Home automation barebones

Geekboy started a new home automation project series. He noticed that simple automatic tasks would make life easier. It could turn lamps on and off depending on daytime and human activity, do some other tasks that can be added with extend modules. Instead of making single module he started building wireless mesh network of them. NRF24L01 seemed a great choice due to low price and great functionality.

The module is based on AVR microcontroller (Arduino) placed on a custom milled PCB. It has available I/O’s for sensors like LDR. Devices are controlled using mechanical relay. Automation is already working, but there is much work left in optimizing code to make it work stable, replace PC with Raspberry Pi server for logging and access.

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