Troubleshooting
Cybugs...
Most problems associated with any electronic kits involve missed instructions
or poor quality solder joints or missed instructions, and care must be taken to
ensure that the robots are assembled as accurately as possible.
Using a voltmeter set to measure low dc voltages, compare your cybugs
voltages at the three major IC's under the stated conditions..
Troubleshooting Cybug Scarab
Troubleshooting SolarFly
 |
Make sure the jumper immediately behind IC3 is in place as
shown above. This may be replaced with a on-off switch if you wish. |
| Check
that you have placed the jumpers in locations J1 and J2 and soldered
them! |
| Make
the following measurments on IC1 and IC2 with the CdS photocells
completely covered and the potentiometer fully clockwise... ( with respect
to black battery clip wire ground ) |
| Pin
1 |
0.00V |
 |
>4.8V |
Pin
8 |
| Pin
2 |
1.7
to 3V varying ( this is the timing capacitor charging) |
<0.1V
( jumping over 1V when pulsing ) |
Pin
7 |
| Pin
3 |
0 |
1.7
to 3V varying ( this is the timing capacitor charging) |
Pin
6 |
| Pin
4 |
>4.8V |
3.3V |
Pin
5 |
| Make
the following measurements with respect to black-wire ground on IC3. Keep
both potentiometers completely clockwise. Keep feeler wires in
middle of sensor loop so the Scarab does not detect bumping an obstacle. |
| Pin
1 |
0V |
 |
>4.5V |
Pin
16 |
| Pin
2 |
4.2V |
4.2V |
Pin
15 |
| Pin
3 |
0.0V
with quick surge when motor spins |
0.0V
with quick surge when motor spins |
Pin
14 |
| Pin
4 |
0.0V |
0.0V |
Pin
13 |
| Pin
5 |
0.0V |
0.0V |
Pin
12 |
| Pin
6 |
0.0V
with quick surge when motor spins |
0.0V
with quick surge when motor spins |
Pin
11 |
| Pin
7 |
0.0V |
0.0V |
Pin
10 |
| Pin
8 |
>7.5V |
0.0V |
Pin
9 |
Make the following measurements on IC3 again, this time with both
feelers touching the sensor loops and potentiometers fully clockwise.
| Pin
1 |
0V |
|
>4.5V |
Pin
16 |
| Pin
2 |
0.0V |
0.0V |
Pin
15 |
| Pin
3 |
0.0V
with quick surge when motor spins |
0.0V
with quick surge when motor spins |
Pin
14 |
| Pin
4 |
0.0V |
0.0V |
Pin
13 |
| Pin
5 |
0.0V |
0.0V |
Pin
12 |
| Pin
6 |
0.0V
with quick surge when motor spins |
0.0V
with quick surge when motor spins |
Pin
11 |
| Pin
7 |
4.2V |
4.2V |
Pin
10 |
| Pin
8 |
>7.5V |
0.0V |
Pin
9 |
If your voltages vary significantly from those stated above, contact us at
support@jcminventures.com and let us know what they are... we may be able to help you diagnose your
problem!
| 
