The first steps were connecting the temperature sensor and RTC module to the screw shield ... In his garage, the Arduino and a set of relay systems connect to the circuits that control his ...

[RedruM69] recently ran into a system with a dead Real Time Clock (RTC) module. These modules were used on computers and all sorts of other equipment, storing time, date, and 100 or so bytes of ...

an RTC module, and GPS module together with an ATMega32U4 miniature Arduino-compatible board and an LCD display. The firmware is functional, but he admits it is not finished. All the project’s ...