![]() ![]() Measuring Humidity For measuring the humidity I use a cheap hygrometer/thermometer modul However, in practice it is rather easy to regulate the humidity manually Another possibility is a comparator opamp and a resistive humidity sensor. Simple, get a DHT11 or DHT22, an Attiny85, a BC547, a 5 V relay and a USB humidifier and let the Attiny regulate the humidity get the TinyDHT lib from Adafruit. So you want this fully automated to? After you built this and are happy with it, you feel like it would be cool to also be able to regulate the humidity, rather than just monitor it, but you don't want to build the arduino version as you already have a good working thermostat. The fan can either be switched together, or always be onīasically your Incubator is now ready for use, but an egg tray/turner would be handy. Once you have set the desired parameters use the relay contact to switch your heat source (lamp). ![]() when it shows'-', it is high temperature protecting when it shows 'HH', the temperature is out of the measuring range, the relay will be shut down. ![]() When the display shows 'LL', the sensor is open. When is alarm activated display not showing temperature only –.
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