Description
3-Axis Compass module, a member of twig family uses I²C based Honeywell HMC5883L digital compass. This ASIC is equipped with high resolution HMC118X magneto-resistive sensors and a 12-bit ADC. It provides compass heading accuracy up to 1° to 2°. Signal conditioning like amplification, automatic degaussing strap drivers and offset cancellation are inbuilt. This twig module also includes a MIC5205-3.3 for power supply requirement. Hence user can connect any 3.3V to 6V DC power supply.
Schematic
Board
Bill of Materials
Designator | Value | Description |
---|---|---|
C1 | 10uF | |
C2 | 4.7uF | |
C3 | 0.22uF | CAPACITOR, American symbol |
C4 | 10uF | |
C5 | 100nF | |
INT | ||
J2 | TWIG_2.0DD'DD' | |
Q1 | BSN20 | |
Q2 | BSN20 | |
R1 | 4.7k | |
R2 | 4.7k | |
R3 | 4.7k | |
R4 | 4.7k | |
TWIG2 | TWIG-U1 | |
U$1 | TWIGLOGOTWIGLOGO_SMALL | |
U1 | ||
U2 | MIC5205_2.5 |
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This project is published under the terms of the Creative Commons Attribution-ShareAlike 3.0 Unported licence.