Figure shows five batteries which different of charge.
Device must have a power source
| Requirement | Specification | |
4 | Device must be powered to function. | The power should be enough to power all other design components.Powered to run 10 test strips per day. |
| Justification | There will be powered components such as microcontrollers, sensors and motor. | Powered components will not need too much voltage. |
Verification:
- Run the device for 10 times.
- Use multimeter to test milliAmps/hr