title: cannot find module 'serialport' using Node.js and Johnny-Five
body: <p>I tried using Johnny-five and node.js to run a script for, using Leap Motion Controls. now when i try to run the script it says: (Error: Cannot find module 'serialport') I tried npm install -g serial-port it goes through then give me lots of (err) codes in red . how can i fix this ?</p>
  
  <p>D:>node robotarm.js</p>
  
  <pre><code>module.js:338
      throw err;
            ^
  Error: Cannot find module 'serialport'
      at Function.Module._resolveFilename (module.js:336:15)
      at Function.Module._load (module.js:278:25)
      at Module.require (module.js:365:17)
      at require (module.js:384:17)
      at Board.Serial.detect (D:\node_modules\johnny-five\lib\board.js:70:7)
      at new Board (D:\node_modules\johnny-five\lib\board.js:303:23)
      at Object.&lt;anonymous&gt; (D:\robotarm.js:90:9)
      at Module._compile (module.js:460:26)
      at Object.Module._extensions..js (module.js:478:10)
      at Module.load (module.js:355:32)
  </code></pre>
  
  <h1>#</h1>
  
  <p>then i try</p>
  
  <h2>D:>npm install serialport</h2>
  
  <p>it gives</p>
  
  <blockquote>
    <p></p>
  </blockquote>
  
  <pre><code>npm WARN package.json github-url-from-git@1.1.1 No repository field.
  npm http GET https://registry.npmjs.org/serialport
  npm http 304 https://registry.npmjs.org/serialport
  npm http GET https://registry.npmjs.org/optimist
  npm http GET https://registry.npmjs.org/sf
  npm http GET https://registry.npmjs.org/nan
  npm http GET https://registry.npmjs.org/bindings
  npm http GET https://registry.npmjs.org/async
  npm http 304 https://registry.npmjs.org/optimist
  npm http 304 https://registry.npmjs.org/async
  npm http 304 https://registry.npmjs.org/bindings
  npm http 304 https://registry.npmjs.org/sf
  npm http 304 https://registry.npmjs.org/nan
  npm http GET https://registry.npmjs.org/wordwrap
  npm http GET https://registry.npmjs.org/minimist
  npm http 304 https://registry.npmjs.org/wordwrap
  npm http 304 https://registry.npmjs.org/minimist
  
  &gt; serialport@1.4.10 install D:\node_modules\serialport
  &gt; node-pre-gyp install --fallback-to-build
  
