- 追加された行はこのように表示されます。
- 削除された行は
このように表示されます。
!BPI:BIT
micro:bit の WROOM32版
http://wiki.banana-pi.org/BPI-Bit
! MPU9250 9-axis sensor
MPU9250 uses I2C 0x69 address
# Check I2C communication..
#include <Wire.h>
void setup()
{
Wire.begin();
Serial.begin(115200);
while (!Serial);
Serial.println("\nI2C Scanner");
}
void loop()
{
byte error, address;
int nDevices;
Serial.println("Scanning...");
nDevices = 0;
for(address = 1; address < 127; address++ )
{
// The i2c_scanner uses the return value of
// the Write.endTransmisstion to see if
// a device did acknowledge to the 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("Unknown error at address 0x");
if (address<16)
Serial.print("0");
Serial.println(address,HEX);
}
}
if (nDevices == 0)
Serial.println("No I2C devices found\n");
else
Serial.println("done\n");
delay(5000); // wait 5 seconds for next scan
}
https://qiita.com/naninunenoy/items/bf96f5ca34aacf347a9e
https://x-io.co.uk/open-source-imu-and-ahrs-algorithms/
!KiCAD microbit-edie-conector
https://github.com/anthonykirby/kicad_microbit_connector
http://wiki.banana-pi.org/BPI-Bit
! GPIO sensers
,GPIO control of BPI:bit,GPIO,ADC
,Light Sensor(L) ,GPIO 36,ADC1_CH0 ,Analog Input_A0
,Light Sensor(R) ,GPIO 39,ADC1_CH3 ,Analog Input_A3
,Botton A ,GPIO 35, ,Digital Input
,Botton B ,GPIO 27, ,Digital Input
,Temperature Sensor ,GPIO 34,ADC1_CH6 ,Analog Input_Analog A6
,Buzzer ,GPIO 25, ,PWM(Digital Output) / Analog Output
,RGB_LED ,GPIO 4, ,Digital Output
,MPU9250_SCL ,GPIO 22, ,Digital Output
,MPU9250_SDA ,GPIO 21, ,Digital Output
,MPU9250_INT ,GPIO 16, ,Digital Input
,R_LED(SPI_SCK) ,GPIO 18, ,Digital Output
! HardWare PIN define of BPI:bit
,Pin Name ,Analog Function1 ,Analog Function2 ,Function1 ,Function2 ,Power
,P3 ,ADC2_CH4 , ,GPIO13 ,
,P0 ,ADC2_CH8 ,DAC_1 ,GPIO25 ,
,P4 ,ADC2_CH3 , ,GPIO16 ,
,P5 ,ADC1_CH7 , ,GPIO35 ,
,P5 ,ADC1_CH7 , ,GPIO35 ,,ボタンA
,P6 ,ADC2_CH5 , ,GPIO12 ,
,P7 ,ADC2_CH6 , ,GPIO14 ,
,P1 ,ADC1_CH4 , ,GPIO32 ,
,P8 , ,,GPIO16 , ,
,P9 , ,,GPIO17 , ,
,P10 ,ADC2_CH9 ,DAC_2 ,GPIO26 ,
,P11 ,ADC2_CH7 , ,GPIO27 ,
,P11 ,ADC2_CH7 , ,GPIO27 ,,ボタンB
,P12 ,ADC2_CH2 , ,GPIO02 ,
,P2 ,ADC1_CH5 , ,GPIO33 ,
,P13 , ,,GPIO18 ,SPI_SS ,
,P14 , ,,GPIO19 ,SPI_SCK ,
,P15 , ,,GPIO23 ,SPI_MISO ,
,P16 , ,,GPIO05 ,SPI_MOSI ,
,3V3 , ,, , ,POWER:3V3
,3V3 , ,, , ,POWER:3V3
,3V3 , ,, , ,POWER:3V3
,P19 , ,,GPIO22 ,I2C_SCL ,
,P20 , ,,GPIO21 ,I2C_SDA ,
,GND , ,, , ,GROUND
,GND , ,, , ,GROUND
,GND , ,, , ,GROUND