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livebox:hah_hahnode:airwick [2012/05/27 22:57] – [Airwick Room Node] minerva9 | livebox:hah_hahnode:airwick [2014/02/22 16:53] (current) – [Assembly instructions for the Airwick] minerva9 | ||
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{{6929394483_150611e518_q.jpg }} | {{6929394483_150611e518_q.jpg }} | ||
- | The Airwick iMotion Freshmatic Compact makes an ideal housing for a [[/ | + | The Airwick iMotion Freshmatic Compact makes an ideal housing for a [[/ |
Each Airwick roomNode adds one temperature sensor (via a DS18B20), movement detection via the inbuilt Airwick PIR, light level detection via an LDR and a low battery warning (the batteries last for a long time). Totally wireless in operation, so just place the roomNode where you need to take the readings. | Each Airwick roomNode adds one temperature sensor (via a DS18B20), movement detection via the inbuilt Airwick PIR, light level detection via an LDR and a low battery warning (the batteries last for a long time). Totally wireless in operation, so just place the roomNode where you need to take the readings. | ||
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{{: | {{: | ||
- | Note: the difference between v1.2 of the PCB and v1.3 is that the later has a ground plane to help with RF signal strength. Also note that the orientation of the electrolytic capacitor is also changed on the v1.3 board.\\ | + | Note: the difference between v1.2 of the PCB and v1.3 is that the latter |
//v1.2 was produced in small quantities to verify the design.// | //v1.2 was produced in small quantities to verify the design.// | ||
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</ | </ | ||
- | || Buy an Airwick. | + | || Buy an Airwick. |
- | || The enclosure is disassembled by removing the four silver screws (some models use standard crosspoint screws - others use triangular slotted ' | + | || The enclosure is disassembled by removing the four silver screws (some models use standard crosspoint screws - others use 1.8mm triangular slotted ' |
|| The Airwick PCB is attached to the enclosure by two crosspoint screws. Undo these to release the PCB. Don't lose them as they are needed later on to reattach the PCB. || {{6783270542_8210632c0d_b.jpg? | || The Airwick PCB is attached to the enclosure by two crosspoint screws. Undo these to release the PCB. Don't lose them as they are needed later on to reattach the PCB. || {{6783270542_8210632c0d_b.jpg? | ||
|| The Airwick PCB has three connectors. These are coloured black, white and red. Unplug all three connectors and remove the little solenoid that is wired to the white connector. Remove the switch that is wired to the black connector. | || The Airwick PCB has three connectors. These are coloured black, white and red. Unplug all three connectors and remove the little solenoid that is wired to the white connector. Remove the switch that is wired to the black connector. | ||
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|| We cut away the plastic part that used to hold the canister. This allows better access to the HAHnode PCB.\\ Initially I left too much tube, the arrow shows where to cut, I used a hacksaw, just above the tongues. || {{6783272238_1202d4a576_b.jpg? | || We cut away the plastic part that used to hold the canister. This allows better access to the HAHnode PCB.\\ Initially I left too much tube, the arrow shows where to cut, I used a hacksaw, just above the tongues. || {{6783272238_1202d4a576_b.jpg? | ||
|| Wire up the LDR sensor. Obviously, polarity of the connection is unimportant. Don't forget to fit the little white grommet - this makes for a nicer finish when the LDR is mounted in the Airwick case. || {{http:// | || Wire up the LDR sensor. Obviously, polarity of the connection is unimportant. Don't forget to fit the little white grommet - this makes for a nicer finish when the LDR is mounted in the Airwick case. || {{http:// | ||
- | || Wire up the DS18B20 Temp sensor. The insulation tube that is supplied is heatshrink. A quick blast from your heatshrink gun (or a paint stripper gun) will do the job. || {{6783273502_f2bfcdaa68_b.jpg? | + | || Wire up the DS18B20 Temp sensor. Image shows the flat face of the part facing the camera. The insulation tube that is supplied is heatshrink. A quick blast from your heatshrink gun (or a paint stripper gun) will do the job. || {{6783273502_f2bfcdaa68_b.jpg? |
|| Attach sensors || {{6929391161_584aa1d219_b.jpg? | || Attach sensors || {{6929391161_584aa1d219_b.jpg? | ||
|| Fit components into the case.\\ Note the RED mating battery connector now mounted on the RoomNode PCB. || {{6783274192_27a946aa67_b.jpg? | || Fit components into the case.\\ Note the RED mating battery connector now mounted on the RoomNode PCB. || {{6783274192_27a946aa67_b.jpg? |