With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Seems the errors is due to the LiquidCrystal_I2C library, you can download it from https://github.com/fdebrabander/Arduino-LiquidCrys...Please use the ps2 library that is included in this instructable, and install the latest Arduino IDE tool from https://www.arduino.cc/en/main/software.Good luck and let me know if there's any quesiton! Thanks.
I have another project that would help you track the usage by weight. Check it out at http://www.thingiverse.com/thing:1935177. Thanks!
Conclusion & Going Further
Raspberry Pi Class
RC CONTROLLER WITH CAMERA
A Universal RFID Key
CNC Robot Plotter
NASA space shuttle model
Enable Auto Leveling for your 3D Printer with an inductive sensor (Marlin Firmware)
Motion Detection Over Wifi
Control your world with your Pi without programming
How to 3D Print House keys (Easier)
Web Browser Arduino Simulation
Switched Mode Dual Variable Power Supply
DIY- xESC Adapter [ATtiny version]
DIY- xESC Adapter For Surface Radios
Colour also can display the time Build a LED colour clock
Arduino Basic Tutorials - How to Control LEDs
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.