We always look at the round LCDs and wonder what to do with them other than, of course, a clock. Well, [shabaz] had a great idea: use it as a star map display. The project combines the Arduino, a r… ...

This uses an analog input, measures at some frequency (currently set by the ADC divider) and plots the result. The points on the time axis are separated by a user-specified (compile time) distance, ...

Library for drawing geometric shapes (polygons, rectangles, triangles, circles) to the Seeed Studio TFT touch screen - rsk22/Arduino-TouchScreen-Geometry ...