Microduino Read magnetic field intensity(Microduino 10dof)

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Objective

This tutorial will teath you to use the Microduino-10DOF's HMC5883L sensor to calculate the magnetic field strength and direction, the result will be displayed in OLED.

Equipment

Schematic

MicroduinoMPU6050计算角度原理图.jpg
  • Microduino-OLED
  • Microduino-Core
  • Microduino-10DOF
  • Microduino-FT232R
  • Microduino-Cube-S1

Program

Refer to HMC5883L10DOFOLED

Debug

Step 1: Stack all the upper Micrduino module, as follows:

Microduino磁场强度(10dof).jpg

Step 2: Compile the program and download it.

Step 3: Observe the OLED, use a magnet close to the sensor,the pointer will change on OLED.

Result

OLED will display a compass.

Video