Checking with a volt meter would be the best place to start as @Robin says.
Also, are you able to post higher resolution (non-blurry) pictures of both sides of the board? We might be able to see something that looks wrong.
@Gordon 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.
Checking with a volt meter would be the best place to start as @Robin says.
Also, are you able to post higher resolution (non-blurry) pictures of both sides of the board? We might be able to see something that looks wrong.