An ESP8266-based WiFi doorbell sends SMS messages

  On-line shopping has changed the way goods are acquired.  For most packages it is not necessary to be around for the dropoff.  But… for the important stuff it is.  Those packages always seem to show up right when you are in the backyard for mere seconds causing that frustrating “Personal Signature Required for Delivery” note on the […]

The post An ESP8266-based WiFi doorbell sends SMS messages appeared first on Open Electronics. The author is Emanuele Signoretta



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