Everyone knows the linear barcodes present on almost all products in the shops. In recent years the new type of bar codes were introduced – the matrix codes (2D bar codes). Task is to work out a procedure for reading the matrix codes generated for 9-digit numbers (like phone numbers). The developed method deals with different lighting conditions, rotations and perspective distortions.
Arduino HVAC Servo Thermostat/Controller
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introArduino HVAC Servo Thermostat/Controller
Welcome to my 'green' instructable! I am going to show you how to use an
Arduino, two servo motors a temperatu...