The I2C Scanner example is a very common Arduino sketch example to scan the I2C bus for available devices and get their addresses (if found). That can be useful if you don’t know the address of any I2C device o
println("---I2C 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(); Wire.beginTransmission(address+1); if (error ...
I tested on my side my BluePill, with PB6 as I2C_SCL and PB7 as I2C_SDA . It works well. I don't have MPU9250, but at least scanning on other devices is working. Can you test the scanner example ? Also if you have the ability to put an oscilloscope/analyzer on I2C PB6/PB7...
//LCD Settings #define I2C_ADDR 0x3F // <<—– Add your address here. Find it from I2C Scanner #define BACKLIGHT_PIN 3 #define En_pin 2 #define Rw_pin 1 #define Rs_pin 0 #define D4_pin 4 #define D5_pin 5 #define D6_pin 6 #define D7_pin 7 LiquidCrystal_I2C lcd(I2C_ADD...
One with the I2C scanner example (https://github.com/stm32duino/Arduino_C ... canner.ino) with speed set to 400kHz and one with your code that I've cleaned and use the default Wire instance which are already on PB7/PB6: Code:Select all ...
I am trying to run the i2c detect script from Arduino from http://playground.arduino.cc/Main/I2cScanner I modified the setup and started with Wire.pins(2, 0); Wire.setClock(100000); Unfortunately, the code returns error == 0 for all addresses. Am I doing something wrong? Did I not ...
arduino纳米EN您将AD0连接到地面，从而将设备的地址更改为0x68而不是0x69。将代码中的i2c_addr更改为...
I2C scanner. Scanning ... Found address: 81 (0x51) Examples This example is ... I2C scanner. Scanning ... Found address: 39 (0x27) Done. Found 1 device(s). Scan I2S on ESP8266 -- http://www.esp8266.com/viewtopic.php?f=19&t=771 -- Scan for I2C devices id=0 sda=8 scl=...
When creating the lcd instance you may have to adjust the I2C addresslcdAdr(0x3f, 0x27) and the size (16×2, 20×4), depending on the display you are using. If you can’t get it working, run anI2C scannerto find the address of your display. ...
I2C LCD interfacing with ESP32 and ESP8266 in Arduino IDE LCD interfacing with MSP430 LaunchPad INTERFACING LCD WITH 8051 MIROCONTROLLER with code You may also read the following topics to get an idea about the applications of LCD. Interface GT511C3 Fingerprint Scanner Module with Arduino ...