Merci gastonlag , oui j’ai deja essayé :
[/code] jeedom@jeedom:~ $ sudo npm install serialport
[sudo] Mot de passe de jeedom :
npm WARN npm npm does not support Node.js v10.24.0
npm WARN npm You should probably upgrade to a newer version of node as we
npm WARN npm can't make any promises that npm will work with this version.
npm WARN npm Supported releases of Node.js are the latest release of 4, 6, 7, 8, 9.
npm WARN npm You can find the latest version at https://nodejs.org/
> @serialport/bindings-cpp@10.8.0 install /home/jeedom/node_modules/@serialport/bindings-cpp
> node-gyp-build
npm WARN saveError ENOENT: no such file or directory, open '/home/jeedom/package.json'
npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN enoent ENOENT: no such file or directory, open '/home/jeedom/package.json'
npm WARN jeedom No description
npm WARN jeedom No repository field.
npm WARN jeedom No README data
npm WARN jeedom No license field.
+ serialport@10.5.0
added 19 packages from 101 contributors in 16.663s [/code]
et pourtant toujours la meme erreur : Error: Cannot find module ‹ serialport › en relançant le demon , « npm WARN npm npm does not support Node.js v10.24. »