hr25_thermostat
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
hr25_thermostat [2013/11/04 22:30] – add pictures and more description GoHoHa | hr25_thermostat [2013/11/06 20:11] – [Modification of Honeywell HR25 thermostat] typos corrected Inhumierer | ||
---|---|---|---|
Line 2: | Line 2: | ||
{{ : | {{ : | ||
- | The Honeywell Rondostat HR25 is an electronic | + | The Honeywell Rondostat HR25 is an electronically |
- | For integration into an smarthomatic network it needs a RFM12B transmitter and a new firmware. | + | For integration into a smarthomatic network it needs a RFM12B transmitter and a new firmware. |
- | To keep the programming scheme similar to other smarthomatic devices, | + | To keep the programming scheme similar to other smarthomatic devices, |
The housing is hacker friendly, it opens without the risk of breaking it. | The housing is hacker friendly, it opens without the risk of breaking it. | ||
- | The electronics is based on a ATmega329P processor. | + | The electronics is based on an ATmega329P processor. |
Initial idea is based on the development done for the HR20 thermostat, the OpenHR20 project. | Initial idea is based on the development done for the HR20 thermostat, the OpenHR20 project. | ||
Line 38: | Line 38: | ||
- | ===== Integrate the additional electronics into the housing | + | ==== Integrate the additional electronics into the housing ==== |
If a 2x3 PCB-pin connector is used for ISP, it is possible to hide it behind the turn wheel. This way it it easy accessible for reprogramming and there is little to no need to modify the housing or PCB((An other option would be to sacrifice the JTAG connector, cutting and wiring some connections.)). | If a 2x3 PCB-pin connector is used for ISP, it is possible to hide it behind the turn wheel. This way it it easy accessible for reprogramming and there is little to no need to modify the housing or PCB((An other option would be to sacrifice the JTAG connector, cutting and wiring some connections.)). |
hr25_thermostat.txt · Last modified: 2013/11/06 20:17 by Inhumierer