Wireless temperature measure system

The main components are atmega328p micro cpu, RFM12b radio modules and DS18S20 for temperature measurement.

Temperature sender unit

2014-08-08 13.48.01

Sender code – github

Senders can power up using USB power converters or pattery pack.
Display unit gets power from any USB.


Display unit owns LCD plug (MCP23008) between atmega328p and LDC.

2014-08-08 13.47.00 2014-08-08 13.46.51

2014-08-08 13.47.29

Now I thought it might by cool to collect all sensors data.

So I build network module who collects the same data that display module gets but sends it to my zabbix server.

Network module is built using ENC28J60

2014-08-08 14.07.28 2014-08-08 14.07.17

So now I can see cool graphs

Screen Shot 2014-08-08 at 14.11.39