What is your physical distance to the router? Is it possible the antenna on the board is damaged?
Try restarting your router.
Have you tried the arduino software recently? Perhaps the hardware is damaged?
@Wilberforce started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
What is your physical distance to the router? Is it possible the antenna on the board is damaged?
Try restarting your router.
Have you tried the arduino software recently? Perhaps the hardware is damaged?