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Help Needed: GPS + MINI MWC Flight Control Board and DSM2 Receiver ACC/GYRO/BARO/MAG

Bongiorno

Junior Member
#1
Hello

I am having trouble getting the GPS to work with this board. Every time I try to connect from the multiwii configuration software it cannot read the com port. However it connects fine without the GPS plugged into the ic2 board. :confused:

The red light on the ic2 board is pulsing 3x, indicating a GPS lock. Any ideas?

My Setup:
- MINI MWC Flight Control Board and DSM2 Receiver ACC/GYRO/BARO/MAG
https://www.hobbyking.com/hobbyking...Receiver_ACC_GYRO_BARO_MAG_US_Warehouse_.html

Parameters changed from default:
#define AIRPLANE
#define I2C_SPEED 100000L
#define HK_MultiWii_SE_V2
GPS:
#define GPS_BAUD 115200
#define UBLOX
#define I2C_GPS

- IC2-GPS Nav Module
http://www.amazon.com/Hobbypower-I2c-gps-Module-Receiver-Multiwii/dp/B00H77BQ7U
Flashed using I2C_GPS_NAV-v2.1rc2 downloaded from google.
Parameters changed from default:
#define GPS_SERIAL_SPEED 115200
#define UBLOX

-Crius Neo-6 GPS
http://www.amazon.com/Hobbypower-I2c-gps-Module-Receiver-Multiwii/dp/B00H77BQ7U
Configured using txt file from ic2-gps download (u-blox-config.ublox.txt).


Thank you for any help!
-Frank
 

jhitesma

Some guy in the desert
Mentor
#2
Can you give more details on how you have all of the bits wired together and which version of MW you're using?

The I2C-GPS module isn't really supported anymore and the lead author behind it has pretty much said GPS on '328 based boards isn't going to be supported any longer as there just isn't enough room left in the '328 to handle GPS stuff. So finding help on this kind of setup is going to be tricky unless the vendor provides it...and well...HK...
 

Bongiorno

Junior Member
#3
ok I just had a eureka moment! Seems as if you need to have a power supply in order for the board not to freak out.... Even though the lights are flashing on the MWC,I2C and GPS.

This is a really cheap board for about $25 bucks so I don't have high hopes but thought it was worth a shot.

Thank you Jhitesma for the reply - I will probably run into the next issue and hit you up! :)

Cheers,
Frank
 

jhitesma

Some guy in the desert
Mentor
#4
Glad to hear you found the problem! And glad I didn't have to help more since I'm not familiar with that board and have only read up on the whole i2c GPS setup stuff and not actually tried it. I was considering going that route on the blunt nose versa I'm building for long range FPV...but now I'm thinking I'll just put my homemade arduino mega flight controller on there and I'll strip my knuckle quad down to just a MPU6050 and arduino pro mini and make it a bit lighter and more acrobatic since I have plans to build up a 250 sized mini for FPV. But who knows...I may change my mind again :D