Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
Reasonably cheap and pretty reliable wireless module. Works well in the building when a distance is within 10m and there are not too many thick walls between the nodes. Supports retransmission and data integrity control, makes the programming very straightforward. Excellent Arduino library is available.
None noted so far.
For those needing to cover longer distances there are versions of this transceiver with the external antenna available on DX. Noticeably more expensive of course.
The best wireless module for the tasks of home automation that I know of.
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