How to send mail where dth11 temperatur critical

I think there may be a bit of confusion here!

DTH11 is a temperature and humidity sensor, not a mail sending device. It's a popular sensor used in various projects, such as home automation, IoT, and environmental monitoring.

If you're looking to send a mail (as in, a physical letter or package) when the temperature reaches a critical level, you'll need to use a different approach. Here are a few options:

  1. Temperature-controlled relay: You can use a temperature-controlled relay module, such as the DS18B20 or the TMP36, which can trigger a relay when the temperature reaches a certain threshold. This relay can then be used to control a mail sending device, such as a robotic arm or a mail sorting machine.
  2. Microcontroller and mail sending module: You can use a microcontroller like Arduino or Raspberry Pi to read the temperature data from the DTH11 sensor and trigger a mail sending module when the temperature reaches a critical level. There are various mail sending modules available, such as the Mailjet or the PostNL API, which can be integrated with your microcontroller.
  3. Cloud-based solution: You can use a cloud-based service like IFTTT (If This Then That) or Zapier to connect your DTH11 sensor to a mail sending service. When the temperature reaches a critical level, the sensor data can trigger a cloud-based action that sends a mail.

Here's a simple example of how you could use IFTTT to send a mail when the temperature reaches a critical level:

  1. Connect your DTH11 sensor to a microcontroller or a Raspberry Pi.
  2. Use the microcontroller or Raspberry Pi to read the temperature data from the DTH11 sensor and send it to IFTTT.
  3. Create an IFTTT applet that triggers a mail sending action when the temperature reaches a critical level (e.g., 25°C).
  4. Configure the mail sending action to use a mail service like Gmail or Outlook.

Remember to check the specific requirements and limitations of each solution before implementing it.