A 35BYJ46 stepper motor and ULN2003 driver are used to move the 3D ... for indicating once the tea is done brewing. The Gerber and Arduino code files are open-source for any hackers looking ...
Evertyhing is controlled by an Arduino Mega, acoompanied by a DS3231 RTC and eight ULN2003-based stepper motor drivers. [Hans] wrote a detailed assembly guide to go along with the STL files and ...