標(biāo)題:
arduino掃描已連接到arduino的i2c設(shè)備地址
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作者:
544919169
時間:
2019-2-21 11:08
標(biāo)題:
arduino掃描已連接到arduino的i2c設(shè)備地址
#include <Wire.h>
void setup()
{
Wire.begin();
Serial.begin(9600);
Serial.println("nI2C Scanner");
}
void loop()
{
byte error, address;
int nDevices;
Serial.println("Scanning...");
nDevices = 0;
for(address = 1; address < 127; address++ )
{
Wire.beginTransmission(address);
error = Wire.endTransmission();
if (error == 0)
{
Serial.print("I2C device found at address 0x");
if (address<16)
Serial.print("0");
Serial.print(address,HEX);
Serial.println(" !");
nDevices++;
}
else if (error==4)
{
Serial.print("Unknow error at address 0x");
if (address<16)
Serial.print("0");
Serial.println(address,HEX);
}
}
if (nDevices == 0)
Serial.println("No I2C devices foundn");
else
Serial.println("donen");
delay(5000); // wait 5 seconds for next scan
}
作者:
ixuexi
時間:
2019-3-3 14:34
謝謝分享
作者:
付振
時間:
2019-3-7 09:38
謝謝分享
作者:
mengzhuang
時間:
2019-3-13 20:33
很有用，謝謝分享！
作者:
synapse
時間:
2020-12-16 23:58
可以，終于解決了ESP8266 I2C讀PCF8574的問題
作者:
gdgzwqz
時間:
2023-4-7 02:11
如何實現(xiàn)I2C中的單個IO讀寫控制，同時不影響其他IO��？
歡迎光臨 (http://www.torrancerestoration.com/bbs/)
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