Sketch:  RawSamplesTool_6chan.ino

First results for my new 3-phase PCB.  All three transformers are connected to
a single phase supply.  The sensitivity of the voltage sensors have been 
boosted by altering the reduction ratio after the transformer.

The sensitivity of the current sensors have been doubly reduced w.r.t. the 
normal situation because:

a) the processor is running 5 V rather than 3.3 V;
b) I've reduced the burden value from 150 R to 120 R.

1st run: No signal at any current sensor
2nd run: 2 kW at the current sensor for L2

According to these results, there is ZERO cross-talk into the current sensors for
L1 and L3.  With all three voltage sources being in sync, that's quite a result :)

RAE, 22/7/14

*  *  *

>>free RAM = 735
millis() now = 3000
recordingMayStartAt 8000
4
3
2
1
0
No of cycles recorded = 1
cycleCount 252,  samplesRecorded 28
|                                      50 2 4                                   |
|                                      5.      0 2 4                            |
|                                      5.            0 2 4                      |
|                                      5.                  02 4                 |
|                                      5.                       0 24            |
|                                      5.                            2 4        |
|                                      5.                               24      |
|                                      5.                                4      |
|                                      5.                                4      |
|                                      5.                            4 2 0      |
|                                      5.                      4 2 0            |
|                                      5.               4 2 0                   |
|                                      5.       4 2  0                          |
|                                      5.4 2 0                                  |
|                                 4 2 05.                                       |
|                          4  2 0      5.                                       |
|                     4 20             5.                                       |
|                42 0                  5.                                       |
|          4 2 0                       5.                                       |
|       420                            5.                                       |
|     42                               5.                                       |
|     4                                5.                                       |
|     4                                5.                                       |
|     0 2 4                            5.                                       |
|           0  2 4                     5.                                       |
|                  0 2  4              5.                                       |
|                          0 2 4       5.                                       |
|                                 0 2  5.                                       |
min_V1 84,  max_V1 940,  min_I1 511,  max_I1 511
min_V2 84,  max_V2 939,  min_I2 511,  max_I2 511
min_V3 85,  max_V3 938,  min_I3 511,  max_I3 511


Raw data from stored cycle: <Vsample>,<Isample>[cr]
28, <<< No of sample pairs
519,511
604,511
685,511
757,511
822,511
883,511
925,511
937,511
940,511
936,511
863,511
776,511
680,511
587,511
490,511
410,511
330,511
258,511
193,511
135,511
96,511
86,511
84,511
88,511
166,511
251,511
346,511
439,511
millis() now = 46460
recordingMayStartAt 51460
4
3
2
1
0
No of cycles recorded = 1
cycleCount 552,  samplesRecorded 28
|                                      50 3 4                                   |
|                                      5.   3  0 2 4                            |
|                                      5.     3      0 24                       |
|                                      5.       3          024                  |
|                                      5.        3             0 2 4            |
|                                      5.         3                 024         |
|                                      5.         3                    04       |
|                                      5.         3                     4       |
|                                      5.        3                      4       |
|                                      5.       3                   4 2 0       |
|                                      5.     3               4 2 0             |
|                                      5.   3          4 2 0                    |
|                                      5. 3     4 2 0                           |
|                                      54  2 0                                  |
|                                 4 2305.                                       |
|                           42 0   3   5.                                       |
|                     4 20       3     5.                                       |
|                4 20          3       5.                                       |
|           42 0              3        5.                                       |
|        420                 3         5.                                       |
|      40                    3         5.                                       |
|      4                     3         5.                                       |
|      4                      3        5.                                       |
|      0 2 4                   3       5.                                       |
|            0 2  4              3     5.                                       |
|                   0 2 4          3   5.                                       |
|                          0 2 4     3 5.                                       |
|                                 0 2  53                                       |
min_V1 94,  max_V1 929,  min_I1 511,  max_I1 511
min_V2 95,  max_V2 928,  min_I2 376,  max_I2 647
min_V3 95,  max_V3 928,  min_I3 511,  max_I3 511


Raw data from stored cycle: <Vsample>,<Isample>[cr]
28, <<< No of sample pairs
518,511
604,511
683,511
755,511
818,511
875,511
916,511
926,511
929,511
923,511
851,511
766,511
675,511
584,511
490,511
408,511
330,511
262,511
197,511
144,511
106,511
96,511
94,511
101,511
177,511
261,511
353,511
441,511