was at the time of this re-wiring that the missing level shifting transistor on the SCL line was discovered. H #define RST / BNO RST pin number #define BNO_addr 0x28 / I2C address of BNO #define ACC_data_X_LSB 0x08 / BNO register Acceleration Data X LSB #define calib_stat 0x35 / BNO register SYS Calib Status 7:6, GYR Calib Status 5:4, ACC Calib. It will be 356.1458 in the first Mega, but it prints out.1458 in the second Mega. gin / initialize I2C tClock(100000L / I2C speed, 400 kHz is a little fast for Arduino's pullups intln Resetting BNO055. Another approach is to use two more Arduino (eg Pro Mini or Micro) units to support separate I2C busses for additional BNO055's. If you plan to get data from five different BNO055's, you may need to use a multiplexer (or several I/O's) to set COM3 on one BNO055 board to a different level than on the other four, to select one of the five boards for access.
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At this time, to salvage my nytida örnvägen lund project, I will attempt to use the uart mode. That attempt, of course, failed also, because of the missing level shifting transistor. However, it seems to me that the processing of all this takes a bit too much time. According to Table 4-7 on page 90 of the. This restored I2C operation to the breakout board.3V, although not reliable operation. This requirement probably exceeded the reasonable distance range of I2C bus. digitalWrite(RST,0 pinMode(RST, output / assert BNO RST delay(1 pinMode(RST, input_pullup / deassert BNO RST delay(800 / allow time for BNO to boot intln Setting BNO055 mode. Finally, it was decided to make the design wireless by using an Adafruit Feather M0 Basic Proto board as the controller of the BNO055 breakout, along with an nRF24L01 receiver/transmitter. Code: Select int i 0; float x 0; void setup gin(2400 /Initializes serial monitor gin(2400 /Initializes transfer serial. These auxiliary Arduinos could do some data reduction before sending data (via serial or I2C) to the principal Arduino. Prints out on serial monitor void loop for(i;i 3;i) if (Serial1.available x rseFloat int(x,4 int intln i0; The ultimate desire would be to save it and and be able to use it in calculations to direct the motors. I cannot say whether this was caused by a manufacturing defect, or because of a casualty of mounting the breakout board with 2-56 hardware in its current hardware configuration.
Arduino, uno, bNO055 bunny tutorial by merely. A single byte transfer time at 115200.