The picture below show some of the most important systems:

1. Solar Panels
2. Fibreoptic Gyroscope (FOG)
3. Sun Sensors (SUS)
4. Startracker (STR)
5. Magnetometer (MGM)
6. Deploymechansim for Solar Panels
7. Reaction Wheels (RW)
8. Payload Onboard Computer (PLOC)
9. Onboard Computer (OBC)
10. Battery