I suppose it's possible that the wireless (ESP8266?) is causing quite a lot of noise on the power supply lines, and that could be upsetting your receiver?
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.
I suppose it's possible that the wireless (ESP8266?) is causing quite a lot of noise on the power supply lines, and that could be upsetting your receiver?