pin = X4_GPIO_PIN ; GPIO_Init (X4_GPIO_PORT, &GPIO_InitStructure);

# Using the ADC (Analogue to Digital Converter) # Make sure you have the ADC checkbox marked! import machine import pyb import time # The slider is connected to pin Y4, try adjusting it y4 = machine. Pin('Y4') led = pyb. LED(4) while True: adc = pyb. ADC(y4) print (adc. read()) if adc. read() > 128: led. on() else: led. off() time. sleep_ms(100)

2024年7月4日 · 当您在使用POS机进行交易时，偶尔会遇到应答码Y4，这通常表示银行卡信息无效或者是卡片过期。 POS机会根据收到的信息做出反应，帮助您更好地理解交易失败的原因。

M12 Y4-coding Straight Connector, Panel, Front Mount, ShieldedMale 19

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