2019-03-13 20:47:46 +00:00
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### CHPC: Cheap Heat Pump Controller v1.0
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2019-03-13 20:47:10 +00:00
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2019-03-19 09:55:51 +00:00
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```diff
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- NOW: purchasing components and PCBs, development will be resumed after arrival at ~April-May 2019 !
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```
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2019-03-13 21:01:21 +00:00
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## Development
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2019-03-13 20:47:10 +00:00
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State: active
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2019-03-13 20:47:46 +00:00
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Discussion: https://www.forumhouse.ru/threads/469103/
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2019-03-13 20:47:10 +00:00
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2019-03-13 21:01:21 +00:00
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## PCB Design
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2019-03-13 20:47:10 +00:00
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2019-03-13 20:51:07 +00:00
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There are 2 PCB designs: type "F" and type "G".
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2019-03-13 22:05:29 +00:00
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Both designs state: beta, untested.
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2019-03-13 20:47:10 +00:00
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2019-03-13 22:00:41 +00:00
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## Type "F" features:
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2019-03-13 21:38:26 +00:00
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- **mostly SMD** componens,
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2019-03-13 20:59:56 +00:00
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- **internal power** source,
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- **10** output channels,
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2019-03-13 20:47:10 +00:00
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- 4 input channels,
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2019-03-13 20:51:07 +00:00
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- 5 relays: 1 * 16A + 4 * 7A,
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2019-03-13 20:47:10 +00:00
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- buzzer,
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- EEV support,
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2019-03-13 20:59:56 +00:00
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- 16 bit **i2c ADC: on board**,
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2019-03-13 20:51:07 +00:00
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- i2c devices: allowed,
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2019-03-13 23:44:31 +00:00
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- T sensors: ds18b20 on one lane.
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2019-03-13 20:47:10 +00:00
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2019-03-13 22:00:41 +00:00
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## Type "G" features:
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2019-03-13 20:59:56 +00:00
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- **no SMD** components,
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2019-03-17 16:03:51 +00:00
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- **external or board-placed** power source,
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2019-03-13 22:08:44 +00:00
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- **5** output channels,
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2019-03-13 20:47:10 +00:00
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- 4 input channels,
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2019-03-13 20:51:07 +00:00
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- 5 relays: 2 * 16A + 3 * 7A,
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2019-03-13 20:47:10 +00:00
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- buzzer,
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- EEV support,
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2019-03-13 20:59:56 +00:00
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- 16 bit **i2c ADC: off board**,
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2019-03-13 20:51:07 +00:00
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- i2c devices: allowed,
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2019-03-13 23:44:31 +00:00
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- T sensors: ds18b20 on one lane.
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2019-03-13 09:13:37 +00:00
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2019-03-13 21:03:45 +00:00
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# Type "F" PCB
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2019-03-13 20:57:53 +00:00
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2019-03-13 21:33:57 +00:00
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# Type "G" PCB
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2019-03-19 16:10:40 +00:00
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....
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....
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Drafts below.
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Sensors abbreviations:
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2019-03-19 16:12:31 +00:00
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Abbr. | Full name
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2019-03-19 16:14:01 +00:00
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----- | --------------------
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2019-03-19 16:12:31 +00:00
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Tae | after evaporator
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Tbe | before evaporator
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Tsump | sump
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2019-03-19 16:14:01 +00:00
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Tci | cold in
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Tco | cold out
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Thi | hot in
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Tho | hot out
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Tbc | before condenser
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Tac | after condenser
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Touter | outer
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Ttarget | target
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Ts1 | sens_1
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Ts2 | sens
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2019-03-19 16:12:31 +00:00
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2019-03-19 16:10:40 +00:00
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