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Smart Ventilation - ValloPlus 350 SC L

About

This project extends the ValloPlus 350 ventilation system with a microcontroller in order to provide a smart remote control interface. It provides a HTTP based interface to control the fan-speed and to toggle the Bypass mode. The interface can be easily embedded in a smart home control setup like Home Assistant.

Hardware Listing

  • ESP32 Development Board WiFi+Bluetooth Ultra-Low Power Consumption Dual Cores ESP-32 ESP-32S Board link
  • PWM to Voltage Converter Module 0%-100% to 0-10V for PLC MCU Digital to Analog Signal PWM Adjustabl Converter Power Module link
  • AZDelivery 220V to 3,3V Mini Power Supply link
  • AZDelivery Relais 5V KY-019 Modul link
  • AZDelivery 220V to 12V Mini Power Supply link

Build

mos build --platform esp32 --local

Flash ESP32

mos flash

API

Get State

curl -X POST -d '{}' http://IP_ADDR/rpc/Ventl.GetState
{
  power: 'on',
  step: 2,
  bypass: 'off',
}

Set Step

Step range 0-8. 0 turns power into off

curl -d '{ "step": 1 }' http://IP_ADDR/rpc/Ventl.Set

Toggle Bypass

curl -d '{}' http://IP_ADDR/rpc/Bypass.Toggle

OTA Update

curl -v -F file=@build/fw.zip http://IP_ADDR/update