[Sven337]’s rebuild of a cheap and terrible baby monitor isn’t super visual ... how-to for streaming audio via UDP over WiFi with a pair of ESP8266 units, and includes a frank sharing ...

[Don] wanted to bring his alarm system into the modern age ... Once the Arduino detects a signal, it uses an ESP8266 WiFi module to send an email. The address [Don] used is the email-to-SMS ...

Using just a WiFi module and a CNC mill ... In essence, the system is akin to WiFi radar, using a battery-powered ESP8266 chip to ping a device and measure the signal. If you attach an LED ...