a I2C switch to connect D0 and D1 for easy I2C interfacing
they also have a detailed tutorial showing you how to solder
This Raspberry Pi add-on is perfect for any motion project as it can drive up to 4 DC or 2 Stepper motors with full PWM speed control
Position Accuracy: < 3 meters (all GPS technology has about 3m accuracy)
plus nuts and bolts
RGB backlight positive LCD 16x2 + extras 2mb a I2C switch to connectThis is a fancy upgrade to standard 16x2 LCDs, instead of just having blue and white, or red and black, this LCD has black characters on a full color RGB backlight background! That means you can change the background color to anything you want red, green, blue, pink, white, purple yellow, teal, salmon, chartreuse, or just leave it off for a neutral background. This LCD is the most daylight readable character LCD we have and is very beautiful and easy