You just do what I said above surely? It doesn't matter if the ESP01S is clean, the IDE should be able to flash new ESP01 firmware via the Pixl.js
@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.
You just do what I said above surely? It doesn't matter if the ESP01S is clean, the IDE should be able to flash new ESP01 firmware via the Pixl.js