When we first heard about it a few weeks ago, we knew the ESP8266 UART to WiFi module was a special beast. It was cheap, gave every microcontroller the ability to connect to a WiFi network, and cou… ...

Every so often we run across something in the Hackaday tip line that sends us scurrying to Google, trying to source a component, part, or assembly. The ESP8266 WiFi module is the latest, made inter… ...

After programming, you can plug your ESP module correctly on the ESP socket of the relay board. In the next step, you can operate the system using a 5-9V DC power source (12VDC maximum). Wi-Fi Relay & ...

But instead of just cracking open the device to upgrade it with a second screen, they took the hack several steps further, adding an ESP8266 wifi module and a rechargeable battery without ...

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.