| ??? 06/24/06 22:29 Read: times |
#119031 - Traced circuit to the PIC on the board Responding to: ???'s previous message |
Kai,
Thanks for answering my post about the digital pot. I checked with an ohm meter and the 2k Mechanical pot is connected to Pin 1, Pin 3 (center tap of the 2k pot), Pin 8 of a PIC16F870. I looked at the data sheet for the PIC and it must be the inputs to the A/D converter. I have never done any work with PIC's and just starting with 8052 to try and control this water heater. Got any suggestions as to where I can get a Digital Pot this small? I will email Maxim and any other digital pot manufacturers also. Thanks Mike Ruoppoli |
| Topic | Author | Date |
| Looking for 2k ohm digital pot | 01/01/70 00:00 | |
| Take care... | 01/01/70 00:00 | |
| Checking the voltage during operation | 01/01/70 00:00 | |
| Traced circuit to the PIC on the board | 01/01/70 00:00 | |
| hmmm | 01/01/70 00:00 | |
| I would be very careful | 01/01/70 00:00 | |
| ? | 01/01/70 00:00 | |
| This is how the Mechnical Pot works | 01/01/70 00:00 | |
| Am I missing something ? | 01/01/70 00:00 | |
| What would be the fun.. | 01/01/70 00:00 | |
| The fun would be to avoid a barbecue | 01/01/70 00:00 | |
| fun vs safety | 01/01/70 00:00 | |
| Exactly!! | 01/01/70 00:00 | |
| Already installed on the unit | 01/01/70 00:00 | |
| thankless water heaters | 01/01/70 00:00 | |
| Oh yes there is... | 01/01/70 00:00 | |
| no way feasible, not no way in the world | 01/01/70 00:00 | |
| Valve in the outlet | 01/01/70 00:00 | |
| There is always the controled facsets | 01/01/70 00:00 | |
| how fast are they? | 01/01/70 00:00 | |
| Flush fast | 01/01/70 00:00 | |
| The unit has no flow control or sensor | 01/01/70 00:00 | |
that will depend on the plumbing | 01/01/70 00:00 | |
| Showers | 01/01/70 00:00 |