| 1. |
Find the right sensor bar height. This is crucial. In the
past, groups did poorly and the only problem was due to the sensor
height.
|
| 2. |
Make sure all connections are solid. Be sure you're not pinching the
wire insulation. |
| 3. |
Think about how many speeds you need for speed control. Do you need
4-bit resolution? |
| 4. |
Use the oscilloscope to debug your circuits. Make sure you are
getting the logic levels that you expected |
| 5. |
Always have a circuit diagram. It helps us (TAs) understand
and debug your circuit in a shorter amount of time. Also, it's
better to eliminate most, if not all, wire loops on your protoboard.
It's easy for the TAs to understand & check your circuit.
|
| 6. |
Measure V1 and V2 on your protoboard, if your circuit suddenly doesn't
work |
| 7. |
If you're using the PWM, you may need to slow down the oscillator by
replacing the capacitor on the PWM module |
| 8. |
If you're using sequential logic, beware that the circuit can become
unstable and unpredictable |
| 9. |
Think about if you should use the modified NAND/NOR gates (Experiment
#6) |
| 10. |
Figure out which current amplifier setup you will use to drive the motors,
either Circuit A (motor at emitter of CA), Circuit B (motor at collector
of CA), or CAB module.
|