heatpump_wifi_remote

Controlling a (Fujitsu) heatpump from OpenHAB.

In the next few days I will add all files involved to run the show.

Personal log for this little project together with http://github.com/marcass

Screenshots

Communication Design

Changing heatpump status:

• OpenHAB->[MQTT]->ESP8266->[SERIAL]->Nano->[IR]->Heatpump

Querying and reading temperature:

• OpenHAB->[MQTT]->ESP8266->[SERIAL]->Nano->DS18B20->Nano->[SERIAL]->ESP8266->[MQTT]->OpenHAB

#Hardware:

• Linux box (hardkernels odroid U3 w/ Debian Jessie) running OpenHAB and Mosquitto (MQTT)
• Arduino Nano v3 Clone from Aliexpress
• ESP8266 WiFi module from Aliexpress
• Infrared (IR) LED
• 2N2222 Transistor
• Resistors 4k7, 47, 470, 10k, 220, ...
• DS18B20 Temperature sensor
• Reed switch
• Jumpers

#Eagle schematic and layout

#Software/Firmware ##Nano

• library dependencies: ** Alex' heatpump IR ** OneWire

##ESP8266 ESP01

• Flash nodemcu how-to
• esptool https://github.com/themadinventor/esptool.git

sudo python esptool.py -p /dev/cu.usbserial-A600eI3j write_flash 0x00000 ~/Downloads/nodemcu_float_0.9.6-dev_20150406.bin

• Luatool https://github.com/4refr0nt/luatool.git

##OpenHAB

• Install openhab, install mosquitto, install rdd
• Add Sitemap
• Add Items
• Add Users
• Activate SSL