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Weather station

A weather station connected to a smart home

carl0CarL0
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I'm creating a weather station 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.

pcb.jpg

The final PCBs

JPEG Image - 4.00 MB - 03/03/2021 at 20:24

Preview

mainboard.png

Motherboard for ATMEGA328

Portable Network Graphics (PNG) - 56.95 kB - 03/03/2021 at 20:21

Preview

dif.PNG

Differential amplifiers for sensors' signals

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

Preview

  • 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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