# Chimera Doorlock > A Tessel powered RFID doorlock for the space, interfacing with Cobot Powered by a [Tessel][tessel] ## Development Follow the [start guide][start] on [Tessel.io][tessel]. Install the correct version of node using nvm: ```bash nvm install nvm use npm install ``` Now install `t2-cli` globally: ```bash npm install -g t2-cli ``` Plug your Tessel in. Now you can deploy to your connected Tessel device: ```bash npm start ``` ### Testing We use [Jest][jest] to do testing of the core code in the library. Make sure to write tests for new code or update tests on existing code as needed. Test files are next to their source file named with a `.test.js` extension. Run tests once: `npm test` Run tests watching for changes: `npm run watch-test` ### RFID Cards Read cards from Cobot: ### Useful Commands ```bash # Connect to WiFi t2 wifi -n network-name -p "some password" # List devices t2 list # Update Tessel t2 update # Deploy code t2 push index.js # Clear code t2 erase # Create access point and server t2 ap -n doorlock ``` ### USB Storage * Make sure to format USB to be FAT32! [jest]: https://facebook.github.io/jest [start]: http://tessel.github.io/t2-start [tessel]: http://tessel.io