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wireless [2011/02/27 21:13] jap |
wireless [2014/12/19 23:07] jap |
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===== Home automation ===== | ===== Home automation ===== | ||
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+ | **NB: This project is outdated. Please take a look at replacement [[http://ala-paavola.fi/Node-RED]] ** | ||
==== Wireless temperature sensors ==== | ==== Wireless temperature sensors ==== | ||
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Release note: \\ | Release note: \\ | ||
Implemented features: RF receive, USB serial reporting, Ethernet support, local clock with NTP sync, min/max counting, http server.\\ | Implemented features: RF receive, USB serial reporting, Ethernet support, local clock with NTP sync, min/max counting, http server.\\ | ||
- | Missing functions: Average computation, SD storage, fetching data from SD over the network. | + | Missing functions: RF message checksum evaluation, average computation, SD storage, fetching data from SD card over the network. |
Improvement ideas: each sensor transmits the signal 3 times consequently. One could implement an error correction algorithm trying to fix bit errors of weak transmission by comparing those three transmits. | Improvement ideas: each sensor transmits the signal 3 times consequently. One could implement an error correction algorithm trying to fix bit errors of weak transmission by comparing those three transmits. |