Worth adding that WiFi uses the same aerial so will interfere with BLE reception when active. Using a Pi 3 or 4 allows you to use ethernet which means WiFi won't be causing you issues.
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.
Worth adding that WiFi uses the same aerial so will interfere with BLE reception when active. Using a Pi 3 or 4 allows you to use ethernet which means WiFi won't be causing you issues.