Quantity | Component name | |
1 | × | Arduino clone per node Any Atmega328-based board will do, specially the $2 Pro Mini clones |
1 | × | nRF24L01+ module per node The popular nRF24L01+ modules |
1 | × | Battery or a 5V adapter PCBs from cheap USB wall chargers work well for powering a node |
5 | × | Relays for light control Use any number of sensors and actuators you need |
1 | × | A small linux board to be the server Use a $17 TP-Link router or a Raspberry PI or anything that runs python |