Alexa doorbell and routinen Trigger - ESP8266 with button and battery. Arduino sketch
DIY project - homemade battery-powered Amazon Echo Button. ESP8266, button and 2 AAA batteries: this is also the whole circuit. The cost of the components is less than 10 €. The circuit is mega simple and is also suitable for any beginner. In connection with a "Webhook Routine Trigger" Skill this circuit can be used as an Amazon Alexa doorbell. Or even as a trigger or starter for any other skill.
In this project ESP8266 works as a client.
With this skill you can create triggers for your Alexa routines and can activate these triggers by calling a URL Webhook Routine Trigger Skill.
Homepage of the project in german ESP8266 Alexa Doorbell / Echo Button.