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… ...

Few devices have hit the hacker/maker word with quite as large a bang as the ESP8266. [Brian] first reported a new $5 WiFi module back in August. Since then there have been an explosion of awesome … ...

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.