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This is signal system for pantry. It will control climate of pantry to smart house.

It will uses autonomous power system

  1. car battery on 12v
  2. temporary Li-Ion battary on 12v for charging primary battery
  3. internal battery (6V..15V) which will used in case of primary and reserve 12V battery discharged. Used to send power alarm to smart house
  4. Auto battary hot switch
  5. Control over-discharge of all batteries
  6. Provide information of current voltage to controller
  7. Small current consumption. I plan to charge main battary once per ~6 month.

It will collect and send next information (incl alarms):

  1. Inside flooding alarm
  2. Outside flooding alarm
  3. Inside humidity level
  4. Inside temperature
  5. Inside light level
  6. Open door alarm
  7. Current voltage of all batteries
  8. Current battery in use
  9. Both 12V batteries discharged alarm

It will automatically switch on air-drier basing on humidity level

It will have air fan system

  1. Manual swotch on
  2. Manual swotch off
  3. Auto switch off after ~20 minutes

It will send all collected information to smart house system using LoRa channel

Project status

Hardware Status
Supply module OK
Supply module :: Supply controller OK
Logic module :: Flooding sensors OK
Logic module :: Light sensor OK
Logic module :: display OK
Logic module :: humidity and temperature OK
Logic module :: air dryer OK
Logic module :: LoRa transmitter OK
Logic module :: Open door alarm OK
Logic module :: Wakeup button OK
Air fan module OK
LoRa receiver and smart house integration OK
Firmware Status
Supply controller OK
Logic controller :: flooding sensors OK
Logic controller :: light sensor OK
Logic controller :: display OK
Logic controller :: humidity and temperature OK
Logic controller :: air dryer OK
Logic controller :: LoRa transmitter OK
Logic controller :: Open door alarm OK
Logic controller :: Wakeup button and deep sleep mode OK
Logic controller :: Integration with supply controller OK
LoRa receiver and smart house integration OK
Board Status
Supply board OK
logic module board OK
fan board OK
LoRa Receiver OK
3D models Status
Supply board box OK
Logic model box OK
Air dryer OK
Fan box OK
Fan air intake OK
LoRa receiver box no