Also: Elements of Open Source Ecology include Elements of Open Source Hardware plus Open Organizations and Distributive Enterprise.

Components

Electronics
- Power Electronics
- Microcontrollers
- Wiring
Structure
Mechanics
Hydraulics
Pneumatics
Precision Structure - a specific form of structure with high precision, as in precision manufacturing
Materials - open source knowhow for materials production
- Metallurgy
- Plastics
- Ceramics
- Semiconductors
- Nanomaterials
- Magnetics
- Piezoelectrics
- Photovoltaics
Sensors - specific type of electronics or mechanics for feedback systems
Software
Firmware
Optics - light transmission systems
Magnetics

Elements of Open Source Hardware