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Weather system

A weather system connected to a smart home

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I'm creating a weather system asked by a friend: essentialy, all the signals of the sensors will be managed by a microcontroller (ATMEGA328) working as "slave" in the modbus protocol to communicate with a PLC that already runs the all house.

dif.PNG

Differential amplifiers for sensors' signals

Portable Network Graphics (PNG) - 40.25 kB - 02/21/2021 at 21:18

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motherboard.PNG

Motherboard for ATMEGA328

Portable Network Graphics (PNG) - 56.95 kB - 02/21/2021 at 21:11

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  • 6 × TL081 Amplifier and Linear ICs / Operational Amplifiers
  • 6 × TL082 Amplifier and Linear ICs / Operational Amplifiers
  • 18 × 1K ohms resistor
  • 1 × 10K ohms resistor
  • 6 × 100K ohms trimmer

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