Are you sure there's a physical connection between B9 and CH_PD then? Maybe check with a volt meter. It could just be a bad joint somewhere.
@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.
Are you sure there's a physical connection between B9 and CH_PD then? Maybe check with a volt meter. It could just be a bad joint somewhere.