  node-pre-gyp http GET https://node-serialport.s3.amazonaws.com/serialport/v1.4.1
  0/Release/node-v14-win32-x64.tar.gz
  node-pre-gyp http 404 https://node-serialport.s3.amazonaws.com/serialport/v1.4.1
  0/Release/node-v14-win32-x64.tar.gz
  node-pre-gyp http Pre-built binary not available for your system (falling back t
  o source compile with node-gyp)
  child_process: customFds option is deprecated, use stdio instead.
  gyp ERR! configure error
  gyp ERR! stack Error: Can't find Python executable "python", you can set the PYT
  HON env variable.
  gyp ERR! stack     at failNoPython (D:\node_modules\node-gyp\lib\configure.js:10
  3:14)
  gyp ERR! stack     at D:\node_modules\node-gyp\lib\configure.js:64:11
  gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:99:15)
  gyp ERR! System Windows_NT 6.1.7601
  gyp ERR! command "C:\\Program Files (x86)\\nodejs\\node.exe" "D:\\node_modules\\
  node-gyp\\bin\\node-gyp.js" "rebuild" "--name=serialport" "--configuration=Relea
  se" "--module_name=serialport" "--version=1.4.10" "--major=1" "--minor=4" "--pat
  ch=10" "--runtime=node" "--node_abi=node-v14" "--platform=win32" "--target_platf
  orm=win32" "--arch=x64" "--target_arch=x64" "--module_main=./serialport" "--host
  =https://node-serialport.s3.amazonaws.com/" "--module_path=D:\\node_modules\\ser
  ialport\\build\\serialport\\v1.4.10\\Release\\node-v14-win32-x64" "--remote_path
  =./serialport/v1.4.10/Release/" "--package_name=node-v14-win32-x64.tar.gz" "--st
  aged_tarball=build\\stage\\serialport\\v1.4.10\\Release\\node-v14-win32-x64.tar.
  gz" "--hosted_path=https://node-serialport.s3.amazonaws.com/serialport/v1.4.10/R
  elease/" "--hosted_tarball=https://node-serialport.s3.amazonaws.com/serialport/v
  1.4.10/Release/node-v14-win32-x64.tar.gz"
  gyp ERR! cwd D:\node_modules\serialport
  gyp ERR! node -v v0.12.0
  gyp ERR! node-gyp -v v0.13.0
  gyp ERR! not ok
  node-pre-gyp ERR! build error
  node-pre-gyp ERR! stack Error: Failed to execute 'C:\Program Files (x86)\nodejs\
  node.exe rebuild --name=serialport --configuration=Release --module_name=serialp
  ort --version=1.4.10 --major=1 --minor=4 --patch=10 --runtime=node --node_abi=no
  de-v14 --platform=win32 --target_platform=win32 --arch=x64 --target_arch=x64 --m
  odule_main=./serialport --host=https://node-serialport.s3.amazonaws.com/ --modul
  e_path=D:\node_modules\serialport\build\serialport\v1.4.10\Release\node-v14-win3
  2-x64 --remote_path=./serialport/v1.4.10/Release/ --package_name=node-v14-win32-
  x64.tar.gz --staged_tarball=build\stage\serialport\v1.4.10\Release\node-v14-win3
  2-x64.tar.gz --hosted_path=https://node-serialport.s3.amazonaws.com/serialport/v
  1.4.10/Release/ --hosted_tarball=https://node-serialport.s3.amazonaws.com/serial
  port/v1.4.10/Release/node-v14-win32-x64.tar.gz' (1)
  node-pre-gyp ERR! stack     at ChildProcess.&lt;anonymous&gt; (D:\node_modules\serialp
  ort\node_modules\node-pre-gyp\lib\util\compile.js:76:29)
  node-pre-gyp ERR! stack     at ChildProcess.emit (events.js:110:17)
  node-pre-gyp ERR! stack     at maybeClose (child_process.js:1008:16)
  node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_proces
  s.js:1080:5)
  node-pre-gyp ERR! System Windows_NT 6.1.7601
  node-pre-gyp ERR! command "node" "D:\\node_modules\\serialport\\node_modules\\no
  de-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build"
  node-pre-gyp ERR! cwd D:\node_modules\serialport
  node-pre-gyp ERR! node -v v0.12.0
  node-pre-gyp ERR! node-pre-gyp -v v0.5.19
  node-pre-gyp ERR! not ok
  Failed to execute 'C:\Program Files (x86)\nodejs\node.exe rebuild --name=serialp
  ort --configuration=Release --module_name=serialport --version=1.4.10 --major=1
  --minor=4 --patch=10 --runtime=node --node_abi=node-v14 --platform=win32 --targe
  t_platform=win32 --arch=x64 --target_arch=x64 --module_main=./serialport --host=
  https://node-serialport.s3.amazonaws.com/ --module_path=D:\node_modules\serialpo
  rt\build\serialport\v1.4.10\Release\node-v14-win32-x64 --remote_path=./serialpor
  t/v1.4.10/Release/ --package_name=node-v14-win32-x64.tar.gz --staged_tarball=bui
  ld\stage\serialport\v1.4.10\Release\node-v14-win32-x64.tar.gz --hosted_path=http
  s://node-serialport.s3.amazonaws.com/serialport/v1.4.10/Release/ --hosted_tarbal
  l=https://node-serialport.s3.amazonaws.com/serialport/v1.4.10/Release/node-v14-w
  in32-x64.tar.gz' (1)
  npm ERR! serialport@1.4.10 install: `node-pre-gyp install --fallback-to-build`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the serialport@1.4.10 install script.
  npm ERR! This is most likely a problem with the serialport package,
  npm ERR! not with npm itself.
  npm ERR! Tell the author that this fails on your system:
  npm ERR!     node-pre-gyp install --fallback-to-build
  npm ERR! You can get their info via:
  npm ERR!     npm owner ls serialport
  npm ERR! There is likely additional logging output above.
  
  npm ERR! System Windows_NT 6.1.7601
  npm ERR! command "C:\\Program Files (x86)\\nodejs\\\\node.exe" "C:\\Program File
  s (x86)\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "serialport"
  npm ERR! cwd D:\
  npm ERR! node -v v0.12.0
  npm ERR! npm -v 1.4.9
  npm ERR! code ELIFECYCLE
  npm ERR!
  npm ERR! Additional logging details can be found in:
  npm ERR!     D:\npm-debug.log
  npm ERR! not ok code 0 
  </code></pre>