Which type of board are you using the sensors with?
Also, could you try one closer in case it is something related to the distance?
@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.
Which type of board are you using the sensors with?
Also, could you try one closer in case it is something related to the distance?