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Yes of course but check the maximum voltage and current depending of the relay you use
Yes depending on the relay you use, it will inverse the position, you could try to inverse the position directly in the code or by using an inverter
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Yes I think it's possible by adding a button on an input of the ESP and modify the code
yes of course if you add a manual switch in parallel with the transistor or directly in parallel with the relay (you will be able to turn on/off without powering on the esp )
Yes of course but the number of the pin may not be the same as the version 1
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HelloHave you tried this tutorial to configure the esp? https://learn.adafruit.com/adafruit-huzzah-esp8266-breakout/using-arduino-ideBy following it you will be able to see the ip of your esp given by your internet box.
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The esp8266 is connected to your wifi and you can have access to it by entering it ip on a web browser. You don't have to connect your phone to the esp just connect the esp to your router, connect your phone to your router and enter the IP address of the esp on your phone and you will see a web page with the buttons.
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Thank you I didn't try this.I had the solution by making a power supply from a microwave transformer. I changed the secondary winding to get 12v, add a bridge rectifier and a capacitor. Those transformers are very powerful and I had no problem. The drill start even when blocking the chuck.
Is it because the ip of the esp change every time it's connecting to the wifi?If yes, the problem comes maybe from your router and not the module. But I have no idea how to solve this problem.Try others sketches from the web to see if you have the same problem.
No the i/o pin of the esp8266 can't read and send sound from a microphone. But you can use a microphone to detect sound and send an alert to your phone.
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